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Home > CA Providers > Gastroenterologists

Dr. Eugene Young Lee, MD

Accepting New Patients

(5 Ratings)

Specializes in: Gastroenterology (Digestive System)

New York University (NYU) School of Medicine

Professional interests include: anal cancer, gastrointestinal bleeding, irritable bowel syndrome (IBS), and more.

100 S Ellsworth Avenue Suite 507
San Mateo, CA 94401

(650) 342-7432

Dr. Eugene Young Lee, MD is a gastroenterologist in San Mateo, CA specializing in gastroenterology (digestive system). He graduated from New York University (NYU) School of Medicine. Dr. Eugene Young Lee, MD is affiliated with Dignity Health, Brown and Toland Physicians, Sutter Health, Mills-Peninsula Medical Center, Sequoia Hospital, Hill Physicians and PENINSULA GASTROINTESTINAL.

Office Locations

Hill Physicians

100 S Ellsworth Avenue Suite 507
San Mateo, CA 94401

(650) 342-7432

open_in_new

Some issues Dr. Eugene Young Lee, MD can help you with:

Colonoscopy

Colonoscopy is the use of a special tool called a colonoscope (a thin, flexible tube with a camera on the end) to examine the inside of the colon and rectum. The tube is typically inserted anally, and it allows the physician to examine the large intestine from the inside. It may be done at any time to diagnose bowel problems, but routine colonoscopies are advised after the age of 50 to screen for colon cancer.

A colonoscopy may be performed to diagnose:

Intestinal ulcers
Polyps
Bowel cancer
An unidentified source of pain or bleeding in the intestine

Patients may be asked to drink only liquids in the days before a colonoscopy, or they may be given an enema to remove residual fecal matter. Before the exam, patients are given medication to help them relax, and then lay on their side on a table. The scope is inserted into the anus and gently moved all the way through the large intestine. Air may be pumped into the intestine to improve the view for the physician. Any polyps that are found will be removed. Then the colonoscope will be withdrawn. A colonoscopy is not usually painful, but patients may feel some bloating or have some cramps right afterward. If patients have polyps removed, they might experience a small amount of bleeding. Any side effects should go away within a few hours.

Hemophilia

Hemophilia is a bleeding disorder in which blood cannot clot normally. After an injury, people who have hemophilia bleed longer because they lack certain blood proteins that are responsible for clotting, called clotting factors. Some hemophiliacs are mildly deficient in this protein, so they bleed only when injured or after surgery. Those who are severely deficient, however, may experience symptoms of spontaneous bleeding, including the following:

Presence of blood in stool or urine
Frequent nosebleeds or large bruises
Unusual bleeding after being vaccinated
Pain, swelling, or tightness in joint

Most people with hemophilia have a family history of the disorder, though about 30% do not. The most common forms are hemophilia A (classic hemophilia) and hemophilia B (Christmas disease). Hemophilia A and B share certain characteristics, but different genes are involved. Acquired hemophilia is very rare and has been linked to autoimmune conditions, cancer, and multiple sclerosis.

Hemophilia may be diagnosed using a blood test. If there is family history of the disorder, testing may be done prenatally. Treatment involves regular intravenous replacement of clotting factors, which may be produced in a laboratory (recombinant) or come from blood donors. For people with milder forms of the disease, a hormone called desmopressin may stimulate the body to produce clotting factors. Other drug therapies include medications that help slow the breakdown of blood clots and medications that are applied directly to the wound to promote clotting.

Living with hemophilia can be challenging, but simple things may help prevent excessive bleeding. For example, choosing activities like walking or swimming over contact sports can prevent injuries and strengthen muscles while protecting the joints. Chances for bleeding may also be reduced by making sure that children wear helmets and elbow pads during activities like bicycle rides.

Noteworthy Medicare Patient Procedures Performed by Dr. Eugene Young Lee, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 25%

By Volume:

colonoscopy with biopsy

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, among providers in related specialties within California, Dr. Eugene Young Lee, MD performed more colonoscopy with biopsy procedures for Medicare patients than 75% of them and he also had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Eugene Young Lee, MD treated as a gastroenterologist in San Mateo, CA during 2012 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Eugene Young Lee, MD for Medicare patients.

diagnostic procedures	238
doctor visit	345
gastrointestinal procedures	269
hospital care	178
inpatient care	178
minimally invasive procedures	269
preventive care	20
removal of lesion (e.g. growth)	238

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Eugene Young Lee, MD treated as a gastroenterologist in San Mateo, CA during 2013 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Eugene Young Lee, MD for Medicare patients.

diagnostic procedures	263
doctor visit	385
gastrointestinal procedures	290
hospital care	190
inpatient care	190
minimally invasive procedures	290
preventive care	27
removal of lesion (e.g. growth)	263

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Eugene Young Lee, MD.

**Gender**
Male	180
Female	188

**Ethnicity**
Non-Hispanic White	277
Black	0
Hispanic	22
Asian	51
Other	0
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	128
85 and over	70
Less than 65	16

Conditions of Medicare patients treated by Dr. Eugene Young Lee, MD in 2013

Hypertension	66
High Cholesterol	63
Stroke	7
Ischemic Heart Disease	31
Depression	16
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	21
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Eugene Young Lee, MD treated as a gastroenterologist in San Mateo, CA during 2014 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Eugene Young Lee, MD for Medicare patients.

diagnostic procedures	295
doctor visit	431
gastrointestinal procedures	342
hospital care	197
injections	14
inpatient care	197
minimally invasive procedures	342
preventive care	20
removal of lesion (e.g. growth)	295

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Eugene Young Lee, MD.

**Gender**
Male	183
Female	183

**Ethnicity**
Non-Hispanic White	278
Black	0
Hispanic	19
Asian	46
Other	0
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	131
85 and over	66
Less than 65	17

Conditions of Medicare patients treated by Dr. Eugene Young Lee, MD in 2014

Hypertension	66
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	29
Depression	19
Chronic Kidney Disease	26
Asthma	13
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	10
Diabetes	28
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Eugene Young Lee, MD treated as a gastroenterologist in San Mateo, CA during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Eugene Young Lee, MD for Medicare patients.

diagnostic procedures	321
doctor visit	452
gastrointestinal procedures	365
hospital care	180
inpatient care	180
minimally invasive procedures	365
preventive care	29
removal of lesion (e.g. growth)	321

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Eugene Young Lee, MD.

**Gender**
Male	378
Female	388

**Ethnicity**
Non-Hispanic White	566
Black	0
Hispanic	50
Asian	98
Other	0
Native American	0

**Age**
From 65 to 74	374
From 75 to 84	256
85 and over	110
Less than 65	26

Conditions of Medicare patients treated by Dr. Eugene Young Lee, MD in 2015

Hypertension	65
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	23
Depression	21
Chronic Kidney Disease	25
Asthma	12
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	9
Diabetes	27
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Eugene Young Lee, MD treated as a gastroenterologist in San Mateo, CA during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Eugene Young Lee, MD for Medicare patients.

diagnostic procedures	273
doctor visit	433
gastrointestinal procedures	322
hospital care	142
inpatient care	142
minimally invasive procedures	322
preventive care	28
removal of lesion (e.g. growth)	273

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Eugene Young Lee, MD.

**Gender**
Male	199
Female	180

**Ethnicity**
Non-Hispanic White	269
Black	18
Hispanic	28
Asian	47
Other	17
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	126
85 and over	50
Less than 65	19

Conditions of Medicare patients treated by Dr. Eugene Young Lee, MD in 2016

Hypertension	65
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	27
Depression	17
Chronic Kidney Disease	31
Asthma	17
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	28
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Eugene Young Lee, MD treated as a gastroenterologist in San Mateo, CA during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Eugene Young Lee, MD for Medicare patients.

diagnostic procedures	280
doctor visit	398
gastrointestinal procedures	309
hospital care	120
inpatient care	120
minimally invasive procedures	309
preventive care	17
removal of lesion (e.g. growth)	280

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Eugene Young Lee, MD.

**Gender**
Male	171
Female	165

**Ethnicity**
Non-Hispanic White	233
Black	12
Hispanic	26
Asian	52
Other	13
Native American	0

**Age**
From 65 to 74	159
From 75 to 84	120
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Eugene Young Lee, MD in 2017

Hypertension	71
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	26
Depression	17
Chronic Kidney Disease	30
Asthma	9
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Eugene Young Lee, MD treated as a gastroenterologist in San Mateo, CA during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Eugene Young Lee, MD for Medicare patients.

diagnostic procedures	303
doctor visit	415
gastrointestinal procedures	338
hospital care	157
inpatient care	157
minimally invasive procedures	338
preventive care	17
removal of lesion (e.g. growth)	303

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Eugene Young Lee, MD.

**Gender**
Male	199
Female	168

**Ethnicity**
Non-Hispanic White	251
Black	0
Hispanic	25
Asian	62
Other	0
Native American	0

**Age**
From 65 to 74	180
From 75 to 84	124
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Eugene Young Lee, MD in 2018

Hypertension	64
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	28
Depression	17
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	11
Diabetes	30
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Eugene Young Lee, MD treated as a gastroenterologist in San Mateo, CA during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Eugene Young Lee, MD for Medicare patients.

diagnostic procedures	273
doctor visit	388
gastrointestinal procedures	334
hospital care	261
inpatient care	261
minimally invasive procedures	334
preventive care	35
removal of lesion (e.g. growth)	273

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Eugene Young Lee, MD.

**Gender**
Male	196
Female	193

**Ethnicity**
Non-Hispanic White	278
Black	0
Hispanic	33
Asian	48
Other	19
Native American	0

**Age**
From 65 to 74	174
From 75 to 84	123
85 and over	80
Less than 65	12

Conditions of Medicare patients treated by Dr. Eugene Young Lee, MD in 2019

Hypertension	69
High Cholesterol	63
Stroke	7
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	36
Asthma	11
Osteoperosis	8
Atrial Fibrilation	18
Heart Failure	20
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	10
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Eugene Young Lee, MD treated as a gastroenterologist in San Mateo, CA during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Eugene Young Lee, MD for Medicare patients.

diagnostic procedures	234
doctor visit	310
gastrointestinal procedures	287
hospital care	175
inpatient care	175
minimally invasive procedures	287
preventive care	34
removal of lesion (e.g. growth)	234

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Eugene Young Lee, MD.

**Gender**
Male	166
Female	176

**Ethnicity**
Non-Hispanic White	229
Black	0
Hispanic	0
Asian	53
Other	28
Native American	0

**Age**
From 65 to 74	158
From 75 to 84	128
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Eugene Young Lee, MD in 2020

Hypertension	61
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	12
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	7
Diabetes	23
Dementia	9
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Eugene Young Lee, MD treated as a gastroenterologist in San Mateo, CA during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Eugene Young Lee, MD for Medicare patients.

diagnostic procedures	295
doctor visit	385
gastrointestinal procedures	346
hospital care	164
inpatient care	164
minimally invasive procedures	346
preventive care	34
removal of lesion (e.g. growth)	295

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Eugene Young Lee, MD.

**Gender**
Male	204
Female	217

**Ethnicity**
Non-Hispanic White	313
Black	0
Hispanic	0
Asian	55
Other	24
Native American	0

**Age**
From 65 to 74	197
From 75 to 84	155
85 and over	55
Less than 65	14

Conditions of Medicare patients treated by Dr. Eugene Young Lee, MD in 2021

Hypertension	63
High Cholesterol	64
Stroke	3
Ischemic Heart Disease	26
Depression	19
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	14
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	23
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Eugene Young Lee, MD treated as a gastroenterologist in San Mateo, CA during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Eugene Young Lee, MD for Medicare patients.

diagnostic procedures	290
doctor visit	327
gastrointestinal procedures	333
hospital care	131
inpatient care	131
minimally invasive procedures	333
preventive care	23
removal of lesion (e.g. growth)	290

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Eugene Young Lee, MD.

**Gender**
Male	197
Female	199

**Ethnicity**
Non-Hispanic White	277
Black	11
Hispanic	19
Asian	65
Other	24
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	161
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Eugene Young Lee, MD in 2022

Hypertension	74
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	21
Depression	15
Chronic Kidney Disease	28
Asthma	12
Osteoperosis	18
Atrial Fibrilation	17
Heart Failure	17
Chronic Obstructive Pulmonary Disease	10
Diabetes	23
Dementia	7
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Eugene Young Lee, MD for Medicare patients.

The highest averages for the top procedures that Dr. Eugene Young Lee, MD treated as a gastroenterologist in San Mateo, CA were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

diagnostic procedures	278
doctor visit	388
gastrointestinal procedures	321
hospital care	172
injections	14
inpatient care	172
minimally invasive procedures	321
preventive care	25
removal of lesion (e.g. growth)	278

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Eugene Young Lee, MD.

**Gender**
Male	188
Female	187

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	52
Non-Hispanic White	270
Native American / Alaskan Native	0
Hispanic	20
Other	11

**Age**
75 to 84	132
85 and over	39
Less than 65	9
65 to 74	173

Average of Total of Conditions of Medicare patients treated by Dr. Eugene Young Lee, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Eugene Young Lee, MD treated were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	60
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	24
Depression	16
Chronic Kidney Disease	26
Asthma	9
Osteoporosis	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Atrial Fibrillation	12
Dementia	8
Cancer	13

Education & Training

Dr. Eugene Young Lee, MD graduated from New York University (NYU) School of Medicine. He completed residency at Strong Memorial Hospital. He is certified by the Internal Medicine (Sub: Gastroenterology) and has a state license in California.

Medical School: New York University (NYU) School of Medicine

Residency: Strong Memorial Hospital

Board Certification: Internal Medicine (Sub: Gastroenterology)

Licensed In: California

Affiliations & Hospitals

Dr. Eugene Young Lee, MD is associated with these hospitals and organizations:

Dignity Health

Brown and Toland Physicians

Sutter Health

Mills-Peninsula Medical Center

Sequoia Hospital

Hill Physicians

PENINSULA GASTROINTESTINAL

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Eugene Young Lee, MD appears to accept the following insurance providers: Cigna, Aetna, Anthem Blue Cross of California, Blue Shield of California, UnitedHealthcare, Anthem, Medicare Advantage, United Healthcare, Health Net, Accepted Aetna Plans: Aetna Value Network HMO (AVN), Central Health Plan, Accepted Sutter Health Plan Plans: Individual and Family Plan HMO: Large and Small Group HMO, CCHP Health Plan (Chinese Community Health Plan), Canopy Health and Accepted Health Net Plans: ELECT Open Access POS, Large and Small Group: ELECT POS, Large and Small Group: Health Net HMO: Large Group (101+ employees) & Small Group (2-100 employees): Health Net....

Insurance Accepted by Provider includes:

According to our sources, Dr. Eugene Young Lee, MD accepts the following insurance providers:

Cigna

Aetna

Anthem Blue Cross of California

Blue Shield of California

UnitedHealthcare

Anthem

Medicare Advantage

United Healthcare

Health Net

Accepted Aetna Plans: Aetna Value Network HMO (AVN)

Central Health Plan

Accepted Sutter Health Plan Plans: Individual and Family Plan HMO: Large and Small Group HMO

CCHP Health Plan (Chinese Community Health Plan)

Canopy Health

Accepted Health Net Plans: ELECT Open Access POS, Large and Small Group: ELECT POS, Large and Small Group: Health Net HMO: Large Group (101+ employees) & Small Group (2-100 employees): Health Net...

Ratings & Reviews

Dr. Eugene Young Lee, MD has a good overall rating with an average of 3.4 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Eugene Young Lee, MD from all over the web to help you find the right in San Mateo, CA.

3.4

Overall Rating

(5 Ratings)

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General Payments

These charts describe general payments received by Dr. Eugene Young Lee, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AbbVie Inc.	$777 Humira $301	Rinvoq $120	Skyrizi $110	Creon $99	LINZESS $66	Other $82
Otsuka America Pharmaceutical, Inc.	$171 ABILIFY TABLET $171
Takeda Pharmaceuticals U.S.A., Inc.	$156 ENTYVIO $141	MOTEGRITY $14
Actavis Pharma Inc	$154 SAPHRIS $104	NAMENDA XR $30	NAMZARIC $20
Nestle HealthCare Nutrition Inc.	$130 ZENPEP $130
Other	$803 STELARA $158	Cysview $103	CLENPIQ $37	Humira $31	DUPIXENT $29	Other $446

**Types of Payments**
Food and Beverage	$2,113
Education	$78

Biography

Dr. Eugene Lee is a physician who specializes in gastroenterology (digestive system). Dr. Lee (or staff) speaks the following foreign languages: Spanish and Korean. These areas are among his clinical interests: portal hypertension, esophageal varices, and colon cancer. Dr. Lee's professional affiliations include Mills-Peninsula Medical Center, Sequoia Hospital, and Brown and Toland Physicians. Dr. Lee graduated from New York University (NYU) School of Medicine and then he performed his residency at Strong Memorial Hospital. He has received a 3.5 out of 5 star rating by his patients. He accepts Blue Shield, Health Net, and Anthem, in addition to other insurance carriers. He welcomes new patients at his office inSan Mateo, CA as reported by Hill Physicians.