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Dr. Glenn D. Littenberg, MD

(Dr. Glenn David Littenberg, M.D.)

(5 Ratings)

Specializes in: Adult Hepatology and Adult Gastroenterology

University of Southern California (USC), Keck School of Medicine (1973)

630 S Raymond Avenue Suite 240
Pasadena, CA 91105

(626) 449-9920

Dr. Glenn D. Littenberg, MD is a hepatologist in Pasadena, CA specializing in adult hepatology and adult gastroenterology. He graduated from University of Southern California (USC), Keck School of Medicine in 1973 and has 53 years of experience. Dr. Glenn D. Littenberg, MD is affiliated with Genesis Healthcare and GENESIS HEALTHCARE PARTNERS PC.

Office Locations

630 S Raymond Avenue Suite 240
Pasadena, CA 91105

(626) 449-9920

(626) 578-7366

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In The News

“It typically takes less than an hour, with another hour spent taking the patient's history, administering anesthesia and monitoring their recovery, says Dr. Glenn Littenberg, a physician who...”—"He went in for a colonoscopy. His Chicago hospital charged $19,000 for two.", Chicago Sun-Times, January 2025

“It typically takes less than one hour, with another hour spent taking the patient s history, administering anesthesia, and monitoring their recovery, said Glenn Littenberg, a physician who recently...”—"He Went in for a Colonoscopy. The Hospital Charged $19,000 for Two. - KFF Health News", KFF Health News, December 2024

“It typically takes less than one hour, with another hour spent taking the patient's history, administering anesthesia, and monitoring their recovery, said Glenn Littenberg, a physician who recently...”—"He went in for a colonoscopy. The hospital charged $19,000 for two.", CBS News, December 2024

Noteworthy Medicare Patient Procedures Performed by Dr. Glenn D. Littenberg, MD in 2023

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

Top 5%

By Volume:

chronic care

By Affordability:

chronic care

In 2023, among providers in related specialties within California, Dr. Glenn D. Littenberg, MD performed more chronic care procedures for Medicare patients than 95% of them and he also had a list price for chronic care that was lower than the list prices billed to Medicare by 95% 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.

Top 25%

By Volume:

preventive care

screening colonoscopy

By Affordability:

diagnostic EGD

diagnostic EGD without biopsy

diagnostic upper endoscopy

EGD with biopsy

EGD with lesion removal

esophagogastroduodenoscopy

therapeutic EGD

therapeutic upper endoscopy

upper endoscopy

upper endoscopy with biopsy

upper endoscopy with lesion removal

In 2012, among providers in related specialties within California, Dr. Glenn D. Littenberg, MD performed more preventive care, and screening colonoscopy procedures for Medicare patients than 75% of them and he also had a list price for diagnostic EGD, diagnostic EGD without biopsy, diagnostic upper endoscopy, EGD with biopsy, EGD with lesion removal, esophagogastroduodenoscopy (EGD), therapeutic EGD, therapeutic upper endoscopy, upper endoscopy, upper endoscopy with biopsy, and upper endoscopy with lesion removal 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. Glenn D. Littenberg, MD treated as a hepatologist in Pasadena, CA during 2012 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Glenn D. Littenberg, MD for Medicare patients.

diagnostic procedures	109
doctor visit	338
gastrointestinal procedures	203
hospital care	192
inpatient care	192
minimally invasive procedures	203
preventive care	69
removal of lesion (e.g. growth)	109

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Glenn D. Littenberg, MD treated as a hepatologist in Pasadena, CA during 2013 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Glenn D. Littenberg, MD for Medicare patients.

diagnostic procedures	114
doctor visit	292
gastrointestinal procedures	203
hospital care	180
inpatient care	180
minimally invasive procedures	203
preventive care	68
removal of lesion (e.g. growth)	114

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Glenn D. Littenberg, MD.

**Gender**
Male	189
Female	278

**Ethnicity**
Non-Hispanic White	328
Black	24
Hispanic	57
Asian	44
Other	14
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	142
85 and over	82
Less than 65	33

Conditions of Medicare patients treated by Dr. Glenn D. Littenberg, MD in 2013

Hypertension	65
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	45
Depression	28
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	17
Atrial Fibrilation	13
Heart Failure	22
Chronic Obstructive Pulmonary Disease	17
Diabetes	30
Dementia	14
Cancer	17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Glenn D. Littenberg, MD treated as a hepatologist in Pasadena, CA during 2014 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Glenn D. Littenberg, MD for Medicare patients.

diagnostic procedures	145
doctor visit	237
gastrointestinal procedures	242
hospital care	201
inpatient care	201
minimally invasive procedures	254
preventive care	72
removal of lesion (e.g. growth)	145

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Glenn D. Littenberg, MD.

**Gender**
Male	195
Female	266

**Ethnicity**
Non-Hispanic White	314
Black	41
Hispanic	46
Asian	45
Other	15
Native American	0

**Age**
From 65 to 74	186
From 75 to 84	157
85 and over	86
Less than 65	32

Conditions of Medicare patients treated by Dr. Glenn D. Littenberg, MD in 2014

Hypertension	66
High Cholesterol	60
Stroke	7
Ischemic Heart Disease	43
Depression	27
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	24
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Dementia	15
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Glenn D. Littenberg, MD treated as a hepatologist in Pasadena, CA during 2015 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Glenn D. Littenberg, MD for Medicare patients.

diagnostic procedures	298
doctor visit	488
gastrointestinal procedures	443
hospital care	352
injections	13
inpatient care	352
minimally invasive procedures	443
preventive care	81
removal of lesion (e.g. growth)	298

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Glenn D. Littenberg, MD.

**Gender**
Male	558
Female	784

**Ethnicity**
Non-Hispanic White	884
Black	96
Hispanic	208
Asian	120
Other	34
Native American	0

**Age**
From 65 to 74	606
From 75 to 84	410
85 and over	216
Less than 65	110

Conditions of Medicare patients treated by Dr. Glenn D. Littenberg, MD in 2015

Hypertension	67
High Cholesterol	59
Stroke	7
Ischemic Heart Disease	41
Depression	27
Chronic Kidney Disease	31
Asthma	11
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	21
Chronic Obstructive Pulmonary Disease	15
Diabetes	32
Dementia	14
Cancer	17

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Glenn D. Littenberg, MD treated as a hepatologist in Pasadena, CA during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Glenn D. Littenberg, MD for Medicare patients.

diagnostic procedures	203
doctor visit	470
gastrointestinal procedures	309
hospital care	182
inpatient care	182
minimally invasive procedures	327
preventive care	76
removal of lesion (e.g. growth)	203

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Glenn D. Littenberg, MD.

**Gender**
Male	252
Female	384

**Ethnicity**
Non-Hispanic White	414
Black	47
Hispanic	86
Asian	64
Other	0
Native American	0

**Age**
From 65 to 74	298
From 75 to 84	185
85 and over	104
Less than 65	49

Conditions of Medicare patients treated by Dr. Glenn D. Littenberg, MD in 2016

Hypertension	67
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	36
Depression	23
Chronic Kidney Disease	34
Asthma	18
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	21
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Dementia	15
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Glenn D. Littenberg, MD treated as a hepatologist in Pasadena, CA during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Glenn D. Littenberg, MD for Medicare patients.

diagnostic procedures	119
doctor visit	295
gastrointestinal procedures	199
hospital care	81
inpatient care	81
minimally invasive procedures	214
preventive care	62
removal of lesion (e.g. growth)	119

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Glenn D. Littenberg, MD.

**Gender**
Male	191
Female	231

**Ethnicity**
Non-Hispanic White	298
Black	23
Hispanic	47
Asian	36
Other	0
Native American	0

**Age**
From 65 to 74	218
From 75 to 84	130
85 and over	52
Less than 65	22

Conditions of Medicare patients treated by Dr. Glenn D. Littenberg, MD in 2017

Hypertension	67
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	36
Depression	26
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	10
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Glenn D. Littenberg, MD treated as a hepatologist in Pasadena, CA during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Glenn D. Littenberg, MD for Medicare patients.

diagnostic procedures	109
doctor visit	329
gastrointestinal procedures	205
hospital care	65
inpatient care	65
liver imaging	21
minimally invasive procedures	220
preventive care	67
removal of lesion (e.g. growth)	109
ultrasound (sonogram)	21

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Glenn D. Littenberg, MD.

**Gender**
Male	188
Female	279

**Ethnicity**
Non-Hispanic White	312
Black	23
Hispanic	49
Asian	58
Other	0
Native American	0

**Age**
From 65 to 74	237
From 75 to 84	145
85 and over	56
Less than 65	29

Conditions of Medicare patients treated by Dr. Glenn D. Littenberg, MD in 2018

Hypertension	66
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	34
Depression	23
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	14
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Glenn D. Littenberg, MD treated as a hepatologist in Pasadena, CA during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Glenn D. Littenberg, MD for Medicare patients.

diagnostic procedures	86
doctor visit	417
gastrointestinal procedures	156
hospital care	69
inpatient care	69
liver imaging	69
minimally invasive procedures	156
preventive care	48
removal of lesion (e.g. growth)	86
ultrasound (sonogram)	69

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Glenn D. Littenberg, MD.

**Gender**
Male	226
Female	286

**Ethnicity**
Non-Hispanic White	329
Black	0
Hispanic	56
Asian	69
Other	30
Native American	0

**Age**
From 65 to 74	255
From 75 to 84	168
85 and over	53
Less than 65	36

Conditions of Medicare patients treated by Dr. Glenn D. Littenberg, MD in 2019

Hypertension	70
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	39
Depression	24
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	21
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	11
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Glenn D. Littenberg, MD treated as a hepatologist in Pasadena, CA during 2020 were minimally invasive procedures, gastrointestinal procedures, chronic care and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Glenn D. Littenberg, MD for Medicare patients.

chronic care	93
diagnostic procedures	77
doctor visit	367
gastrointestinal procedures	141
hospital care	28
inpatient care	28
liver imaging	38
minimally invasive procedures	141
preventive care	46
removal of lesion (e.g. growth)	77
ultrasound (sonogram)	38

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Glenn D. Littenberg, MD.

**Gender**
Male	174
Female	260

**Ethnicity**
Non-Hispanic White	285
Black	24
Hispanic	48
Asian	53
Other	24
Native American	0

**Age**
From 65 to 74	211
From 75 to 84	159
85 and over	39
Less than 65	25

Conditions of Medicare patients treated by Dr. Glenn D. Littenberg, MD in 2020

Hypertension	67
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	42
Depression	32
Chronic Kidney Disease	32
Asthma	11
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	10
Diabetes	29
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Glenn D. Littenberg, MD treated as a hepatologist in Pasadena, CA during 2021 were chronic care, minimally invasive procedures, gastrointestinal procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Glenn D. Littenberg, MD for Medicare patients.

abdominal imaging	15
chronic care	511
diagnostic procedures	107
doctor visit	454
gastrointestinal procedures	197
hospital care	80
inpatient care	80
liver imaging	47
minimally invasive procedures	197
preventive care	74
removal of lesion (e.g. growth)	107
ultrasound (sonogram)	62

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Glenn D. Littenberg, MD.

**Gender**
Male	233
Female	340

**Ethnicity**
Non-Hispanic White	385
Black	0
Hispanic	62
Asian	69
Other	30
Native American	0

**Age**
From 65 to 74	275
From 75 to 84	195
85 and over	71
Less than 65	32

Conditions of Medicare patients treated by Dr. Glenn D. Littenberg, MD in 2021

Hypertension	69
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	41
Depression	25
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	21
Chronic Obstructive Pulmonary Disease	10
Diabetes	34
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Glenn D. Littenberg, MD treated as a hepatologist in Pasadena, CA during 2022 were chronic care, minimally invasive procedures, gastrointestinal procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Glenn D. Littenberg, MD for Medicare patients.

chronic care	414
diagnostic procedures	100
doctor visit	395
gastrointestinal procedures	200
hospital care	32
inpatient care	32
liver imaging	37
minimally invasive procedures	200
preventive care	67
removal of lesion (e.g. growth)	100
ultrasound (sonogram)	37

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Glenn D. Littenberg, MD.

**Gender**
Male	200
Female	316

**Ethnicity**
Non-Hispanic White	327
Black	28
Hispanic	46
Asian	80
Other	35
Native American	0

**Age**
From 65 to 74	258
From 75 to 84	191
85 and over	39
Less than 65	28

Conditions of Medicare patients treated by Dr. Glenn D. Littenberg, MD in 2022

Hypertension	74
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	30
Depression	22
Chronic Kidney Disease	22
Asthma	9
Osteoperosis	17
Atrial Fibrilation	16
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	34
Dementia	5
Cancer	22

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Glenn D. Littenberg, MD for Medicare patients.

The highest averages for the top procedures that Dr. Glenn D. Littenberg, MD treated as a hepatologist in Pasadena, CA were chronic care, minimally invasive procedures, gastrointestinal procedures and removal of lesion (e.g. growth).

abdominal imaging	15
chronic care	339
diagnostic procedures	133
doctor visit	371
gastrointestinal procedures	227
hospital care	132
injections	13
inpatient care	132
liver imaging	42
minimally invasive procedures	232
preventive care	66
removal of lesion (e.g. growth)	133
ultrasound (sonogram)	45

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Glenn D. Littenberg, MD.

**Gender**
Male	218
Female	311

**Ethnicity**
Black / African American	27
Asian / Pacific Islander	58
Non-Hispanic White	352
Hispanic	64
Native American / Alaskan Native	0
Other	16

**Age**
75 to 84	171
85 and over	72
Less than 65	36
65 to 74	250

Average of Total of Conditions of Medicare patients treated by Dr. Glenn D. Littenberg, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Glenn D. Littenberg, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	61
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	35
Depression	23
Chronic Kidney Disease	26
Asthma	9
Osteoporosis	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Atrial Fibrillation	12
Cancer	14
Dementia	10

Education & Training

Dr. Glenn D. Littenberg, MD graduated from University of Southern California (USC), Keck School of Medicine in 1973. He has a state license in California.

Medical School: University of Southern California (USC), Keck School of Medicine (1973)

Licensed In: California

Affiliations & Hospitals

Dr. Glenn D. Littenberg, MD is associated with these hospitals and organizations:

Genesis Healthcare

GENESIS HEALTHCARE PARTNERS PC

Ratings & Reviews

Dr. Glenn D. Littenberg, MD has an average of 1.8 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Glenn D. Littenberg, MD from all over the web to help you find the right in Pasadena, CA.

1.8

Overall Rating

(5 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
AbbVie Inc.	$86,762 Skyrizi $23,068	Creon $19,637	Humira $17,498	Rinvoq $7,538	LINZESS $267	Other $18,754
AbbVie, Inc.	$70,366 Humira $33,120	Lupron $2,638	Creon $500	Mavyret $311	Viekira $228	Other $33,567
Boston Scientific Corporation	$45,097 GENERAL - THERAPIES $8,649	GENERAL - BIOPSY $6,615	GENERAL BIOPSY $4,500	METAL STENTS - G.I. $4,200	POLYPECTOMY $3,365	Other $17,768
Olympus Corporation	$10,951 EVIS EXERA $10,951
Olympus Corporation of the Americas	$9,169 Endoscopy Products $9,099	OER Pro Accessories $70
Other	$30,279 ELEVIEW $4,582	STELARA $3,162	REMICADE $2,162	ENTYVIO $2,086	XIFAXAN $1,958	Other $16,329

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$152,769
Consulting Fee	$53,864
Food and Beverage	$38,074
Travel and Lodging	$7,087
Honoraria	$700
Other	$130

Research Payments

Dr. Glenn D. Littenberg, MD has received 20 research payments totaling $142,199.

Biography

Dr. Glenn Littenberg works as an adult gastroenterology and adult hepatology. He studied medicine at the University of Southern California (USC), Keck School of Medicine. Patients gave Dr. Littenberg an average rating of 2.0 stars (out of 5). He has received professional recognition including the following: Southern California Super Doctors; Southern California Super Doctors 2008; and Los Angeles Super Doctors.