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Dr. An-Yu Chen, MD

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Specializes in: Adult Gastroenterology

Northeast Ohio Medical University (1985)

1225 S.broadway Suite 201
Lexington, KY 40504

(859) 258-4950

Dr. An-Yu Chen, MD is a gastroenterologist in Lexington, KY specializing in adult gastroenterology. He graduated from Northeast Ohio Medical University in 1985 and has 41 years of experience. Dr. An-Yu Chen, MD is affiliated with NEW LEXINGTON CLINIC PSC.

Office Locations

1225 S.broadway Suite 201
Lexington, KY 40504

(859) 258-4950

(859) 258-4618

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858 Eastern Bypass
Richmond, KY 40475

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Noteworthy Medicare Patient Procedures Performed by Dr. An-Yu Chen, MD in 2023

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

Top 5%

By Volume:

colonoscopy

preventive care

screening colonoscopy

In 2023, Dr. An-Yu Chen, MD performed more colonoscopy, preventive care, and screening colonoscopy procedures for Medicare patients than 95% of providers in related specialties within Kentucky.

Top 10%

By Volume:

colonoscopy with biopsy

colonoscopy with lesion removal

endoscopy

esophageal dilation

gastrointestinal procedures

In 2023, Dr. An-Yu Chen, MD performed more colonoscopy with biopsy, colonoscopy with lesion removal, endoscopy, esophageal dilation, and gastrointestinal procedures procedures for Medicare patients than 90% of providers in related specialties within Kentucky.

Top 25%

By Volume:

diagnostic EGD

gastrointestinal biopsy

removal of lesion

In 2012, Dr. An-Yu Chen, MD performed more diagnostic EGD, gastrointestinal biopsy, and removal of lesion (e.g. growth) procedures for Medicare patients than 75% of providers in related specialties within Kentucky.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. An-Yu Chen, MD treated as a gastroenterologist in Lexington, KY during 2012 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. An-Yu Chen, MD for Medicare patients.

balloon dilation	43
diagnostic procedures	288
doctor visit	248
esophageal dilation	78
gastrointestinal procedures	643
hospital care	374
inpatient care	374
minimally invasive procedures	657
preventive care	230
removal of lesion (e.g. growth)	288

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. An-Yu Chen, MD treated as a gastroenterologist in Lexington, KY during 2013 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. An-Yu Chen, MD for Medicare patients.

anastomosis	16
balloon dilation	32
catheterization	16
diagnostic procedures	293
doctor visit	199
esophageal dilation	60
gastrointestinal procedures	711
hospital care	556
inpatient care	556
minimally invasive procedures	725
preventive care	244
removal of lesion (e.g. growth)	293

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. An-Yu Chen, MD.

**Gender**
Male	322
Female	452

**Ethnicity**
Non-Hispanic White	712
Black	45
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	350
From 75 to 84	223
85 and over	84
Less than 65	117

Conditions of Medicare patients treated by Dr. An-Yu Chen, MD in 2013

Hypertension	74
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	38
Depression	25
Chronic Kidney Disease	26
Asthma	6
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	23
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. An-Yu Chen, MD treated as a gastroenterologist in Lexington, KY during 2014 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. An-Yu Chen, MD for Medicare patients.

balloon dilation	32
diagnostic procedures	302
doctor visit	220
esophageal dilation	92
gastrointestinal procedures	637
minimally invasive procedures	661
preventive care	236
removal of lesion (e.g. growth)	302

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. An-Yu Chen, MD.

**Gender**
Male	272
Female	358

**Ethnicity**
Non-Hispanic White	558
Black	55
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	322
From 75 to 84	165
85 and over	59
Less than 65	84

Conditions of Medicare patients treated by Dr. An-Yu Chen, MD in 2014

Hypertension	69
High Cholesterol	62
Stroke	3
Ischemic Heart Disease	31
Depression	21
Chronic Kidney Disease	17
Asthma	7
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	34
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. An-Yu Chen, MD treated as a gastroenterologist in Lexington, KY during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. An-Yu Chen, MD for Medicare patients.

balloon dilation	36
diagnostic procedures	328
doctor visit	207
esophageal dilation	87
gastrointestinal procedures	616
minimally invasive procedures	633
preventive care	198
removal of lesion (e.g. growth)	328

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. An-Yu Chen, MD.

**Gender**
Male	506
Female	660

**Ethnicity**
Non-Hispanic White	1066
Black	72
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	642
From 75 to 84	334
85 and over	60
Less than 65	130

Conditions of Medicare patients treated by Dr. An-Yu Chen, MD in 2015

Hypertension	68
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	32
Depression	21
Chronic Kidney Disease	18
Asthma	11
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Dementia	4
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. An-Yu Chen, MD treated as a gastroenterologist in Lexington, KY during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. An-Yu Chen, MD for Medicare patients.

balloon dilation	31
diagnostic procedures	339
doctor visit	227
esophageal dilation	108
gastrointestinal procedures	645
minimally invasive procedures	663
preventive care	201
removal of lesion (e.g. growth)	339

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. An-Yu Chen, MD.

**Gender**
Male	264
Female	340

**Ethnicity**
Non-Hispanic White	550
Black	36
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	319
From 75 to 84	177
85 and over	34
Less than 65	74

Conditions of Medicare patients treated by Dr. An-Yu Chen, MD in 2016

Hypertension	66
High Cholesterol	61
Stroke	3
Ischemic Heart Disease	30
Depression	21
Chronic Kidney Disease	25
Asthma	16
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	11
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. An-Yu Chen, MD treated as a gastroenterologist in Lexington, KY during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. An-Yu Chen, MD for Medicare patients.

balloon dilation	36
diagnostic procedures	300
doctor visit	204
esophageal dilation	113
gastrointestinal procedures	660
minimally invasive procedures	674
preventive care	248
removal of lesion (e.g. growth)	300

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. An-Yu Chen, MD.

**Gender**
Male	296
Female	359

**Ethnicity**
Non-Hispanic White	595
Black	39
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	360
From 75 to 84	192
85 and over	34
Less than 65	69

Conditions of Medicare patients treated by Dr. An-Yu Chen, MD in 2017

Hypertension	69
High Cholesterol	61
Stroke	3
Ischemic Heart Disease	29
Depression	22
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	33
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. An-Yu Chen, MD treated as a gastroenterologist in Lexington, KY during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. An-Yu Chen, MD for Medicare patients.

balloon dilation	26
diagnostic procedures	396
doctor visit	204
esophageal dilation	102
gastrointestinal procedures	777
minimally invasive procedures	790
preventive care	284
removal of lesion (e.g. growth)	396

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. An-Yu Chen, MD.

**Gender**
Male	329
Female	400

**Ethnicity**
Non-Hispanic White	653
Black	48
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	416
From 75 to 84	213
85 and over	25
Less than 65	75

Conditions of Medicare patients treated by Dr. An-Yu Chen, MD in 2018

Hypertension	71
High Cholesterol	62
Stroke	3
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. An-Yu Chen, MD treated as a gastroenterologist in Lexington, KY during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. An-Yu Chen, MD for Medicare patients.

balloon dilation	14
diagnostic procedures	383
doctor visit	213
esophageal dilation	105
gastrointestinal procedures	660
minimally invasive procedures	673
preventive care	193
removal of lesion (e.g. growth)	383

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. An-Yu Chen, MD.

**Gender**
Male	286
Female	335

**Ethnicity**
Non-Hispanic White	564
Black	30
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	338
From 75 to 84	200
85 and over	29
Less than 65	54

Conditions of Medicare patients treated by Dr. An-Yu Chen, MD in 2019

Hypertension	68
High Cholesterol	62
Stroke	3
Ischemic Heart Disease	29
Depression	21
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	34
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. An-Yu Chen, MD treated as a gastroenterologist in Lexington, KY during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. An-Yu Chen, MD for Medicare patients.

diagnostic procedures	282
doctor visit	256
esophageal dilation	66
gastrointestinal procedures	455
minimally invasive procedures	466
preventive care	123
removal of lesion (e.g. growth)	282

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. An-Yu Chen, MD.

**Gender**
Male	216
Female	264

**Ethnicity**
Non-Hispanic White	437
Black	29
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	274
From 75 to 84	142
85 and over	26
Less than 65	38

Conditions of Medicare patients treated by Dr. An-Yu Chen, MD in 2020

Hypertension	65
High Cholesterol	59
Stroke	3
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	27
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. An-Yu Chen, MD treated as a gastroenterologist in Lexington, KY during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. An-Yu Chen, MD for Medicare patients.

balloon dilation	11
diagnostic procedures	347
doctor visit	269
esophageal dilation	104
gastrointestinal procedures	584
minimally invasive procedures	603
preventive care	178
removal of lesion (e.g. growth)	347

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. An-Yu Chen, MD.

**Gender**
Male	264
Female	296

**Ethnicity**
Non-Hispanic White	514
Black	25
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	300
From 75 to 84	186
85 and over	33
Less than 65	41

Conditions of Medicare patients treated by Dr. An-Yu Chen, MD in 2021

Hypertension	71
High Cholesterol	64
Stroke	3
Ischemic Heart Disease	25
Depression	17
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	29
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. An-Yu Chen, MD treated as a gastroenterologist in Lexington, KY during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. An-Yu Chen, MD for Medicare patients.

balloon dilation	14
diagnostic procedures	352
doctor visit	181
esophageal dilation	90
gastrointestinal procedures	602
minimally invasive procedures	602
preventive care	182
removal of lesion (e.g. growth)	352

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. An-Yu Chen, MD.

**Gender**
Male	263
Female	294

**Ethnicity**
Non-Hispanic White	500
Black	30
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	308
From 75 to 84	194
85 and over	28
Less than 65	27

Conditions of Medicare patients treated by Dr. An-Yu Chen, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	20
Depression	13
Chronic Kidney Disease	15
Asthma	10
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	6
Chronic Obstructive Pulmonary Disease	12
Diabetes	27
Dementia	4
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. An-Yu Chen, MD for Medicare patients.

The highest averages for the top procedures that Dr. An-Yu Chen, MD treated as a gastroenterologist in Lexington, KY were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

anastomosis	16
balloon dilation	27
catheterization	16
diagnostic procedures	328
doctor visit	220
esophageal dilation	91
gastrointestinal procedures	635
hospital care	465
inpatient care	465
minimally invasive procedures	649
preventive care	210
removal of lesion (e.g. growth)	328

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. An-Yu Chen, MD.

**Gender**
Male	274
Female	341

**Ethnicity**
Black / African American	37
Asian / Pacific Islander	0
Non-Hispanic White	559
Hispanic	0
Native American / Alaskan Native	0
Other	3

**Age**
75 to 84	184
85 and over	37
Less than 65	64
65 to 74	329

Average of Total of Conditions of Medicare patients treated by Dr. An-Yu Chen, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. An-Yu Chen, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	63
High Cholesterol	57
Stroke	3
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	20
Asthma	7
Osteoporosis	6
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Atrial Fibrillation	10
Cancer	10
Dementia	6

Education & Training

Dr. An-Yu Chen, MD graduated from Northeast Ohio Medical University in 1985. He has a state license in Kentucky.

Medical School: Northeast Ohio Medical University (1985)

Licensed In: Kentucky

Affiliations & Hospitals

Dr. An-Yu Chen, MD is associated with these hospitals and organizations:

NEW LEXINGTON CLINIC PSC

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General Payments

These charts describe general payments received by Dr. An-Yu Chen, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AbbVie Inc.	$3,313 Skyrizi $794	Creon $673	Humira $604	Rinvoq $589	LINZESS $380	Other $273
AbbVie, Inc.	$3,268 Viekira $1,152	Humira $920	Creon $684	Mavyret $190	Moderiba $39	Other $282
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$3,161 XIFAXAN $2,233	Trulance $532	Relistor $175	Uceris $121	XIFAXANIBSD $25	Other $76
Janssen Biotech, Inc.	$2,263 SIMPONI $1,220	STELARA $903	OLYSIO $70	SIMPONI ARIA $41	REMICADE $29
Takeda Pharmaceuticals U.S.A., Inc.	$1,513 ENTYVIO $1,039	MOTEGRITY $214	Dexilant $69	GATTEX $68	AMITIZA $63	Other $61
Other	$17,137 LINZESS $931	Cimzia $756	ENTYVIO $754	ZEPOSIA $652	Uceris $536	Other $13,509