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Dr. Stephen Ac Parnell, MD

(5 Ratings)

Specializes in: Adult Gastroenterology

501 E. Hardy Street Suite 430
Inglewood, CA 90301

(301) 671-7010

Dr. Stephen Ac Parnell, MD is a gastroenterologist in Inglewood, CA specializing in adult gastroenterology. Dr. Stephen Ac Parnell, MD is affiliated with Cedars-Sinai and Centinela Hospital Medical Center.

Office Locations

Centinela Hospital Medical Center

501 E. Hardy Street Suite 430
Inglewood, CA 90301

(310) 671-7010

(310) 330-8638

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Noteworthy Medicare Patient Procedures Performed by Dr. Stephen Ac Parnell, MD in 2023

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

Top 5%

By Volume:

inpatient hospital care

In 2023, Dr. Stephen Ac Parnell, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 95% of providers in related specialties within California.

Top 10%

By Affordability:

diagnostic EGD

diagnostic upper endoscopy

EGD with biopsy

EGD with lesion removal

esophagogastroduodenoscopy

hospital care

inpatient care

inpatient hospital care

therapeutic EGD

therapeutic upper endoscopy

upper endoscopy

upper endoscopy with biopsy

upper endoscopy with lesion removal

In 2023, Dr. Stephen Ac Parnell, MD had a list price for diagnostic EGD, diagnostic upper endoscopy, EGD with biopsy, EGD with lesion removal, esophagogastroduodenoscopy (EGD), hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), 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 90% of providers in related specialties within California. 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:

balloon dilation

EGD with dilation

EGD with esophageal dilation

endoscopic esophageal dilation

esophageal balloon dilation

upper endoscopy with dilation

upper endoscopy with esophageal dilation

In 2012, among providers in related specialties within California, Dr. Stephen Ac Parnell, MD performed more preventive care, and screening colonoscopy procedures for Medicare patients than 75% of them and he also had a list price for balloon dilation, EGD with dilation, EGD with esophageal dilation, endoscopic esophageal dilation, esophageal balloon dilation, upper endoscopy with dilation, and upper endoscopy with esophageal dilation 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. Stephen Ac Parnell, MD treated as a gastroenterologist in Inglewood, CA during 2012 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Stephen Ac Parnell, MD for Medicare patients.

anastomosis	69
balloon dilation	31
catheterization	69
diagnostic procedures	410
doctor visit	1131
esophageal dilation	31
gastrointestinal procedures	657
hospital care	1548
inpatient care	1548
minimally invasive procedures	657
preventive care	153
removal of lesion (e.g. growth)	379

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Stephen Ac Parnell, MD treated as a gastroenterologist in Inglewood, CA during 2013 were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Stephen Ac Parnell, MD for Medicare patients.

anastomosis	57
catheterization	57
diagnostic procedures	422
doctor visit	1086
gastrointestinal procedures	617
hospital care	1384
inpatient care	1384
minimally invasive procedures	605
preventive care	138
removal of lesion (e.g. growth)	393

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen Ac Parnell, MD.

**Gender**
Male	398
Female	607

**Ethnicity**
Non-Hispanic White	137
Black	704
Hispanic	143
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	352
From 75 to 84	294
85 and over	149
Less than 65	210

Conditions of Medicare patients treated by Dr. Stephen Ac Parnell, MD in 2013

Hypertension	75
High Cholesterol	63
Stroke	12
Ischemic Heart Disease	55
Depression	21
Chronic Kidney Disease	48
Asthma	15
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	41
Chronic Obstructive Pulmonary Disease	34
Diabetes	56
Dementia	21
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Stephen Ac Parnell, MD treated as a gastroenterologist in Inglewood, CA during 2014 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Stephen Ac Parnell, MD for Medicare patients.

anastomosis	57
balloon dilation	12
catheterization	57
diagnostic procedures	424
doctor visit	1037
esophageal dilation	12
gastrointestinal procedures	576
hospital care	1183
inpatient care	1183
minimally invasive procedures	576
preventive care	113
removal of lesion (e.g. growth)	394

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen Ac Parnell, MD.

**Gender**
Male	343
Female	599

**Ethnicity**
Non-Hispanic White	136
Black	682
Hispanic	102
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	359
From 75 to 84	257
85 and over	131
Less than 65	195

Conditions of Medicare patients treated by Dr. Stephen Ac Parnell, MD in 2014

Hypertension	75
High Cholesterol	64
Stroke	11
Ischemic Heart Disease	53
Depression	22
Chronic Kidney Disease	45
Asthma	16
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	40
Chronic Obstructive Pulmonary Disease	33
Diabetes	54
Dementia	20
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Stephen Ac Parnell, MD treated as a gastroenterologist in Inglewood, CA during 2015 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Stephen Ac Parnell, MD for Medicare patients.

anastomosis	55
catheterization	55
diagnostic procedures	362
doctor visit	1049
gastrointestinal procedures	517
hospital care	1248
inpatient care	1248
minimally invasive procedures	517
preventive care	111
removal of lesion (e.g. growth)	351

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen Ac Parnell, MD.

**Gender**
Male	686
Female	1198

**Ethnicity**
Non-Hispanic White	228
Black	1400
Hispanic	206
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	718
From 75 to 84	532
85 and over	260
Less than 65	374

Conditions of Medicare patients treated by Dr. Stephen Ac Parnell, MD in 2015

Hypertension	75
High Cholesterol	64
Stroke	11
Ischemic Heart Disease	56
Depression	23
Chronic Kidney Disease	49
Asthma	24
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	40
Chronic Obstructive Pulmonary Disease	36
Diabetes	54
Dementia	22
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Stephen Ac Parnell, MD treated as a gastroenterologist in Inglewood, CA during 2016 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Stephen Ac Parnell, MD for Medicare patients.

anastomosis	35
balloon dilation	20
catheterization	35
diagnostic procedures	446
doctor visit	1084
esophageal dilation	20
gastrointestinal procedures	607
hospital care	1707
inpatient care	1707
minimally invasive procedures	607
preventive care	130
removal of lesion (e.g. growth)	422

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen Ac Parnell, MD.

**Gender**
Male	381
Female	641

**Ethnicity**
Non-Hispanic White	146
Black	713
Hispanic	138
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	362
From 75 to 84	319
85 and over	148
Less than 65	193

Conditions of Medicare patients treated by Dr. Stephen Ac Parnell, MD in 2016

Hypertension	75
High Cholesterol	60
Stroke	11
Ischemic Heart Disease	56
Depression	24
Chronic Kidney Disease	52
Asthma	38
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	45
Chronic Obstructive Pulmonary Disease	33
Diabetes	54
Dementia	24
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Stephen Ac Parnell, MD treated as a gastroenterologist in Inglewood, CA during 2017 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Stephen Ac Parnell, MD for Medicare patients.

anastomosis	53
balloon dilation	20
catheterization	53
diagnostic procedures	484
doctor visit	1042
esophageal dilation	20
gastrointestinal procedures	653
hospital care	1607
inpatient care	1607
minimally invasive procedures	653
preventive care	136
removal of lesion (e.g. growth)	444

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen Ac Parnell, MD.

**Gender**
Male	416
Female	626

**Ethnicity**
Non-Hispanic White	145
Black	724
Hispanic	133
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	401
From 75 to 84	290
85 and over	172
Less than 65	179

Conditions of Medicare patients treated by Dr. Stephen Ac Parnell, MD in 2017

Hypertension	75
High Cholesterol	62
Stroke	11
Ischemic Heart Disease	56
Depression	27
Chronic Kidney Disease	55
Asthma	14
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	46
Chronic Obstructive Pulmonary Disease	37
Diabetes	56
Dementia	26
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Stephen Ac Parnell, MD treated as a gastroenterologist in Inglewood, CA during 2018 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Stephen Ac Parnell, MD for Medicare patients.

anastomosis	64
balloon dilation	12
catheterization	64
diagnostic procedures	417
doctor visit	1054
esophageal dilation	12
gastrointestinal procedures	584
hospital care	1898
inpatient care	1898
minimally invasive procedures	584
preventive care	129
removal of lesion (e.g. growth)	379

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen Ac Parnell, MD.

**Gender**
Male	438
Female	638

**Ethnicity**
Non-Hispanic White	149
Black	738
Hispanic	157
Asian	20
Other	0
Native American	0

**Age**
From 65 to 74	402
From 75 to 84	294
85 and over	168
Less than 65	212

Conditions of Medicare patients treated by Dr. Stephen Ac Parnell, MD in 2018

Hypertension	75
High Cholesterol	68
Stroke	13
Ischemic Heart Disease	59
Depression	26
Chronic Kidney Disease	58
Asthma	14
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	49
Chronic Obstructive Pulmonary Disease	39
Diabetes	61
Dementia	28
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Stephen Ac Parnell, MD treated as a gastroenterologist in Inglewood, CA during 2019 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Stephen Ac Parnell, MD for Medicare patients.

anastomosis	37
balloon dilation	13
catheterization	37
diagnostic procedures	306
doctor visit	910
esophageal dilation	13
gastrointestinal procedures	493
hospital care	1375
inpatient care	1375
minimally invasive procedures	493
preventive care	137
removal of lesion (e.g. growth)	306

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen Ac Parnell, MD.

**Gender**
Male	399
Female	546

**Ethnicity**
Non-Hispanic White	125
Black	666
Hispanic	121
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	373
From 75 to 84	254
85 and over	153
Less than 65	165

Conditions of Medicare patients treated by Dr. Stephen Ac Parnell, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	13
Ischemic Heart Disease	58
Depression	28
Chronic Kidney Disease	60
Asthma	12
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	49
Chronic Obstructive Pulmonary Disease	37
Diabetes	59
Dementia	26
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Stephen Ac Parnell, MD treated as a gastroenterologist in Inglewood, CA during 2020 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Stephen Ac Parnell, MD for Medicare patients.

anastomosis	20
balloon dilation	15
catheterization	20
diagnostic procedures	249
doctor visit	1051
esophageal dilation	15
gastrointestinal procedures	378
hospital care	1418
inpatient care	1418
minimally invasive procedures	378
preventive care	94
removal of lesion (e.g. growth)	249

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen Ac Parnell, MD.

**Gender**
Male	324
Female	478

**Ethnicity**
Non-Hispanic White	95
Black	567
Hispanic	104
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	363
From 75 to 84	208
85 and over	102
Less than 65	129

Conditions of Medicare patients treated by Dr. Stephen Ac Parnell, MD in 2020

Hypertension	75
High Cholesterol	67
Stroke	14
Ischemic Heart Disease	59
Depression	25
Chronic Kidney Disease	58
Asthma	12
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	49
Chronic Obstructive Pulmonary Disease	34
Diabetes	57
Dementia	27
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Stephen Ac Parnell, MD treated as a gastroenterologist in Inglewood, CA during 2021 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Stephen Ac Parnell, MD for Medicare patients.

anastomosis	13
balloon dilation	11
catheterization	13
diagnostic procedures	231
doctor visit	1006
esophageal dilation	11
gastrointestinal procedures	383
hospital care	1208
inpatient care	1208
minimally invasive procedures	383
preventive care	128
removal of lesion (e.g. growth)	231

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen Ac Parnell, MD.

**Gender**
Male	316
Female	482

**Ethnicity**
Non-Hispanic White	101
Black	540
Hispanic	118
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	347
From 75 to 84	215
85 and over	105
Less than 65	131

Conditions of Medicare patients treated by Dr. Stephen Ac Parnell, MD in 2021

Hypertension	75
High Cholesterol	68
Stroke	13
Ischemic Heart Disease	53
Depression	26
Chronic Kidney Disease	54
Asthma	13
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	43
Chronic Obstructive Pulmonary Disease	29
Diabetes	55
Dementia	22
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Stephen Ac Parnell, MD treated as a gastroenterologist in Inglewood, CA during 2022 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Stephen Ac Parnell, MD for Medicare patients.

balloon dilation	12
diagnostic procedures	207
doctor visit	865
esophageal dilation	12
gastrointestinal procedures	358
hospital care	1124
inpatient care	1124
minimally invasive procedures	358
preventive care	139
removal of lesion (e.g. growth)	207

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen Ac Parnell, MD.

**Gender**
Male	298
Female	462

**Ethnicity**
Non-Hispanic White	117
Black	493
Hispanic	127
Asian	12
Other	11
Native American	0

**Age**
From 65 to 74	363
From 75 to 84	209
85 and over	79
Less than 65	109

Conditions of Medicare patients treated by Dr. Stephen Ac Parnell, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	42
Depression	22
Chronic Kidney Disease	36
Asthma	16
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	36
Chronic Obstructive Pulmonary Disease	34
Diabetes	53
Dementia	17
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Stephen Ac Parnell, MD treated as a gastroenterologist in Inglewood, CA during 2023 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Stephen Ac Parnell, MD for Medicare patients.

balloon dilation	14
diagnostic procedures	183
doctor visit	736
esophageal dilation	14
gastrointestinal procedures	279
hospital care	903
inpatient care	903
minimally invasive procedures	279
preventive care	82
removal of lesion (e.g. growth)	183

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen Ac Parnell, MD.

**Gender**
Male	273
Female	429

**Ethnicity**
Non-Hispanic White	113
Black	432
Hispanic	126
Asian	17
Other	14
Native American	0

**Age**
From 65 to 74	311
From 75 to 84	208
85 and over	80
Less than 65	103

Conditions of Medicare patients treated by Dr. Stephen Ac Parnell, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	42
Depression	25
Chronic Kidney Disease	35
Asthma	17
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	38
Chronic Obstructive Pulmonary Disease	35
Diabetes	56
Dementia	19
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Stephen Ac Parnell, MD for Medicare patients.

The highest averages for the top procedures that Dr. Stephen Ac Parnell, MD treated as a gastroenterologist in Inglewood, CA were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

anastomosis	46
balloon dilation	16
catheterization	46
diagnostic procedures	345
doctor visit	1004
esophageal dilation	16
gastrointestinal procedures	508
hospital care	1383
inpatient care	1383
minimally invasive procedures	507
preventive care	124
removal of lesion (e.g. growth)	328

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Stephen Ac Parnell, MD.

**Gender**
Male	356
Female	558

**Ethnicity**
Black / African American	638
Asian / Pacific Islander	10
Non-Hispanic White	124
Hispanic	122
Native American / Alaskan Native	0
Other	5

**Age**
75 to 84	256
85 and over	128
Less than 65	166
65 to 74	362

Average of Total of Conditions of Medicare patients treated by Dr. Stephen Ac Parnell, MD From 2012 - 2023

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

Hypertension	68
High Cholesterol	61
Stroke	12
Ischemic Heart Disease	49
Depression	22
Chronic Kidney Disease	45
Asthma	15
Osteoporosis	8
Heart Failure	39
Chronic Obstructive Pulmonary Disease	31
Diabetes	51
Atrial Fibrillation	11
Cancer	12
Dementia	21

Education & Training

He is certified by the Internal Medicine, American Board of Internal Medicine Gastroenterology, American Board of Internal Medicine and has a state license in California.

Board Certification: Internal Medicine, American Board of Internal Medicine Gastroenterology, American Board of Internal Medicine

Licensed In: California

Affiliations & Hospitals

Dr. Stephen Ac Parnell, MD is associated with these hospitals and organizations:

Cedars-Sinai

Centinela Hospital Medical Center

Ratings & Reviews

Dr. Stephen Ac Parnell, MD has a high overall rating with an average of 3.6 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Stephen Ac Parnell, MD from all over the web to help you find the right in Inglewood, CA.

3.6

Overall Rating

(5 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$3,487 XIFAXAN $2,923	PLENVU $326	UCERIS TABLETS $114	Trulance $75	XIFAXANIBSD $43	Other $6
AbbVie Inc.	$3,014 Skyrizi $1,170	Humira $593	Mavyret $343	LINZESS $337	Rinvoq $266	Other $304
Gilead Sciences Inc	$1,862 Harvoni $198	Genvoya $124	Truvada $83	$1,457
AbbVie, Inc.	$1,736 Humira $555	Creon $489	Mavyret $285	Viekira $140	Lupron $97	Other $169
Gilead Sciences, Inc.	$1,428 Epclusa $238	Descovy $94	$1,096
Other	$5,319 STELARA $680	ZEPOSIA $452	XELJANZ $373	ZEPATIER $345	VELSIPITY $336	Other $3,132

**Types of Payments**
Food and Beverage	$16,511
Gift	$306
Education	$29

Biography

Dr. Stephen Parnell's medical specialty is adult gastroenterology. Dr. Parnell has received a 3.5 out of 5 star rating by his patients. He attended medical school at Howard University College of Medicine. He is professionally affiliated with Centinela Hospital Medical Center.