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Dr. Ronald P. Markos, MD

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Specializes in: Adult Gastroenterology

Drexel University College of Medicine (1988)

817 Lawn Avenue
Sellersville, PA 18960

(215) 257-5071

Dr. Ronald P. Markos, MD is a gastroenterologist in Sellersville, PA specializing in adult gastroenterology. He graduated from Drexel University College of Medicine in 1988 and has 38 years of experience. Dr. Ronald P. Markos, MD is affiliated with St. Luke's University Health Network.

Office Locations

817 Lawn Avenue
Sellersville, PA 18960

(215) 257-5071

(215) 257-1801

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In The News

“Dr. Ronald Markos, a gastroenterologist, will discuss the detection, treatment, prevention and recurrence of intestinal ulcers.”—"PENNRIDGE AREA", The Morning Call, August 1996

Noteworthy Medicare Patient Procedures Performed by Dr. Ronald P. Markos, MD in 2023

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

Top 5%

By Volume:

colonoscopy with biopsy

colonoscopy with lesion removal

EGD with biopsy

EGD with lesion removal

endoscopy

gastrointestinal biopsy

gastrointestinal procedures

hemorrhoid banding

preventive care

removal of lesion

screening colonoscopy

standard anoscopy

By Affordability:

In 2023, among providers in related specialties within Pennsylvania, Dr. Ronald P. Markos, MD performed more colonoscopy with biopsy, colonoscopy with lesion removal, EGD with biopsy, EGD with lesion removal, endoscopy, gastrointestinal biopsy, gastrointestinal procedures, hemorrhoid banding, preventive care, removal of lesion (e.g. growth), screening colonoscopy, and standard anoscopy procedures for Medicare patients than 95% of them and he also had a list price for anoscopy, diagnostic anoscopy, esophageal dilation, and standard anoscopy 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:

inpatient hospital care

By Affordability:

esophageal dilation without endoscopic guidance

hospital care

inpatient care

inpatient hospital care

In 2012, among providers in related specialties within Pennsylvania, Dr. Ronald P. Markos, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of them and he also had a list price for esophageal dilation without endoscopic guidance, 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. Ronald P. Markos, MD treated as a gastroenterologist in Sellersville, PA during 2012 were gastrointestinal procedures, minimally invasive procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald P. Markos, MD for Medicare patients.

diagnostic procedures	288
doctor visit	492
esophageal dilation	19
gastrointestinal procedures	761
hospital care	474
inpatient care	474
minimally invasive procedures	563
preventive care	217
removal of lesion (e.g. growth)	288

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ronald P. Markos, MD treated as a gastroenterologist in Sellersville, PA during 2013 were gastrointestinal procedures, minimally invasive procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald P. Markos, MD for Medicare patients.

diagnostic procedures	330
doctor visit	474
esophageal dilation	23
gastrointestinal procedures	820
hospital care	427
inpatient care	427
minimally invasive procedures	606
preventive care	216
removal of lesion (e.g. growth)	330

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald P. Markos, MD.

**Gender**
Male	403
Female	420

**Ethnicity**
Non-Hispanic White	792
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	389
From 75 to 84	225
85 and over	126
Less than 65	83

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2013

Hypertension	70
High Cholesterol	67
Stroke	7
Ischemic Heart Disease	38
Depression	22
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	29
Dementia	12
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ronald P. Markos, MD treated as a gastroenterologist in Sellersville, PA during 2014 were gastrointestinal procedures, minimally invasive procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald P. Markos, MD for Medicare patients.

diagnostic procedures	276
doctor visit	597
esophageal dilation	23
gastrointestinal procedures	777
hospital care	509
inpatient care	509
minimally invasive procedures	573
preventive care	235
removal of lesion (e.g. growth)	276

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald P. Markos, MD.

**Gender**
Male	401
Female	487

**Ethnicity**
Non-Hispanic White	854
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	404
From 75 to 84	262
85 and over	140
Less than 65	82

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2014

Hypertension	72
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	41
Depression	24
Chronic Kidney Disease	24
Asthma	8
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	19
Chronic Obstructive Pulmonary Disease	16
Diabetes	29
Dementia	11
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ronald P. Markos, MD treated as a gastroenterologist in Sellersville, PA during 2015 were gastrointestinal procedures, minimally invasive procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald P. Markos, MD for Medicare patients.

diagnostic procedures	268
doctor visit	496
esophageal dilation	15
gastrointestinal procedures	781
hospital care	462
inpatient care	462
minimally invasive procedures	612
preventive care	271
removal of lesion (e.g. growth)	268

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald P. Markos, MD.

**Gender**
Male	860
Female	882

**Ethnicity**
Non-Hispanic White	1642
Black	0
Hispanic	0
Asian	22
Other	48
Native American	0

**Age**
From 65 to 74	860
From 75 to 84	510
85 and over	212
Less than 65	160

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2015

Hypertension	68
High Cholesterol	67
Stroke	9
Ischemic Heart Disease	38
Depression	22
Chronic Kidney Disease	27
Asthma	11
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	19
Chronic Obstructive Pulmonary Disease	16
Diabetes	29
Dementia	10
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ronald P. Markos, MD treated as a gastroenterologist in Sellersville, PA during 2016 were gastrointestinal procedures, minimally invasive procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald P. Markos, MD for Medicare patients.

diagnostic procedures	408
doctor visit	703
esophageal dilation	41
gastrointestinal procedures	1079
hospital care	677
injections	11
inpatient care	677
minimally invasive procedures	885
preventive care	365
removal of lesion (e.g. growth)	408

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald P. Markos, MD.

**Gender**
Male	560
Female	573

**Ethnicity**
Non-Hispanic White	1076
Black	0
Hispanic	0
Asian	13
Other	29
Native American	0

**Age**
From 65 to 74	630
From 75 to 84	315
85 and over	98
Less than 65	90

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2016

Hypertension	67
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	33
Depression	20
Chronic Kidney Disease	25
Asthma	15
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ronald P. Markos, MD treated as a gastroenterologist in Sellersville, PA during 2017 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Ronald P. Markos, MD for Medicare patients.

diagnostic procedures	381
doctor visit	809
esophageal dilation	16
gastrointestinal procedures	1017
hospital care	314
inpatient care	314
minimally invasive procedures	776
preventive care	290
removal of lesion (e.g. growth)	381

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald P. Markos, MD.

**Gender**
Male	570
Female	547

**Ethnicity**
Non-Hispanic White	1033
Black	14
Hispanic	0
Asian	21
Other	34
Native American	0

**Age**
From 65 to 74	563
From 75 to 84	318
85 and over	111
Less than 65	125

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2017

Hypertension	66
High Cholesterol	52
Stroke	8
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	28
Asthma	8
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ronald P. Markos, MD treated as a gastroenterologist in Sellersville, PA during 2018 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Ronald P. Markos, MD for Medicare patients.

diagnostic procedures	362
doctor visit	888
esophageal dilation	12
gastrointestinal procedures	933
hospital care	84
injections	12
inpatient care	84
lab tests	14
minimally invasive procedures	747
preventive care	272
removal of lesion (e.g. growth)	362

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald P. Markos, MD.

**Gender**
Male	545
Female	552

**Ethnicity**
Non-Hispanic White	1011
Black	13
Hispanic	16
Asian	19
Other	38
Native American	0

**Age**
From 65 to 74	524
From 75 to 84	336
85 and over	125
Less than 65	112

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2018

Hypertension	69
High Cholesterol	68
Stroke	7
Ischemic Heart Disease	31
Depression	24
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	8
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ronald P. Markos, MD treated as a gastroenterologist in Sellersville, PA during 2019 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Ronald P. Markos, MD for Medicare patients.

diagnostic procedures	344
doctor visit	913
esophageal dilation	16
gastrointestinal procedures	936
hospital care	184
inpatient care	184
minimally invasive procedures	707
preventive care	244
removal of lesion (e.g. growth)	344

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald P. Markos, MD.

**Gender**
Male	549
Female	509

**Ethnicity**
Non-Hispanic White	973
Black	0
Hispanic	0
Asian	21
Other	40
Native American	0

**Age**
From 65 to 74	533
From 75 to 84	322
85 and over	123
Less than 65	80

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2019

Hypertension	70
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	33
Depression	22
Chronic Kidney Disease	34
Asthma	10
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	13
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ronald P. Markos, MD treated as a gastroenterologist in Sellersville, PA during 2020 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Ronald P. Markos, MD for Medicare patients.

diagnostic procedures	340
doctor visit	631
esophageal dilation	11
gastrointestinal procedures	788
hospital care	188
inpatient care	188
minimally invasive procedures	638
preventive care	207
removal of lesion (e.g. growth)	340

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald P. Markos, MD.

**Gender**
Male	488
Female	401

**Ethnicity**
Non-Hispanic White	833
Black	0
Hispanic	11
Asian	0
Other	27
Native American	0

**Age**
From 65 to 74	425
From 75 to 84	292
85 and over	96
Less than 65	76

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2020

Hypertension	70
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	31
Depression	24
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ronald P. Markos, MD treated as a gastroenterologist in Sellersville, PA during 2021 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Ronald P. Markos, MD for Medicare patients.

diagnostic procedures	411
doctor visit	646
esophageal dilation	11
gastrointestinal procedures	895
hospital care	245
inpatient care	245
minimally invasive procedures	767
preventive care	249
removal of lesion (e.g. growth)	411

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald P. Markos, MD.

**Gender**
Male	548
Female	476

**Ethnicity**
Non-Hispanic White	947
Black	0
Hispanic	0
Asian	18
Other	41
Native American	0

**Age**
From 65 to 74	549
From 75 to 84	317
85 and over	84
Less than 65	74

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2021

Hypertension	69
High Cholesterol	69
Stroke	6
Ischemic Heart Disease	30
Depression	24
Chronic Kidney Disease	32
Asthma	7
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ronald P. Markos, MD treated as a gastroenterologist in Sellersville, PA during 2022 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Ronald P. Markos, MD for Medicare patients.

diagnostic procedures	481
doctor visit	981
esophageal dilation	13
gastrointestinal procedures	995
hospital care	113
injections	11
inpatient care	113
minimally invasive procedures	855
preventive care	261
removal of lesion (e.g. growth)	481

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald P. Markos, MD.

**Gender**
Male	632
Female	637

**Ethnicity**
Non-Hispanic White	1163
Black	13
Hispanic	19
Asian	16
Other	58
Native American	0

**Age**
From 65 to 74	646
From 75 to 84	432
85 and over	100
Less than 65	91

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2022

Hypertension	74
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	23
Depression	22
Chronic Kidney Disease	21
Asthma	10
Osteoperosis	15
Atrial Fibrilation	17
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	4
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Ronald P. Markos, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ronald P. Markos, MD treated as a gastroenterologist in Sellersville, PA were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

diagnostic procedures	353
doctor visit	693
esophageal dilation	18
gastrointestinal procedures	889
hospital care	334
injections	11
inpatient care	334
lab tests	14
minimally invasive procedures	702
preventive care	257
removal of lesion (e.g. growth)	353

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Ronald P. Markos, MD.

**Gender**
Female	498
Male	505

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	11
Non-Hispanic White	938
Hispanic	4
Native American / Alaskan Native	0
Other	29

**Age**
85 and over	110
75 to 84	302
Less than 65	88
65 to 74	502

Average of Total of Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Ronald P. Markos, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	63
High Cholesterol	60
Stroke	7
Ischemic Heart Disease	30
Depression	20
Chronic Kidney Disease	25
Asthma	8
Osteoporosis	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Atrial Fibrillation	15
Dementia	7
Cancer	13

Education & Training

Dr. Ronald P. Markos, MD graduated from Drexel University College of Medicine in 1988. He completed residency at Hahnemann University Hospital. He has a state license in Pennsylvania.

Medical School: Drexel University College of Medicine (1988)

Residency: Hahnemann University Hospital (1993)

Licensed In: Pennsylvania

Affiliations & Hospitals

Dr. Ronald P. Markos, MD is associated with these hospitals and organizations:

St. Luke's University Health Network

Ratings & Reviews

Dr. Ronald P. Markos, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Ronald P. Markos, MD from all over the web to help you find the right in Sellersville, PA.

Overall Rating

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General Payments

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

**Payments by Company**
AbbVie, Inc.	$1,340 Humira $1,037	Mavyret $128	Viekira $90	Technivie $36	$50
AbbVie Inc.	$925 Humira $265	Rinvoq $242	Skyrizi $168	Mavyret $114	LINZESS $78	Other $58
Takeda Pharmaceuticals U.S.A., Inc.	$500 ENTYVIO $204	MOTEGRITY $99	GATTEX $96	Dexilant $73	$27
Janssen Biotech, Inc.	$483 STELARA $310	SIMPONI $148	REMICADE $25
Pfizer Inc.	$409 XELJANZ $346	INFLECTRA $63
Other	$4,208 Cimzia $345	XIFAXAN $303	ZEPOSIA $225	AMITIZA $134	Injectafer $132	Other $3,069

**Types of Payments**
Food and Beverage	$7,629
Education	$236

Biography

Dr. Ronald Markos is a physician who specializes in adult gastroenterology. He is affiliated with St. Luke's University Health Network. Dr. Markos has an open panel in according to St. Luke's University Health Network. He studied medicine at MCP Hahnemann School of Medicine. For his residency, Dr. Markos trained at Hahnemann University Hospital.

Select Year:

Dr. Ronald P. Markos, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Ronald P. Markos, MD in 2023

By Volume:

By Affordability:

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Ronald P. Markos, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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