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Home > PA Providers > Gynecologic Oncologists

Dr. Mark S. Shahin, MD

Accepting New Patients

(30 Ratings)

Specializes in: Gynecologic Oncology and Hospital Medicine (Hospitalist)

Northwestern University, Feinberg School of Medicine (1993)

Professional interests include: gynecologic cancer, women's health issues

1203 Langhorne - Newtown Road Suite 135
Langhorne, PA 19047

(215) 750-5050

Dr. Mark S. Shahin, MD is a gynecologic oncologist in Philadelphia, PA specializing in gynecologic oncology and hospital medicine (hospitalist). He graduated from Northwestern University, Feinberg School of Medicine in 1993 and has 33 years of experience. Dr. Mark S. Shahin, MD is affiliated with Penn State Health, Trinity Health Mid-Atlantic and ALLIANCE CANCER SPECIALISTS.

Office Locations

10800 Knights Road
Philadelphia, PA 19114

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3941 Commerce Avenue
Willow Grove, PA 19090

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Trinity Health Mid-Atlantic

1203 Langhorne - Newtown Road Suite 135
Langhorne, PA 19047

(215) 750-5050

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35 Hope Drive Suite 202/204
Hershey, PA 17033

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400 University Drive
Hershey, PA 17033

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In The News (see more mentions in the news)

“Chatterjee-Paer also alleges that her former boss, Mark Shahin, a doctor of gynecologic oncology, "created a hostile environment toward women by routinely shouting at them, unjustifiably...”—"Doctor suing Jefferson Abington says hospital paid men more than women", Philadelphia Inquirer, June 2023

“asked SGO session moderator Mark Shahin, MD, of Jefferson Health in Abington, Pennsylvania.”—"'End of the Road' for Trabectedin in Ovarian Cancer?", MedPage Today, March 2019

“said Mark S. Shahin, chief of gynecologic oncology at Sidney Kimmel Cancer Center of Thomas Jefferson University.”—"The cancer-preventing HPV vaccine a dozen years on: Progress, fear, and loathing", Philadelphia Inquirer, November 2018

Noteworthy Medicare Patient Procedures Performed by Dr. Mark S. Shahin, 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. Mark S. Shahin, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 95% of providers in related specialties within Pennsylvania.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark S. Shahin, MD treated as a gynecologic oncologist in Philadelphia, PA during 2012 were hospital care, inpatient care and port flush.

Volume of procedures performed by Dr. Mark S. Shahin, MD for Medicare patients.

doctor visit	534
hospital care	156
inpatient care	156
port flush	49

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark S. Shahin, MD treated as a gynecologic oncologist in Philadelphia, PA during 2013 were hospital care, inpatient care and port flush.

Volume of procedures performed by Dr. Mark S. Shahin, MD for Medicare patients.

doctor visit	443
hospital care	160
inpatient care	160
port flush	60

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Shahin, MD.

**Gender**
Male	0
Female	262

**Ethnicity**
Non-Hispanic White	233
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	81
85 and over	30
Less than 65	21

Conditions of Medicare patients treated by Dr. Mark S. Shahin, MD in 2013

Hypertension	69
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	22
Depression	18
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	26
Dementia	9
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark S. Shahin, MD treated as a gynecologic oncologist in Philadelphia, PA during 2014 were hospital care, inpatient care and port flush.

Volume of procedures performed by Dr. Mark S. Shahin, MD for Medicare patients.

doctor visit	391
hospital care	163
inpatient care	163
port flush	46

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Shahin, MD.

**Gender**
Male	0
Female	275

**Ethnicity**
Non-Hispanic White	248
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	81
85 and over	30
Less than 65	21

Conditions of Medicare patients treated by Dr. Mark S. Shahin, MD in 2014

Hypertension	68
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	22
Depression	21
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	29
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark S. Shahin, MD treated as a gynecologic oncologist in Philadelphia, PA during 2015 were port flush, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark S. Shahin, MD for Medicare patients.

doctor visit	412
hospital care	39
inpatient care	39
port flush	75

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Shahin, MD.

**Gender**
Male	0
Female	530

**Ethnicity**
Non-Hispanic White	476
Black	32
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	286
From 75 to 84	152
85 and over	54
Less than 65	38

Conditions of Medicare patients treated by Dr. Mark S. Shahin, MD in 2015

Hypertension	68
High Cholesterol	57
Stroke	7
Ischemic Heart Disease	18
Depression	19
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	10
Chronic Obstructive Pulmonary Disease	6
Diabetes	25
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark S. Shahin, MD treated as a gynecologic oncologist in Philadelphia, PA during 2016 were hospital care, inpatient care and port flush.

Volume of procedures performed by Dr. Mark S. Shahin, MD for Medicare patients.

doctor visit	445
hospital care	123
inpatient care	123
port flush	67

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Shahin, MD.

**Gender**
Male	0
Female	289

**Ethnicity**
Non-Hispanic White	255
Black	19
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	92
85 and over	23
Less than 65	20

Conditions of Medicare patients treated by Dr. Mark S. Shahin, MD in 2016

Hypertension	60
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	19
Depression	19
Chronic Kidney Disease	24
Asthma	12
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	23
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark S. Shahin, MD treated as a gynecologic oncologist in Philadelphia, PA during 2017 were hospital care, inpatient care and port flush.

Volume of procedures performed by Dr. Mark S. Shahin, MD for Medicare patients.

doctor visit	411
hospital care	139
inpatient care	139
port flush	61

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Shahin, MD.

**Gender**
Male	0
Female	293

**Ethnicity**
Non-Hispanic White	255
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	93
85 and over	22
Less than 65	14

Conditions of Medicare patients treated by Dr. Mark S. Shahin, MD in 2017

Hypertension	66
High Cholesterol	49
Stroke	7
Ischemic Heart Disease	24
Depression	22
Chronic Kidney Disease	29
Asthma	6
Osteoperosis	15
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	7
Diabetes	27
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark S. Shahin, MD treated as a gynecologic oncologist in Philadelphia, PA during 2018 were hospital care, inpatient care and port flush.

Volume of procedures performed by Dr. Mark S. Shahin, MD for Medicare patients.

doctor visit	436
hospital care	138
inpatient care	138
port flush	23

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Shahin, MD.

**Gender**
Male	0
Female	276

**Ethnicity**
Non-Hispanic White	237
Black	26
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	145
From 75 to 84	91
85 and over	23
Less than 65	17

Conditions of Medicare patients treated by Dr. Mark S. Shahin, MD in 2018

Hypertension	66
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	25
Depression	20
Chronic Kidney Disease	27
Asthma	9
Osteoperosis	16
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	8
Diabetes	27
Dementia	8
Cancer	18

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark S. Shahin, MD treated as a gynecologic oncologist in Philadelphia, PA during 2019 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Mark S. Shahin, MD for Medicare patients.

doctor visit	509
hospital care	195
inpatient care	181
outpatient care	14

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Shahin, MD.

**Gender**
Male	0
Female	315

**Ethnicity**
Non-Hispanic White	266
Black	30
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	95
85 and over	30
Less than 65	29

Conditions of Medicare patients treated by Dr. Mark S. Shahin, MD in 2019

Hypertension	64
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	24
Depression	25
Chronic Kidney Disease	33
Asthma	10
Osteoperosis	17
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark S. Shahin, MD treated as a gynecologic oncologist in Philadelphia, PA during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark S. Shahin, MD for Medicare patients.

doctor visit	467
hospital care	239
inpatient care	239

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Shahin, MD.

**Gender**
Male	0
Female	293

**Ethnicity**
Non-Hispanic White	244
Black	30
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	87
85 and over	22
Less than 65	20

Conditions of Medicare patients treated by Dr. Mark S. Shahin, MD in 2020

Hypertension	63
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	26
Depression	25
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	14
Atrial Fibrilation	6
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	26
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark S. Shahin, MD treated as a gynecologic oncologist in Philadelphia, PA during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark S. Shahin, MD for Medicare patients.

doctor visit	519
hospital care	187
inpatient care	187

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Shahin, MD.

**Gender**
Male	0
Female	330

**Ethnicity**
Non-Hispanic White	287
Black	28
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	193
From 75 to 84	89
85 and over	28
Less than 65	20

Conditions of Medicare patients treated by Dr. Mark S. Shahin, MD in 2021

Hypertension	64
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	27
Depression	23
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	18
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	26
Dementia	6
Cancer	19

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark S. Shahin, MD treated as a gynecologic oncologist in Philadelphia, PA during 2022 were hospital care, inpatient care, lymph node procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Mark S. Shahin, MD for Medicare patients.

dissection	11
doctor visit	508
excision	11
gynecologic procedures	11
hospital care	103
inpatient care	103
lymph node procedures	25
minimally invasive procedures	22
pelvic surgery	11

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Shahin, MD.

**Gender**
Male	0
Female	340

**Ethnicity**
Non-Hispanic White	292
Black	29
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	181
From 75 to 84	104
85 and over	36
Less than 65	19

Conditions of Medicare patients treated by Dr. Mark S. Shahin, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	17
Depression	24
Chronic Kidney Disease	23
Asthma	11
Osteoperosis	24
Atrial Fibrilation	17
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	32
Dementia	5
Cancer	63

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark S. Shahin, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark S. Shahin, MD treated as a gynecologic oncologist in Philadelphia, PA were hospital care, inpatient care, lymph node procedures and minimally invasive procedures.

dissection	11
doctor visit	461
excision	11
gynecologic procedures	11
hospital care	149
inpatient care	148
lymph node procedures	25
minimally invasive procedures	22
outpatient care	14
pelvic surgery	11

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark S. Shahin, MD.

**Gender**
Male	0
Female	291

**Ethnicity**
Black / African American	19
Asian / Pacific Islander	0
Non-Hispanic White	253
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	87
85 and over	27
Less than 65	19
65 to 74	156

Average of Total of Conditions of Medicare patients treated by Dr. Mark S. Shahin, MD From 2012 - 2022

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

Hypertension	60
High Cholesterol	52
Stroke	5
Ischemic Heart Disease	20
Depression	19
Chronic Kidney Disease	24
Asthma	7
Osteoporosis	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	24
Atrial Fibrillation	10
Dementia	6
Cancer	18

Education & Training

Dr. Mark S. Shahin, MD graduated from Northwestern University, Feinberg School of Medicine in 1993. He completed residency at Northwestern Memorial Hospital. He is certified by the Gynecologic Oncology, American Board of Obstetrics and Gynecology and has a state license in Pennsylvania.

Medical School: Northwestern University, Feinberg School of Medicine (1993)

Residency: Northwestern Memorial Hospital (1997)

Board Certification: Gynecologic Oncology, American Board of Obstetrics and Gynecology

Licensed In: Pennsylvania

Affiliations & Hospitals

Dr. Mark S. Shahin, MD is associated with these hospitals and organizations:

Penn State Health

Trinity Health Mid-Atlantic

ALLIANCE CANCER SPECIALISTS

Ratings & Reviews

Dr. Mark S. Shahin, MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 30 ratings. We collect ratings and reviews of Dr. Mark S. Shahin, MD from all over the web to help you find the right in Philadelphia, PA.

4.9

Overall Rating

(30 Ratings)

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General Payments

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

**Payments by Company**
GlaxoSmithKline, LLC.	$244,162 ZEJULA $186,923	JEMPERLI $32,277	BLENREP $2,900	$22,062
TESARO, Inc.	$242,669 ZEJULA $238,251	$4,417
AstraZeneca Pharmaceuticals LP	$163,375 LYNPARZA $162,840	$534
Merck Sharp & Dohme Corporation	$44,778 KEYTRUDA $42,702	NON-PRODUCT $1,775	GARDASIL $111	$190
Genmab U.S., Inc.	$34,437 TIVDAK $34,437
Other	$106,488 TIVDAK $21,240	Exparel $19,874	Elahere $19,633	Hemoblast $12,651	Lenvima $9,055	Other $24,036

**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	$578,630
Consulting Fee	$115,787
Travel and Lodging	$109,081
Food and Beverage	$28,175
Education	$4,236

Research Payments

Dr. Mark S. Shahin, MD has received 190 research payments totaling $3,120,702.

Biography

Dr. Mark Shahin is a specialist in gynecologic oncology and hospital medicine (hospitalist) in Philadelphia, PA, Langhorne, PA, and Willow Grove, PA. Dr. Shahin's clinical interests encompass gynecologic cancer. His hospital/clinic affiliations include Penn State Health and Trinity Health Mid-Atlantic. After attending Northwestern University, Feinberg School of Medicine, he completed his residency training at the University of Iowa Hospitals & Clinics and Northwestern Memorial Hospital. He is rated 5.0 stars (out of 5) by his patients. Dr. Shahin has an open panel in Philadelphia, PA according to Doctor.com.