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Dr. Mark Stephen Pfaff, DO, AOAO

(Dr. Mark Pfaff)

(1 Rating)

Specializes in: Orthopedics/Orthopedic Surgery

Philadelphia College of Osteopathic Medicine

160 Railroad Avenue
Elkton, MD 21921

(410) 996-8686

Dr. Mark Stephen Pfaff, DO, AOAO is an orthopedist in Elkton, MD specializing in orthopedics/orthopedic surgery. He graduated from Philadelphia College of Osteopathic Medicine. Dr. Mark Stephen Pfaff, DO, AOAO is affiliated with ChristianaCare and AGAPE PHYSICAL THERAPY AND SPORTS REHABILITATION LP.

Office Locations

ChristianaCare

160 Railroad Avenue
Elkton, MD 21921

(410) 996-8686

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Noteworthy Medicare Patient Procedures Performed by Dr. Mark Stephen Pfaff, DO, AOAO in 2023

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

Top 25%

By Volume:

inpatient hospital care

major joint aspiration

major joint injection

By Affordability:

femur fracture surgery

fracture surgery

hip fracture surgery

pertrochanteric hip fracture surgery

trochanteric hip fracture surgery

In 2012, among providers in related specialties within Maryland, Dr. Mark Stephen Pfaff, DO, AOAO performed more inpatient hospital care (for patient admitted to hospital), major joint aspiration, and major joint injection procedures for Medicare patients than 75% of them and he also had a list price for femur (thigh bone) fracture surgery, fracture surgery, hip fracture surgery, pertrochanteric hip fracture surgery, and trochanteric hip fracture surgery 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. Mark Stephen Pfaff, DO, AOAO treated as an orthopedist in Elkton, MD during 2012 were injections, aspiration, joint surgery and lower extremity surgery.

Volume of procedures performed by Dr. Mark Stephen Pfaff, DO, AOAO for Medicare patients.

aspiration	430
doctor visit	1111
hospital care	20
injections	451
inpatient care	20
joint surgery	43
lower extremity surgery	43
minimally invasive procedures	17
reconstructive surgery	26

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Pfaff, DO, AOAO treated as an orthopedist in Elkton, MD during 2013 were injections, aspiration, joint surgery and lower extremity surgery.

Volume of procedures performed by Dr. Mark Stephen Pfaff, DO, AOAO for Medicare patients.

aspiration	408
doctor visit	1152
hospital care	29
injections	432
inpatient care	29
joint surgery	58
lower extremity surgery	58
minimally invasive procedures	24
reconstructive surgery	34

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO.

**Gender**
Male	204
Female	383

**Ethnicity**
Non-Hispanic White	540
Black	34
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	221
From 75 to 84	156
85 and over	57
Less than 65	153

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2013

Hypertension	70
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	40
Depression	35
Chronic Kidney Disease	23
Asthma	15
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	22
Diabetes	38
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Pfaff, DO, AOAO treated as an orthopedist in Elkton, MD during 2014 were injections, aspiration, joint surgery and lower extremity surgery.

Volume of procedures performed by Dr. Mark Stephen Pfaff, DO, AOAO for Medicare patients.

aspiration	427
doctor visit	1176
injections	461
joint surgery	51
lower extremity surgery	51
minimally invasive procedures	17
reconstructive surgery	34

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO.

**Gender**
Male	204
Female	381

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

**Age**
From 65 to 74	232
From 75 to 84	134
85 and over	50
Less than 65	169

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2014

Hypertension	71
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	36
Depression	32
Chronic Kidney Disease	22
Asthma	13
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	19
Chronic Obstructive Pulmonary Disease	19
Diabetes	39
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Pfaff, DO, AOAO treated as an orthopedist in Elkton, MD during 2015 were injections, aspiration, lower extremity surgery and reconstructive surgery.

Volume of procedures performed by Dr. Mark Stephen Pfaff, DO, AOAO for Medicare patients.

aspiration	570
doctor visit	1509
fracture surgery	12
hospital care	18
injections	608
inpatient care	18
joint surgery	29
lower extremity surgery	41
reconstructive surgery	29

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO.

**Gender**
Male	496
Female	856

**Ethnicity**
Non-Hispanic White	1244
Black	64
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	558
From 75 to 84	328
85 and over	150
Less than 65	316

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2015

Hypertension	74
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	33
Depression	31
Chronic Kidney Disease	22
Asthma	20
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	25
Diabetes	34
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Pfaff, DO, AOAO treated as an orthopedist in Elkton, MD during 2016 were injections, aspiration, lower extremity surgery and reconstructive surgery.

Volume of procedures performed by Dr. Mark Stephen Pfaff, DO, AOAO for Medicare patients.

aspiration	487
doctor visit	1372
fracture surgery	11
hospital care	18
injections	528
inpatient care	18
joint surgery	29
lower extremity surgery	40
reconstructive surgery	29

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO.

**Gender**
Male	221
Female	412

**Ethnicity**
Non-Hispanic White	582
Black	36
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	238
From 75 to 84	171
85 and over	71
Less than 65	153

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2016

Hypertension	71
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	33
Depression	30
Chronic Kidney Disease	24
Asthma	30
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	27
Diabetes	40
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Pfaff, DO, AOAO treated as an orthopedist in Elkton, MD during 2017 were injections, aspiration, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. Mark Stephen Pfaff, DO, AOAO for Medicare patients.

aspiration	445
doctor visit	1268
hospital care	14
injections	480
inpatient care	14
joint surgery	17
lower extremity surgery	17
reconstructive surgery	17

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO.

**Gender**
Male	202
Female	388

**Ethnicity**
Non-Hispanic White	527
Black	48
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	235
From 75 to 84	150
85 and over	68
Less than 65	137

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2017

Hypertension	72
High Cholesterol	46
Stroke	5
Ischemic Heart Disease	34
Depression	36
Chronic Kidney Disease	31
Asthma	11
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	25
Diabetes	40
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Pfaff, DO, AOAO treated as an orthopedist in Elkton, MD during 2018 were injections, aspiration, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Stephen Pfaff, DO, AOAO for Medicare patients.

aspiration	508
doctor visit	1399
hospital care	24
injections	566
inpatient care	24
joint surgery	13
lower extremity surgery	13
reconstructive surgery	13

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO.

**Gender**
Male	216
Female	393

**Ethnicity**
Non-Hispanic White	553
Black	41
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	253
From 75 to 84	150
85 and over	55
Less than 65	151

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2018

Hypertension	74
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	38
Depression	34
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	25
Diabetes	42
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Pfaff, DO, AOAO treated as an orthopedist in Elkton, MD during 2019 were injections, aspiration, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Stephen Pfaff, DO, AOAO for Medicare patients.

aspiration	674
doctor visit	1472
fracture surgery	13
hospital care	51
injections	714
inpatient care	51
joint surgery	15
lower extremity surgery	28
reconstructive surgery	15

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO.

**Gender**
Male	232
Female	402

**Ethnicity**
Non-Hispanic White	573
Black	41
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	259
From 75 to 84	168
85 and over	67
Less than 65	140

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2019

Hypertension	75
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	40
Depression	38
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	27
Diabetes	46
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Pfaff, DO, AOAO treated as an orthopedist in Elkton, MD during 2020 were injections, aspiration, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Stephen Pfaff, DO, AOAO for Medicare patients.

aspiration	420
doctor visit	1120
fracture surgery	13
hospital care	42
injections	448
inpatient care	42
lower extremity surgery	13

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO.

**Gender**
Male	200
Female	377

**Ethnicity**
Non-Hispanic White	507
Black	42
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	242
From 75 to 84	145
85 and over	58
Less than 65	132

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2020

Hypertension	74
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	38
Depression	33
Chronic Kidney Disease	31
Asthma	11
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	22
Chronic Obstructive Pulmonary Disease	22
Diabetes	42
Dementia	10
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Pfaff, DO, AOAO treated as an orthopedist in Elkton, MD during 2021 were injections, aspiration, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Stephen Pfaff, DO, AOAO for Medicare patients.

aspiration	483
doctor visit	1270
fracture surgery	11
hospital care	43
injections	521
inpatient care	43
joint surgery	15
lower extremity surgery	26
reconstructive surgery	15

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO.

**Gender**
Male	192
Female	407

**Ethnicity**
Non-Hispanic White	532
Black	43
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	253
From 75 to 84	154
85 and over	56
Less than 65	136

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2021

Hypertension	75
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	37
Depression	34
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	23
Diabetes	40
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark Stephen Pfaff, DO, AOAO treated as an orthopedist in Elkton, MD during 2022 were injections, aspiration, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Stephen Pfaff, DO, AOAO for Medicare patients.

aspiration	456
doctor visit	1046
hospital care	38
injections	481
inpatient care	38

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO.

**Gender**
Male	175
Female	327

**Ethnicity**
Non-Hispanic White	449
Black	30
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	136
85 and over	58
Less than 65	98

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	28
Depression	32
Chronic Kidney Disease	16
Asthma	11
Osteoperosis	15
Atrial Fibrilation	18
Heart Failure	16
Chronic Obstructive Pulmonary Disease	27
Diabetes	39
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark Stephen Pfaff, DO, AOAO for Medicare patients.

The highest averages for the top procedures that Dr. Mark Stephen Pfaff, DO, AOAO treated as an orthopedist in Elkton, MD were injections, aspiration, lower extremity surgery and joint surgery.

aspiration	482
doctor visit	1263
fracture surgery	12
hospital care	29
injections	517
inpatient care	29
joint surgery	30
lower extremity surgery	33
minimally invasive procedures	19
reconstructive surgery	23

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO.

**Gender**
Male	212
Female	393

**Ethnicity**
Black / African American	34
Asian / Pacific Islander	0
Non-Hispanic White	550
Native American / Alaskan Native	0
Hispanic	1
Other	0

**Age**
75 to 84	153
85 and over	62
Less than 65	144
65 to 74	245

Average of Total of Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mark Stephen Pfaff, DO, AOAO treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	66
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	32
Depression	30
Chronic Kidney Disease	23
Asthma	12
Osteoporosis	8
Heart Failure	15
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Atrial Fibrillation	11
Dementia	8
Cancer	8

Education & Training

Dr. Mark Stephen Pfaff, DO, AOAO graduated from Philadelphia College of Osteopathic Medicine. He completed residency at Philadelphia College of Osteopathic Medicine Affiliated Hospitals. He is certified by the Board Certification: Orthopedic Surgery and has a state license in Maryland.

Medical School: Philadelphia College of Osteopathic Medicine

Residency: Philadelphia College of Osteopathic Medicine Affiliated Hospitals

Board Certification: Board Certification: Orthopedic Surgery

Licensed In: Maryland

Affiliations & Hospitals

Dr. Mark Stephen Pfaff, DO, AOAO is associated with these hospitals and organizations:

ChristianaCare

AGAPE PHYSICAL THERAPY AND SPORTS REHABILITATION LP

Ratings & Reviews

Dr. Mark Stephen Pfaff, DO, AOAO 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. Mark Stephen Pfaff, DO, AOAO from all over the web to help you find the right in Elkton, MD.

Overall Rating

(1 Rating)

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Reviews Left On DocSpot

Overall Rating: 5.0 2025-04-29

Dr.Pfaff  both of my hip surgeries. He’s been great I mean I have never had no problems with Dr.Pfaff I would highly recommend  him forhip surgery

General Payments

These charts describe general payments received by Dr. Mark Stephen Pfaff, DO, AOAO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Stryker Corporation	$2,133 Mako $823	TRAUMA & EXTREMITIES $234	T2 $160	ACCOLADE $149	TRIDENT $140	Other $627
MicroPort Orthopedics Inc	$1,010 MPO Hip System $802	MPO Medial Pivot Knee $208
Zimmer Holding Inc	$263 Knee $243	Trauma $20
Lilly USA, LLC	$151 FORTEO $151
SANOFI-AVENTIS U.S. LLC	$136 SYNVISC-ONE $104	Osteoarthritis of the knee $32
Other	$516 OFIRMEV $93	GELSYN 3 $70	Zipsor $45	Biosurgicals $44	VIMOVO $31	Other $233

**Types of Payments**
Food and Beverage	$3,502
Travel and Lodging	$706

Biography

Dr. Mark Pfaff is a medical specialist in orthopedics/orthopedic surgery. He attended Philadelphia College of Osteopathic Medicine for medical school and subsequently trained at a hospital affiliated with Philadelphia College of Osteopathic Medicine for residency. Dr. Pfaff is professionally affiliated with ChristianaCare.

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Dr. Mark Stephen Pfaff, DO, AOAO

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Mark Stephen Pfaff, DO, AOAO in 2023

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. Mark Stephen Pfaff, DO, AOAO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Stephen Pfaff, DO, AOAO 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. Mark Stephen Pfaff, DO, AOAO From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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