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Home > MD Providers > Orthopedic Surgeons

Mr. Benjamin Williams Diffenderfer, MS, PA

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Specializes in: Orthopedics/Orthopedic Surgery

Professional interests include: injuries, sports health

515 South Tollgate Road Suite 200
Bel Air, MD 21014

(443) 643-3130

Mr. Benjamin Williams Diffenderfer, MS, PA is in Bel Air, MD specializing in orthopedics/orthopedic surgery. Mr. Benjamin Williams Diffenderfer, MS, PA is affiliated with University of Maryland Medical System.

Office Locations

510 Upper Chesapeake Drive Suite 417
Bel Air, MD 21014

(443) 643-3130

(443) 643-3155

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University of Maryland Medical System

515 South Tollgate Road Suite 200
Bel Air, MD 21014

(443) 643-3130

(443) 643-3133

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University of Maryland Medical System

650 Mchenry Road Suite 1200
Aberdeen, MD 21001

(443) 843-5557

(443) 843-5522

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Mr. Benjamin Williams Diffenderfer, MS, PA treated as in Bel Air, MD during 2012 were joint surgery, reconstructive surgery, lower extremity surgery and hospital care.

Volume of procedures performed by Mr. Benjamin Williams Diffenderfer, MS, PA for Medicare patients.

aspiration	31
decompression surgery	12
doctor visit	90
hospital care	63
injections	31
inpatient care	63
joint surgery	94
lower extremity surgery	82
minimally invasive procedures	12
reconstructive surgery	82
upper extremity surgery	12

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Mr. Benjamin Williams Diffenderfer, MS, PA treated as in Bel Air, MD during 2013 were reconstructive surgery, joint surgery, lower extremity surgery and aspiration.

Volume of procedures performed by Mr. Benjamin Williams Diffenderfer, MS, PA for Medicare patients.

aspiration	59
doctor visit	158
fracture surgery	11
hospital care	38
injections	59
inpatient care	38
joint surgery	61
lower extremity surgery	61
open surgery	11
reconstructive surgery	61

2013 Medicare Patient Data

Information about Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA.

**Gender**
Male	97
Female	182

**Ethnicity**
Non-Hispanic White	253
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	105
From 75 to 84	94
85 and over	54
Less than 65	26

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2013

Hypertension	75
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	41
Depression	33
Chronic Kidney Disease	33
Asthma	10
Osteoperosis	16
Atrial Fibrilation	22
Heart Failure	22
Chronic Obstructive Pulmonary Disease	25
Diabetes	36
Dementia	20
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Mr. Benjamin Williams Diffenderfer, MS, PA treated as in Bel Air, MD during 2014 were joint surgery, aspiration, injections and lower extremity surgery.

Volume of procedures performed by Mr. Benjamin Williams Diffenderfer, MS, PA for Medicare patients.

aspiration	69
debridement (removal of unhealthy tissue)	19
decompression surgery	22
doctor visit	162
fracture surgery	24
hospital care	58
injections	69
inpatient care	58
joint surgery	94
lower extremity surgery	64
minimally invasive procedures	41
open surgery	31
reconstructive surgery	53
upper extremity surgery	59

2014 Medicare Patient Data

Information about Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA.

**Gender**
Male	118
Female	193

**Ethnicity**
Non-Hispanic White	284
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	104
85 and over	68
Less than 65	30

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2014

Hypertension	75
High Cholesterol	68
Stroke	9
Ischemic Heart Disease	43
Depression	34
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	15
Atrial Fibrilation	17
Heart Failure	22
Chronic Obstructive Pulmonary Disease	26
Diabetes	37
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Mr. Benjamin Williams Diffenderfer, MS, PA treated as in Bel Air, MD during 2015 were reconstructive surgery, joint surgery, lower extremity surgery and aspiration.

Volume of procedures performed by Mr. Benjamin Williams Diffenderfer, MS, PA for Medicare patients.

aspiration	70
doctor visit	208
fracture surgery	15
hospital care	44
injections	70
inpatient care	44
joint surgery	77
lower extremity surgery	77
open surgery	26
reconstructive surgery	77
upper extremity surgery	11

2015 Medicare Patient Data

Information about Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA.

**Gender**
Male	214
Female	420

**Ethnicity**
Non-Hispanic White	578
Black	34
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	230
From 75 to 84	190
85 and over	124
Less than 65	90

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2015

Hypertension	75
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	38
Depression	29
Chronic Kidney Disease	28
Asthma	13
Osteoperosis	17
Atrial Fibrilation	15
Heart Failure	17
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Mr. Benjamin Williams Diffenderfer, MS, PA treated as in Bel Air, MD during 2016 were aspiration, injections, lower extremity surgery and reconstructive surgery.

Volume of procedures performed by Mr. Benjamin Williams Diffenderfer, MS, PA for Medicare patients.

aspiration	118
doctor visit	276
fracture surgery	16
hospital care	16
injections	118
inpatient care	16
joint surgery	68
lower extremity surgery	84
open surgery	13
reconstructive surgery	68
upper extremity surgery	13

2016 Medicare Patient Data

Information about Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA.

**Gender**
Male	118
Female	224

**Ethnicity**
Non-Hispanic White	310
Black	21
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	103
85 and over	58
Less than 65	43

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2016

Hypertension	75
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	41
Depression	26
Chronic Kidney Disease	29
Asthma	20
Osteoperosis	17
Atrial Fibrilation	18
Heart Failure	16
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	15
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Mr. Benjamin Williams Diffenderfer, MS, PA treated as in Bel Air, MD during 2017 were aspiration, injections, joint surgery and reconstructive surgery.

Volume of procedures performed by Mr. Benjamin Williams Diffenderfer, MS, PA for Medicare patients.

aspiration	129
debridement (removal of unhealthy tissue)	17
doctor visit	227
injections	129
joint surgery	84
lower extremity surgery	67
minimally invasive procedures	17
open surgery	11
reconstructive surgery	67
upper extremity surgery	28

2017 Medicare Patient Data

Information about Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA.

**Gender**
Male	95
Female	199

**Ethnicity**
Non-Hispanic White	268
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	95
85 and over	47
Less than 65	26

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2017

Hypertension	75
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	40
Depression	33
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	21
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	19
Diabetes	28
Dementia	16
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Mr. Benjamin Williams Diffenderfer, MS, PA treated as in Bel Air, MD during 2018 were aspiration, injections, joint surgery and lower extremity surgery.

Volume of procedures performed by Mr. Benjamin Williams Diffenderfer, MS, PA for Medicare patients.

aspiration	180
debridement (removal of unhealthy tissue)	20
doctor visit	237
fracture surgery	24
injections	180
joint surgery	97
lower extremity surgery	79
minimally invasive procedures	31
open surgery	11
reconstructive surgery	66
upper extremity surgery	31

2018 Medicare Patient Data

Information about Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA.

**Gender**
Male	112
Female	211

**Ethnicity**
Non-Hispanic White	289
Black	19
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	91
85 and over	60
Less than 65	26

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2018

Hypertension	75
High Cholesterol	72
Stroke	5
Ischemic Heart Disease	39
Depression	27
Chronic Kidney Disease	35
Asthma	7
Osteoperosis	18
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	22
Diabetes	37
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Mr. Benjamin Williams Diffenderfer, MS, PA treated as in Bel Air, MD during 2019 were joint surgery, aspiration, injections and lower extremity surgery.

Volume of procedures performed by Mr. Benjamin Williams Diffenderfer, MS, PA for Medicare patients.

aspiration	113
debridement (removal of unhealthy tissue)	21
decompression surgery	12
doctor visit	327
fracture surgery	31
hospital care	13
injections	113
inpatient care	13
joint surgery	139
lower extremity surgery	105
minimally invasive procedures	49
open surgery	16
reconstructive surgery	90
upper extremity surgery	49

2019 Medicare Patient Data

Information about Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA.

**Gender**
Male	125
Female	272

**Ethnicity**
Non-Hispanic White	370
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	151
From 75 to 84	141
85 and over	67
Less than 65	38

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2019

Hypertension	75
High Cholesterol	72
Stroke	4
Ischemic Heart Disease	34
Depression	29
Chronic Kidney Disease	31
Asthma	9
Osteoperosis	30
Atrial Fibrilation	15
Heart Failure	17
Chronic Obstructive Pulmonary Disease	20
Diabetes	31
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Mr. Benjamin Williams Diffenderfer, MS, PA treated as in Bel Air, MD during 2020 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Mr. Benjamin Williams Diffenderfer, MS, PA for Medicare patients.

aspiration	125
doctor visit	316
injections	125
joint surgery	31
lower extremity surgery	31
musculoskeletal imaging	34
reconstructive surgery	31
X-rays	34

2020 Medicare Patient Data

Information about Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA.

**Gender**
Male	93
Female	237

**Ethnicity**
Non-Hispanic White	302
Black	17
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	109
85 and over	49
Less than 65	28

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2020

Hypertension	71
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	37
Depression	31
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	34
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Mr. Benjamin Williams Diffenderfer, MS, PA treated as in Bel Air, MD during 2021 were aspiration, injections, X-rays and musculoskeletal imaging.

Volume of procedures performed by Mr. Benjamin Williams Diffenderfer, MS, PA for Medicare patients.

aspiration	122
debridement (removal of unhealthy tissue)	14
doctor visit	338
fracture surgery	16
injections	122
joint surgery	49
lower extremity surgery	51
minimally invasive procedures	14
musculoskeletal imaging	75
reconstructive surgery	35
upper extremity surgery	14
X-rays	75

2021 Medicare Patient Data

Information about Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA.

**Gender**
Male	100
Female	266

**Ethnicity**
Non-Hispanic White	345
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	147
From 75 to 84	132
85 and over	56
Less than 65	31

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2021

Hypertension	73
High Cholesterol	74
Stroke	4
Ischemic Heart Disease	34
Depression	25
Chronic Kidney Disease	25
Asthma	7
Osteoperosis	40
Atrial Fibrilation	16
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Mr. Benjamin Williams Diffenderfer, MS, PA treated as in Bel Air, MD during 2022 were aspiration, injections, lower extremity surgery and reconstructive surgery.

Volume of procedures performed by Mr. Benjamin Williams Diffenderfer, MS, PA for Medicare patients.

aspiration	77
doctor visit	513
fracture surgery	14
hospital care	24
injections	77
inpatient care	24
joint surgery	57
lower extremity surgery	71
musculoskeletal imaging	30
reconstructive surgery	57
X-rays	30

2022 Medicare Patient Data

Information about Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA.

**Gender**
Male	87
Female	344

**Ethnicity**
Non-Hispanic White	383
Black	25
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	180
85 and over	58
Less than 65	20

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	28
Depression	30
Chronic Kidney Disease	17
Asthma	9
Osteoperosis	56
Atrial Fibrilation	18
Heart Failure	11
Chronic Obstructive Pulmonary Disease	16
Diabetes	21
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Mr. Benjamin Williams Diffenderfer, MS, PA for Medicare patients.

The highest averages for the top procedures that Mr. Benjamin Williams Diffenderfer, MS, PA treated as in Bel Air, MD were aspiration, injections, joint surgery and lower extremity surgery.

aspiration	99
debridement (removal of unhealthy tissue)	18
decompression surgery	15
doctor visit	259
fracture surgery	18
hospital care	36
injections	99
inpatient care	36
joint surgery	77
lower extremity surgery	70
minimally invasive procedures	27
musculoskeletal imaging	46
open surgery	17
reconstructive surgery	62
upper extremity surgery	27
X-rays	46

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA.

**Gender**
Male	105
Female	231

**Ethnicity**
Black / African American	13
Asian / Pacific Islander	0
Non-Hispanic White	307
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	112
85 and over	58
Less than 65	32
65 to 74	133

Average of Total of Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Mr. Benjamin Williams Diffenderfer, MS, PA treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	67
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	34
Depression	27
Chronic Kidney Disease	26
Asthma	9
Osteoporosis	24
Heart Failure	15
Chronic Obstructive Pulmonary Disease	17
Diabetes	28
Atrial Fibrillation	14
Dementia	13
Cancer	12

Education & Training

He has a state license in Maryland.

Licensed In: Maryland

Affiliations & Hospitals

Mr. Benjamin Williams Diffenderfer, MS, PA is associated with these hospitals and organizations:

University of Maryland Medical System

Ratings & Reviews

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General Payments

These charts describe general payments received by Mr. Benjamin Williams Diffenderfer, MS, PA. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
UCB, Inc.	$2,140 $2,140
Radius Health, Inc.	$140 Tymlos $140
Amgen Inc.	$68 Prolia $68
Vericel Corporation	$23 MACI $23

**Types of Payments**
Consulting Fee	$2,040
Food and Beverage	$268
Education	$63

Biography

Mr. Benjamin Diffenderfer's area of specialization is orthopedics/orthopedic surgery. Areas of expertise for Mr. Diffenderfer include injuries and sports health. He is affiliated with the University of Maryland Medical System.

Select Year:

Mr. Benjamin Williams Diffenderfer, MS, PA

Office Locations

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 Mr. Benjamin Williams Diffenderfer, MS, PA in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Mr. Benjamin Williams Diffenderfer, MS, PA 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 Mr. Benjamin Williams Diffenderfer, MS, PA From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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