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Dr. Marc J. Clapper, DO

(Dr. Marc Joseph Clapper, D.O.)

(No ratings)

Specializes in: Pathology

Lake Erie College of Osteopathic Medicine (2006)

1086 Franklin Street
Johnstown, PA 15905

(814) 534-9892

Dr. Marc J. Clapper, DO is a pathologist in Johnstown, PA specializing in pathology. He graduated from Lake Erie College of Osteopathic Medicine in 2006 and has 20 years of experience. Dr. Marc J. Clapper, DO is affiliated with University of Pittsburgh Physicians.

Office Locations

1086 Franklin Street
Johnstown, PA 15905

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Noteworthy Medicare Patient Procedures Performed by Dr. Marc J. Clapper, DO in 2023

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

Top 10%

By Affordability:

consultation

intraoperative pathology consultation

In 2023, Dr. Marc J. Clapper, DO had a list price for consultation, and intraoperative pathology consultation that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Pennsylvania. 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:

immunohistochemistry test

In 2012, Dr. Marc J. Clapper, DO performed more immunohistochemistry (IHC) test procedures for Medicare patients than 75% of providers in related specialties within Pennsylvania.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Marc J. Clapper, DO treated as a pathologist in Johnstown, PA during 2012 were lab tests and cytology.

Volume of procedures performed by Dr. Marc J. Clapper, DO for Medicare patients.

cytology	13
lab tests	40

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Marc J. Clapper, DO treated as a pathologist in Johnstown, PA during 2013 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Marc J. Clapper, DO for Medicare patients.

consultation	22
cytology	77
lab tests	434

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc J. Clapper, DO.

**Gender**
Male	293
Female	403

**Ethnicity**
Non-Hispanic White	679
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	261
From 75 to 84	181
85 and over	75
Less than 65	179

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2013

Hypertension	75
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	49
Depression	32
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	10
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Marc J. Clapper, DO treated as a pathologist in Johnstown, PA during 2014 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Marc J. Clapper, DO for Medicare patients.

consultation	38
cytology	130
lab tests	189

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc J. Clapper, DO.

**Gender**
Male	255
Female	388

**Ethnicity**
Non-Hispanic White	630
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	218
From 75 to 84	169
85 and over	75
Less than 65	181

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2014

Hypertension	73
High Cholesterol	65
Stroke	6
Ischemic Heart Disease	49
Depression	32
Chronic Kidney Disease	31
Asthma	9
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	28
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Dementia	10
Cancer	17

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Marc J. Clapper, DO treated as a pathologist in Johnstown, PA during 2015 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Marc J. Clapper, DO for Medicare patients.

consultation	36
cytology	146
lab tests	257

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc J. Clapper, DO.

**Gender**
Male	504
Female	820

**Ethnicity**
Non-Hispanic White	1278
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	564
From 75 to 84	332
85 and over	128
Less than 65	300

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2015

Hypertension	71
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	51
Depression	36
Chronic Kidney Disease	32
Asthma	17
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	27
Diabetes	38
Dementia	11
Cancer	20

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Marc J. Clapper, DO treated as a pathologist in Johnstown, PA during 2016 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Marc J. Clapper, DO for Medicare patients.

consultation	76
cytology	196
lab tests	264

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc J. Clapper, DO.

**Gender**
Male	298
Female	420

**Ethnicity**
Non-Hispanic White	694
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	323
From 75 to 84	167
85 and over	84
Less than 65	144

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2016

Hypertension	75
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	54
Depression	31
Chronic Kidney Disease	38
Asthma	28
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	27
Chronic Obstructive Pulmonary Disease	27
Diabetes	38
Dementia	11
Cancer	21

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Marc J. Clapper, DO treated as a pathologist in Johnstown, PA during 2017 were cytology, lab tests and consultation.

Volume of procedures performed by Dr. Marc J. Clapper, DO for Medicare patients.

consultation	37
cytology	186
lab tests	162

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc J. Clapper, DO.

**Gender**
Male	266
Female	375

**Ethnicity**
Non-Hispanic White	626
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	306
From 75 to 84	153
85 and over	58
Less than 65	124

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2017

Hypertension	75
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	50
Depression	33
Chronic Kidney Disease	39
Asthma	11
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	26
Diabetes	40
Dementia	9
Cancer	21

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Marc J. Clapper, DO treated as a pathologist in Johnstown, PA during 2018 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Marc J. Clapper, DO for Medicare patients.

consultation	41
cytology	248
lab tests	322

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc J. Clapper, DO.

**Gender**
Male	275
Female	390

**Ethnicity**
Non-Hispanic White	644
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	318
From 75 to 84	158
85 and over	67
Less than 65	122

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2018

Hypertension	75
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	60
Depression	30
Chronic Kidney Disease	45
Asthma	10
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	29
Chronic Obstructive Pulmonary Disease	31
Diabetes	40
Dementia	14
Cancer	24

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Marc J. Clapper, DO treated as a pathologist in Johnstown, PA during 2019 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Marc J. Clapper, DO for Medicare patients.

consultation	60
cytology	274
lab tests	345

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc J. Clapper, DO.

**Gender**
Male	307
Female	436

**Ethnicity**
Non-Hispanic White	721
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	369
From 75 to 84	175
85 and over	84
Less than 65	115

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2019

Hypertension	75
High Cholesterol	70
Stroke	10
Ischemic Heart Disease	57
Depression	32
Chronic Kidney Disease	44
Asthma	10
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	27
Chronic Obstructive Pulmonary Disease	26
Diabetes	38
Dementia	12
Cancer	22

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Marc J. Clapper, DO treated as a pathologist in Johnstown, PA during 2020 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Marc J. Clapper, DO for Medicare patients.

consultation	23
cytology	164
lab tests	342

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc J. Clapper, DO.

**Gender**
Male	243
Female	304

**Ethnicity**
Non-Hispanic White	530
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	268
From 75 to 84	153
85 and over	47
Less than 65	79

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2020

Hypertension	75
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	55
Depression	32
Chronic Kidney Disease	40
Asthma	9
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	23
Diabetes	37
Dementia	12
Cancer	21

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Marc J. Clapper, DO treated as a pathologist in Johnstown, PA during 2021 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Marc J. Clapper, DO for Medicare patients.

consultation	59
cytology	179
lab tests	334

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc J. Clapper, DO.

**Gender**
Male	256
Female	337

**Ethnicity**
Non-Hispanic White	574
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	316
From 75 to 84	149
85 and over	58
Less than 65	70

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2021

Hypertension	75
High Cholesterol	69
Stroke	9
Ischemic Heart Disease	63
Depression	31
Chronic Kidney Disease	47
Asthma	9
Osteoperosis	13
Atrial Fibrilation	18
Heart Failure	29
Chronic Obstructive Pulmonary Disease	23
Diabetes	37
Dementia	11
Cancer	22

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Marc J. Clapper, DO treated as a pathologist in Johnstown, PA during 2022 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Marc J. Clapper, DO for Medicare patients.

consultation	11
cytology	198
lab tests	224

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc J. Clapper, DO.

**Gender**
Male	217
Female	244

**Ethnicity**
Non-Hispanic White	445
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	235
From 75 to 84	133
85 and over	35
Less than 65	58

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2022

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	42
Depression	31
Chronic Kidney Disease	29
Asthma	14
Osteoperosis	15
Atrial Fibrilation	23
Heart Failure	22
Chronic Obstructive Pulmonary Disease	28
Diabetes	30
Dementia	9
Cancer	31

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Marc J. Clapper, DO for Medicare patients.

The highest averages for the top procedures that Dr. Marc J. Clapper, DO treated as a pathologist in Johnstown, PA were lab tests, cytology and consultation.

consultation	40
cytology	164
lab tests	264

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Marc J. Clapper, DO.

**Gender**
Male	264
Female	374

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	620
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	160
85 and over	64
Less than 65	124
65 to 74	288

Average of Total of Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Marc J. Clapper, DO treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	67
High Cholesterol	60
Stroke	7
Ischemic Heart Disease	48
Depression	29
Chronic Kidney Disease	34
Asthma	11
Osteoporosis	10
Heart Failure	24
Chronic Obstructive Pulmonary Disease	23
Diabetes	33
Atrial Fibrillation	15
Dementia	9
Cancer	19

Education & Training

Dr. Marc J. Clapper, DO graduated from Lake Erie College of Osteopathic Medicine in 2006. He has a state license in Pennsylvania.

Medical School: Lake Erie College of Osteopathic Medicine (2006)

Licensed In: Pennsylvania

Affiliations & Hospitals

Dr. Marc J. Clapper, DO is associated with these hospitals and organizations:

University of Pittsburgh Physicians

Ratings & Reviews

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Biography

Dr. Marc Clapper, who practices in Johnstown, PA, is a medical specialist in general practice and pathology. Dr. Clapper is professionally affiliated with the University of Pittsburgh Physicians. He graduated from Lake Erie College of Osteopathic Medicine.

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Dr. Marc J. Clapper, DO

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Marc J. Clapper, DO in 2023

By Affordability:

By Volume:

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. Marc J. Clapper, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marc J. Clapper, DO 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. Marc J. Clapper, DO From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

Biography

Pathologists in Nearby Locations

Other Providers in Johnstown, PA