In 2012, among providers in related specialties within Pennsylvania, Dr. Mark Edward Folk, DO performed more A1C test, and lab tests procedures for Medicare patients than 75% of them and he also had a list price for A1C test, blood tests, diabetes management, diabetes screening, and glycated protein test 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 Edward Folk, DO treated as a family medicine practitioner in Schaefferstown, PA during 2012 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Mark Edward Folk, DO for Medicare patients.

diabetes management	148
doctor visit	1319
ear procedures	12
lab tests	168
nursing home care	145
preventive care	338
vaccines	190

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Edward Folk, DO treated as a family medicine practitioner in Schaefferstown, PA during 2013 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Mark Edward Folk, DO for Medicare patients.

diabetes management	172
doctor visit	1253
lab tests	203
nursing home care	148
preventive care	391
vaccines	219

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Edward Folk, DO.

**Gender**
Male	193
Female	260

**Age**
From 65 to 74	188
From 75 to 84	144
85 and over	97
Less than 65	24

Conditions of Medicare patients treated by Dr. Mark Edward Folk, DO in 2013

Hypertension	74
High Cholesterol	45
Stroke	5
Ischemic Heart Disease	32
Depression	16
Chronic Kidney Disease	19
Asthma	3
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	31
Dementia	17
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Edward Folk, DO treated as a family medicine practitioner in Schaefferstown, PA during 2014 were preventive care, vaccines, lab tests and nursing home care.

Volume of procedures performed by Dr. Mark Edward Folk, DO for Medicare patients.

diabetes management	146
doctor visit	1075
ear procedures	12
lab tests	166
nursing home care	150
preventive care	378
vaccines	232

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Edward Folk, DO.

**Gender**
Male	193
Female	259

**Age**
From 65 to 74	192
From 75 to 84	148
85 and over	92
Less than 65	20

Conditions of Medicare patients treated by Dr. Mark Edward Folk, DO in 2014

Hypertension	75
High Cholesterol	47
Stroke	5
Ischemic Heart Disease	32
Depression	15
Chronic Kidney Disease	18
Asthma	3
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	30
Dementia	16
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Edward Folk, DO treated as a family medicine practitioner in Schaefferstown, PA during 2015 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Mark Edward Folk, DO for Medicare patients.

diabetes management	133
doctor visit	970
lab tests	151
nursing home care	116
preventive care	476
vaccines	343

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Edward Folk, DO.

**Gender**
Male	374
Female	472

**Age**
From 65 to 74	354
From 75 to 84	268
85 and over	186
Less than 65	38

Conditions of Medicare patients treated by Dr. Mark Edward Folk, DO in 2015

Hypertension	74
High Cholesterol	41
Stroke	6
Ischemic Heart Disease	33
Depression	17
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	30
Dementia	18
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Edward Folk, DO treated as a family medicine practitioner in Schaefferstown, PA during 2016 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Mark Edward Folk, DO for Medicare patients.

counseling services	33
diabetes management	141
doctor visit	1080
lab tests	164
preventive care	456
vaccines	267

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Edward Folk, DO.

**Gender**
Male	194
Female	218

**Age**
From 65 to 74	169
From 75 to 84	137
85 and over	83
Less than 65	23

Conditions of Medicare patients treated by Dr. Mark Edward Folk, DO in 2016

Hypertension	74
High Cholesterol	41
Stroke	3
Ischemic Heart Disease	33
Depression	21
Chronic Kidney Disease	28
Asthma	15
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Dementia	17
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Edward Folk, DO treated as a family medicine practitioner in Schaefferstown, PA during 2017 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Mark Edward Folk, DO for Medicare patients.

diabetes management	150
doctor visit	1130
lab tests	176
preventive care	407
vaccines	238

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Edward Folk, DO.

**Gender**
Male	196
Female	233

**Ethnicity**
Non-Hispanic White	418
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	179
From 75 to 84	133
85 and over	95
Less than 65	22

Conditions of Medicare patients treated by Dr. Mark Edward Folk, DO in 2017

Hypertension	75
High Cholesterol	35
Stroke	4
Ischemic Heart Disease	33
Depression	24
Chronic Kidney Disease	30
Asthma	5
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	30
Dementia	19
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Edward Folk, DO treated as a family medicine practitioner in Schaefferstown, PA during 2018 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Mark Edward Folk, DO for Medicare patients.

diabetes management	141
doctor visit	1194
lab tests	159
preventive care	367
vaccines	208

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Edward Folk, DO.

**Gender**
Male	192
Female	227

**Ethnicity**
Non-Hispanic White	404
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	170
From 75 to 84	142
85 and over	85
Less than 65	22

Conditions of Medicare patients treated by Dr. Mark Edward Folk, DO in 2018

Hypertension	75
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	31
Depression	26
Chronic Kidney Disease	30
Asthma	4
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	18
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Edward Folk, DO treated as a family medicine practitioner in Schaefferstown, PA during 2019 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Mark Edward Folk, DO for Medicare patients.

diabetes management	144
doctor visit	1100
lab tests	166
preventive care	327
vaccines	168

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Edward Folk, DO.

**Gender**
Male	191
Female	229

**Ethnicity**
Non-Hispanic White	408
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	165
From 75 to 84	149
85 and over	87
Less than 65	19

Conditions of Medicare patients treated by Dr. Mark Edward Folk, DO in 2019

Hypertension	75
High Cholesterol	52
Stroke	5
Ischemic Heart Disease	31
Depression	24
Chronic Kidney Disease	29
Asthma	5
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark Edward Folk, DO treated as a family medicine practitioner in Schaefferstown, PA during 2020 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Mark Edward Folk, DO for Medicare patients.

diabetes management	126
doctor visit	878
lab tests	126
preventive care	273
vaccines	136

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Edward Folk, DO.

**Gender**
Male	185
Female	192

**Ethnicity**
Non-Hispanic White	363
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	139
85 and over	73
Less than 65	16

Conditions of Medicare patients treated by Dr. Mark Edward Folk, DO in 2020

Hypertension	74
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	33
Depression	25
Chronic Kidney Disease	31
Asthma	5
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark Edward Folk, DO treated as a family medicine practitioner in Schaefferstown, PA during 2021 were lab tests, preventive care, diabetes management and vaccines.

Volume of procedures performed by Dr. Mark Edward Folk, DO for Medicare patients.

diabetes management	127
doctor visit	864
lab tests	147
preventive care	141
vaccines	14

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Edward Folk, DO.

**Gender**
Male	177
Female	177

**Ethnicity**
Non-Hispanic White	340
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	141
85 and over	60
Less than 65	11

Conditions of Medicare patients treated by Dr. Mark Edward Folk, DO in 2021

Hypertension	75
High Cholesterol	55
Stroke	7
Ischemic Heart Disease	34
Depression	24
Chronic Kidney Disease	33
Asthma	6
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark Edward Folk, DO treated as a family medicine practitioner in Schaefferstown, PA during 2022 were lab tests, preventive care and diabetes management.

Volume of procedures performed by Dr. Mark Edward Folk, DO for Medicare patients.

diabetes management	108
doctor visit	851
lab tests	135
preventive care	108

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Edward Folk, DO.

**Gender**
Male	161
Female	183

**Ethnicity**
Non-Hispanic White	329
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	132
85 and over	58
Less than 65	12

Conditions of Medicare patients treated by Dr. Mark Edward Folk, DO in 2022

Hypertension	75
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	28
Depression	21
Chronic Kidney Disease	23
Asthma	8
Osteoperosis	15
Atrial Fibrilation	18
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	10
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark Edward Folk, DO for Medicare patients.

The highest averages for the top procedures that Dr. Mark Edward Folk, DO treated as a family medicine practitioner in Schaefferstown, PA were preventive care, vaccines, lab tests and nursing home care.

counseling services	33
diabetes management	139
doctor visit	1064
ear procedures	12
lab tests	160
nursing home care	139
preventive care	332
vaccines	201

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark Edward Folk, DO.

**Gender**
Male	186
Female	222

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	205
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	139
85 and over	83
Less than 65	18
65 to 74	168

Average of Total of Conditions of Medicare patients treated by Dr. Mark Edward Folk, DO From 2012 - 2022

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

Hypertension	67
High Cholesterol	44
Stroke	4
Ischemic Heart Disease	29
Depression	19
Chronic Kidney Disease	23
Asthma	5
Osteoporosis	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Atrial Fibrillation	12
Cancer	11
Dementia	14

Education & Training

He completed residency at The Reading Hospital and Medical Center. He is certified by the American Board of Family Medicine and has a state license in Pennsylvania.

Residency: The Reading Hospital and Medical Center (1989)

Board Certification: American Board of Family Medicine

Licensed In: Pennsylvania

Ratings & Reviews

Dr. Mark Edward Folk, DO has an exceptional overall rating with an average of 5.0 out of 5 stars based on 10 ratings. We collect ratings and reviews of Dr. Mark Edward Folk, DO from all over the web to help you find the right in Schaefferstown, PA.

Overall Rating

(10 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2025-04-19

Patient verified via Press Ganey

Dr. Folk is a great diagnosticion. He listens to your needs and makes his decision from his experience and your needs.

Overall Rating: 5.0 2025-09-07

Patient verified via Press Ganey

He knows I don't understand all my particular needs and my health concerns

Overall Rating: 5.0 2025-07-07

Patient verified via Press Ganey

He is the best doctor been going to him for 30 years.

Overall Rating: 5.0 2025-08-17

Patient verified via Press Ganey

Dr Folk and office staff are wonderful .

Overall Rating: 5.0 2026-01-14

Patient verified via Press Ganey

Always a good experience

Overall Rating: 5.0 2026-02-17

Patient verified via Press Ganey

Good know me well

Overall Rating: 5.0 2025-06-13

Patient verified via Press Ganey

Very good.

Overall Rating: 5.0 2025-08-14

Patient verified via Press Ganey

Good

Overall Rating: 5.0 2025-06-25

Patient verified via Press Ganey

Good

Overall Rating: 5.0 2025-06-25

Patient verified via Press Ganey

Good

General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$1,589 FARXIGA $820	SYMBICORT $406	BREZTRI $218	BYDUREON WEEKLY $38	CRESTOR $25	Other $82
Novo Nordisk Inc	$1,391 Ozempic $514	Tresiba $302	RYBELSUS $220	Victoza $167	Saxenda $40	Other $147
Boehringer Ingelheim Pharmaceuticals, Inc.	$874 SPIRIVA RESPIMAT $208	STIOLTO $181	SYNJARDY $102	JARDIANCE $94	GLYXAMBI $69	Other $220
Merck Sharp & Dohme Corporation	$783 JANUMET XR $189	DULERA $139	GARDASIL9 $108	STEGLATRO $101	BELSOMRA $50	Other $197
GlaxoSmithKline, LLC.	$750 TRELEGY ELLIPTA $175	ANORO $156	BEXSERO $125	SHINGRIX $69	PEDIARIX $68	Other $158
Other	$3,346 Repatha $187	JARDIANCE $185	TOUJEO $183	BASAGLAR $149	UBRELVY $147	Other $2,494

**Types of Payments**
Food and Beverage	$8,638
Education	$78
Gift	$17

Biography

Dr. Mark Folk specializes in family medicine. He obtained his medical school training at Philadelphia College of Osteopathic Medicine and performed his residency at The Reading Hospital and Medical Center. He is rated 5.0 stars (out of 5) by his patients. Dr. Folk is affiliated with WellSpan Medical Group. He has an open panel in Schaefferstown, PA according to Doctor.com.