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Home > NH Providers > Family Physicians & Family Medicine Specialists

Dr. Mark L. Timmerman, MD, FAAFP

Accepting New Patients

(Dr. Mark L. Timmerman, MD, FAAFP)

(4 Ratings)

Specializes in: Family Medicine

University of Iowa, Carver College of Medicine (1983)

454 Daniel Webster Highway Suite E
Merrimack, NH 03054

(603) 424-8120

Dr. Mark L. Timmerman, MD, FAAFP is a family medicine practitioner in Merrimack, NH specializing in family medicine. He graduated from University of Iowa, Carver College of Medicine in 1983 and has 43 years of experience.

Office Locations

454 Daniel Webster Highway Suite E
Merrimack, NH 03054

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Noteworthy Medicare Patient Procedures Performed by Dr. Mark L. Timmerman, MD, FAAFP in 2023

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

Top 5%

By Volume:

urinalysis

In 2023, Dr. Mark L. Timmerman, MD, FAAFP performed more urinalysis procedures for Medicare patients than 95% of providers in related specialties within New Hampshire.

Top 25%

By Volume:

fecal occult blood test

screening stool guaiac test

By Affordability:

lab tests

urine tests

In 2012, among providers in related specialties within New Hampshire, Dr. Mark L. Timmerman, MD, FAAFP performed more fecal occult blood test (FOBT), and screening stool guaiac test (gFOBT) procedures for Medicare patients than 75% of them and he also had a list price for lab tests, and urine tests 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 L. Timmerman, MD, FAAFP treated as a family medicine practitioner in Merrimack, NH during 2012 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Mark L. Timmerman, MD, FAAFP for Medicare patients.

doctor visit	512
lab tests	29
preventive care	101
vaccines	72

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark L. Timmerman, MD, FAAFP treated as a family medicine practitioner in Merrimack, NH during 2013 were preventive care, lab tests and vaccines.

Volume of procedures performed by Dr. Mark L. Timmerman, MD, FAAFP for Medicare patients.

doctor visit	516
lab tests	84
preventive care	127
vaccines	72

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP.

**Gender**
Male	94
Female	80

**Age**
From 65 to 74	98
From 75 to 84	40
85 and over	12
Less than 65	24

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2013

Hypertension	59
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	21
Depression	16
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	24
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark L. Timmerman, MD, FAAFP treated as a family medicine practitioner in Merrimack, NH during 2014 were preventive care, lab tests and vaccines.

Volume of procedures performed by Dr. Mark L. Timmerman, MD, FAAFP for Medicare patients.

doctor visit	468
lab tests	134
preventive care	155
vaccines	78

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP.

**Gender**
Male	90
Female	79

**Age**
From 65 to 74	92
From 75 to 84	41
85 and over	13
Less than 65	23

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2014

Hypertension	59
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	20
Depression	13
Chronic Kidney Disease	17
Asthma	9
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	7
Chronic Obstructive Pulmonary Disease	12
Diabetes	23
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark L. Timmerman, MD, FAAFP treated as a family medicine practitioner in Merrimack, NH during 2015 were preventive care, lab tests and vaccines.

Volume of procedures performed by Dr. Mark L. Timmerman, MD, FAAFP for Medicare patients.

doctor visit	491
lab tests	157
preventive care	214
vaccines	120

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP.

**Gender**
Male	200
Female	162

**Age**
From 65 to 74	208
From 75 to 84	78
85 and over	26
Less than 65	50

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2015

Hypertension	56
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	19
Depression	11
Chronic Kidney Disease	19
Asthma	9
Osteoperosis	6
Atrial Fibrilation	6
Heart Failure	0
Chronic Obstructive Pulmonary Disease	11
Diabetes	23
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark L. Timmerman, MD, FAAFP treated as a family medicine practitioner in Merrimack, NH during 2016 were lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Mark L. Timmerman, MD, FAAFP for Medicare patients.

doctor visit	498
lab tests	210
preventive care	202
vaccines	121

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP.

**Gender**
Male	94
Female	82

**Age**
From 65 to 74	100
From 75 to 84	37
85 and over	15
Less than 65	24

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2016

Hypertension	67
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	22
Depression	13
Chronic Kidney Disease	24
Asthma	14
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	13
Diabetes	21
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark L. Timmerman, MD, FAAFP treated as a family medicine practitioner in Merrimack, NH during 2017 were lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Mark L. Timmerman, MD, FAAFP for Medicare patients.

doctor visit	365
lab tests	143
preventive care	134
vaccines	85

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP.

**Gender**
Male	83
Female	74

**Age**
From 65 to 74	92
From 75 to 84	41
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2017

Hypertension	64
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	25
Depression	15
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	0
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	13
Diabetes	21
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark L. Timmerman, MD, FAAFP treated as a family medicine practitioner in Merrimack, NH during 2018 were lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Mark L. Timmerman, MD, FAAFP for Medicare patients.

doctor visit	202
lab tests	98
preventive care	88
vaccines	55

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP.

**Gender**
Male	41
Female	41

**Age**
From 65 to 74	44
From 75 to 84	26
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2018

Hypertension	57
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	27
Depression	13
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	20
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark L. Timmerman, MD, FAAFP treated as a family medicine practitioner in Merrimack, NH during 2019 were lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Mark L. Timmerman, MD, FAAFP for Medicare patients.

doctor visit	228
lab tests	92
preventive care	48
vaccines	16

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP.

**Gender**
Male	42
Female	32

**Age**
From 65 to 74	43
From 75 to 84	19
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2019

Hypertension	62
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	23
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark L. Timmerman, MD, FAAFP treated as a family medicine practitioner in Merrimack, NH during 2020 were lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Mark L. Timmerman, MD, FAAFP for Medicare patients.

doctor visit	113
lab tests	67
preventive care	55
vaccines	30

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP.

**Gender**
Male	43
Female	28

**Age**
From 65 to 74	42
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2020

Hypertension	55
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	27
Depression	21
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark L. Timmerman, MD, FAAFP treated as a family medicine practitioner in Merrimack, NH during 2021 were lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Mark L. Timmerman, MD, FAAFP for Medicare patients.

doctor visit	138
lab tests	90
preventive care	53
vaccines	22

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP.

**Gender**
Male	40
Female	34

**Age**
From 65 to 74	41
From 75 to 84	22
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2021

Hypertension	54
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	24
Depression	0
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark L. Timmerman, MD, FAAFP treated as a family medicine practitioner in Merrimack, NH during 2022 were lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Mark L. Timmerman, MD, FAAFP for Medicare patients.

doctor visit	113
lab tests	86
preventive care	48
vaccines	17

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP.

**Gender**
Male	42
Female	32

**Age**
From 65 to 74	44
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2022

Hypertension	66
High Cholesterol	73
Stroke	0
Ischemic Heart Disease	15
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	15
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	15
Diabetes	22
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark L. Timmerman, MD, FAAFP for Medicare patients.

The highest averages for the top procedures that Dr. Mark L. Timmerman, MD, FAAFP treated as a family medicine practitioner in Merrimack, NH were preventive care, lab tests and vaccines.

doctor visit	331
lab tests	108
preventive care	111
vaccines	62

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP.

**Gender**
Male	69
Female	58

**Age**
75 to 84	27
85 and over	6
Less than 65	11
65 to 74	73

Average of Total of Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mark L. Timmerman, MD, FAAFP treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	54
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	20
Depression	10
Chronic Kidney Disease	16
Asthma	3
Osteoporosis	2
Heart Failure	2
Chronic Obstructive Pulmonary Disease	8
Diabetes	20
Atrial Fibrillation	2
Cancer	5
Dementia	1

Education & Training

Dr. Mark L. Timmerman, MD, FAAFP graduated from University of Iowa, Carver College of Medicine in 1983. He completed residency at Conemaugh Health System. He is certified by the American Board of Family Medicine and has a state license in New Hampshire.

Medical School: University of Iowa, Carver College of Medicine (1983)

Residency: Conemaugh Health System (1987)

Board Certification: American Board of Family Medicine

Licensed In: New Hampshire

Ratings & Reviews

Dr. Mark L. Timmerman, MD, FAAFP has an exceptional overall rating with an average of 5.0 out of 5 stars based on 4 ratings. We collect ratings and reviews of Dr. Mark L. Timmerman, MD, FAAFP from all over the web to help you find the right in Merrimack, NH.

Overall Rating

(4 Ratings)

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$2,442 FARXIGA $1,412	BYDUREON PEN $206	ONGLYZA $173	SYMBICORT $165	BYDUREON $97	Other $388
Allergan Inc.	$1,772 VRAYLAR $1,040	VIBERZI $336	BYSTOLIC $262	LINZESS $125	FETZIMA $9
Lilly USA, LLC	$1,493 BASAGLAR $338	JARDIANCE $239	GLYXAMBI $224	TRULICITY $149	AXIRON $142	Other $401
Boehringer Ingelheim Pharmaceuticals, Inc.	$1,382 SPIRIVA RESPIMAT $453	JARDIANCE $260	GLYXAMBI $178	STIOLTO $115	COMBIVENT RESPIMAT $103	Other $274
Merck Sharp & Dohme Corporation	$1,054 GARDASIL9 $257	DULERA $241	JANUMET XR $166	BELSOMRA $99	GARDASIL 9 $86	Other $205
Other	$9,948 VRAYLAR $711	INVOKANA $514	DALIRESP $428	Osphena $397	XARELTO $394	Other $7,505

**Types of Payments**
Food and Beverage	$17,835
Education	$256

Biography

Dr. Mark Timmerman specializes in family medicine and practices in Merrimack, NH. Dr. Timmerman is rated 5.0 stars (out of 5) by his patients. He is affiliated with Catholic Medical Center. According to Yext, new patients are welcome to contact his office in Merrimack, NH. Dr. Timmerman graduated from the University of Iowa, Carver College of Medicine. His residency was performed at Conemaugh Health System.

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Dr. Mark L. Timmerman, MD, FAAFP

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Mark L. Timmerman, MD, FAAFP in 2023

By Volume:

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 L. Timmerman, MD, FAAFP in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark L. Timmerman, MD, FAAFP 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 L. Timmerman, MD, FAAFP From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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