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Home > NH Providers > Dermatologists

Dr. Andrew E. Werchniak, MD

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Specializes in: Dermatology (Skin Disorders)

University of Virginia School of Medicine

171 Pleasant Street Suite 101
Concord, NH 03301

(603) 609-9344

Dr. Andrew E. Werchniak, MD is a dermatologist in Exeter, NH specializing in dermatology (skin disorders). He graduated from University of Virginia School of Medicine. Dr. Andrew E. Werchniak, MD is affiliated with Wentworth-Douglass Hospital and FOREFRONT DERMATOLOGY - NEW HAMPSHIRE, PLLC.

Office Locations

Wentworth-Douglass Hospital

1 Hampton Road Building B, Suite 208
Exeter, NH 03833

(603) 431-5205

(603) 436-4257

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171 Pleasant Street Suite 101
Concord, NH 03301

(603) 609-9344

(603) 836-0147

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330 Borthwick Avenue Suite 303, Jackson Grey Building
Portsmouth, NH 03801

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750 Central Avenue Suite O
Dover, NH 03820

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Noteworthy Medicare Patient Procedures Performed by Dr. Andrew E. Werchniak, MD in 2023

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

Top 5%

By Volume:

ear biopsy

removal of skin lesion

In 2023, Dr. Andrew E. Werchniak, MD performed more ear biopsy, and removal of skin lesion (growth or mark) procedures for Medicare patients than 95% of providers in related specialties within New Hampshire.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Andrew E. Werchniak, MD treated as a dermatologist in Exeter, NH during 2012 were removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. Andrew E. Werchniak, MD for Medicare patients.

diagnostic procedures	91
doctor visit	650
removal of lesion (e.g. growth)	235
skin procedures	235

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Andrew E. Werchniak, MD treated as a dermatologist in Exeter, NH during 2013 were removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. Andrew E. Werchniak, MD for Medicare patients.

diagnostic procedures	93
doctor visit	692
removal of lesion (e.g. growth)	264
skin procedures	264

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew E. Werchniak, MD.

**Gender**
Male	217
Female	203

**Ethnicity**
Non-Hispanic White	393
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	211
From 75 to 84	131
85 and over	52
Less than 65	26

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2013

Hypertension	62
High Cholesterol	45
Stroke	3
Ischemic Heart Disease	29
Depression	19
Chronic Kidney Disease	16
Asthma	8
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	17
Dementia	3
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Andrew E. Werchniak, MD treated as a dermatologist in Exeter, NH during 2014 were removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. Andrew E. Werchniak, MD for Medicare patients.

diagnostic procedures	107
doctor visit	737
removal of lesion (e.g. growth)	280
skin procedures	280

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew E. Werchniak, MD.

**Gender**
Male	241
Female	215

**Ethnicity**
Non-Hispanic White	438
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	149
85 and over	42
Less than 65	25

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2014

Hypertension	58
High Cholesterol	41
Stroke	4
Ischemic Heart Disease	27
Depression	16
Chronic Kidney Disease	17
Asthma	6
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	10
Chronic Obstructive Pulmonary Disease	6
Diabetes	16
Dementia	5
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Andrew E. Werchniak, MD treated as a dermatologist in Exeter, NH during 2015 were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and ear procedures.

Volume of procedures performed by Dr. Andrew E. Werchniak, MD for Medicare patients.

diagnostic procedures	258
doctor visit	1280
ear procedures	14
removal of lesion (e.g. growth)	472
skin procedures	472

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew E. Werchniak, MD.

**Gender**
Male	756
Female	868

**Ethnicity**
Non-Hispanic White	1578
Black	0
Hispanic	0
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	726
From 75 to 84	528
85 and over	244
Less than 65	126

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2015

Hypertension	59
High Cholesterol	54
Stroke	3
Ischemic Heart Disease	25
Depression	18
Chronic Kidney Disease	16
Asthma	8
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	5
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Andrew E. Werchniak, MD treated as a dermatologist in Exeter, NH during 2016 were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and ear procedures.

Volume of procedures performed by Dr. Andrew E. Werchniak, MD for Medicare patients.

diagnostic procedures	368
doctor visit	1807
ear procedures	24
injections	19
removal of lesion (e.g. growth)	782
skin procedures	782

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew E. Werchniak, MD.

**Gender**
Male	504
Female	544

**Ethnicity**
Non-Hispanic White	1013
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	480
From 75 to 84	308
85 and over	167
Less than 65	93

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2016

Hypertension	63
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	27
Depression	20
Chronic Kidney Disease	20
Asthma	13
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	24
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Andrew E. Werchniak, MD treated as a dermatologist in Exeter, NH during 2017 were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and ear procedures.

Volume of procedures performed by Dr. Andrew E. Werchniak, MD for Medicare patients.

diagnostic procedures	433
doctor visit	1875
ear procedures	27
removal of lesion (e.g. growth)	906
skin procedures	906

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew E. Werchniak, MD.

**Gender**
Male	604
Female	586

**Ethnicity**
Non-Hispanic White	1143
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	574
From 75 to 84	365
85 and over	172
Less than 65	79

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2017

Hypertension	64
High Cholesterol	50
Stroke	2
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	23
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Andrew E. Werchniak, MD treated as a dermatologist in Exeter, NH during 2018 were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and ear procedures.

Volume of procedures performed by Dr. Andrew E. Werchniak, MD for Medicare patients.

diagnostic procedures	472
doctor visit	2035
ear procedures	29
removal of lesion (e.g. growth)	1005
skin procedures	1005

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew E. Werchniak, MD.

**Gender**
Male	661
Female	641

**Ethnicity**
Non-Hispanic White	1242
Black	0
Hispanic	0
Asian	0
Other	49
Native American	0

**Age**
From 65 to 74	611
From 75 to 84	443
85 and over	185
Less than 65	63

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2018

Hypertension	65
High Cholesterol	60
Stroke	2
Ischemic Heart Disease	27
Depression	17
Chronic Kidney Disease	20
Asthma	5
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	23
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Andrew E. Werchniak, MD treated as a dermatologist in Exeter, NH during 2019 were removal of lesion (e.g. growth), skin procedures, ear procedures and diagnostic procedures.

Volume of procedures performed by Dr. Andrew E. Werchniak, MD for Medicare patients.

diagnostic procedures	16
doctor visit	2136
ear procedures	16
removal of lesion (e.g. growth)	1044
skin procedures	1044

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew E. Werchniak, MD.

**Gender**
Male	702
Female	653

**Ethnicity**
Non-Hispanic White	1297
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	631
From 75 to 84	463
85 and over	194
Less than 65	67

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2019

Hypertension	63
High Cholesterol	60
Stroke	2
Ischemic Heart Disease	28
Depression	19
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	5
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	21
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Andrew E. Werchniak, MD treated as a dermatologist in Exeter, NH during 2020 were removal of lesion (e.g. growth), skin procedures, ear procedures and diagnostic procedures.

Volume of procedures performed by Dr. Andrew E. Werchniak, MD for Medicare patients.

diagnostic procedures	15
doctor visit	1899
ear procedures	15
removal of lesion (e.g. growth)	1072
skin procedures	1072

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew E. Werchniak, MD.

**Gender**
Male	651
Female	594

**Ethnicity**
Non-Hispanic White	1179
Black	0
Hispanic	0
Asian	0
Other	54
Native American	0

**Age**
From 65 to 74	613
From 75 to 84	448
85 and over	147
Less than 65	37

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2020

Hypertension	58
High Cholesterol	54
Stroke	2
Ischemic Heart Disease	25
Depression	16
Chronic Kidney Disease	20
Asthma	4
Osteoperosis	5
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	20
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Andrew E. Werchniak, MD treated as a dermatologist in Exeter, NH during 2021 were removal of lesion (e.g. growth), skin procedures, ear procedures and diagnostic procedures.

Volume of procedures performed by Dr. Andrew E. Werchniak, MD for Medicare patients.

diagnostic procedures	19
doctor visit	1927
ear procedures	19
removal of lesion (e.g. growth)	1305
skin procedures	1305

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew E. Werchniak, MD.

**Gender**
Male	633
Female	591

**Ethnicity**
Non-Hispanic White	1161
Black	0
Hispanic	0
Asian	0
Other	50
Native American	0

**Age**
From 65 to 74	564
From 75 to 84	463
85 and over	153
Less than 65	44

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2021

Hypertension	61
High Cholesterol	59
Stroke	3
Ischemic Heart Disease	26
Depression	16
Chronic Kidney Disease	20
Asthma	5
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	20
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Andrew E. Werchniak, MD treated as a dermatologist in Exeter, NH during 2022 were removal of lesion (e.g. growth), skin procedures, ear procedures and diagnostic procedures.

Volume of procedures performed by Dr. Andrew E. Werchniak, MD for Medicare patients.

diagnostic procedures	24
doctor visit	1991
ear procedures	24
removal of lesion (e.g. growth)	1444
skin procedures	1444

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew E. Werchniak, MD.

**Gender**
Male	721
Female	578

**Ethnicity**
Non-Hispanic White	1224
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	602
From 75 to 84	508
85 and over	152
Less than 65	37

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2022

Hypertension	67
High Cholesterol	74
Stroke	5
Ischemic Heart Disease	19
Depression	12
Chronic Kidney Disease	13
Asthma	6
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	19
Dementia	4
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Andrew E. Werchniak, MD for Medicare patients.

The highest averages for the top procedures that Dr. Andrew E. Werchniak, MD treated as a dermatologist in Exeter, NH were removal of lesion (e.g. growth), skin procedures, diagnostic procedures and ear procedures.

diagnostic procedures	172
doctor visit	1548
ear procedures	21
injections	19
removal of lesion (e.g. growth)	800
skin procedures	800

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Andrew E. Werchniak, MD.

**Gender**
Male	517
Female	497

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	969
Hispanic	1
Native American / Alaskan Native	0
Other	16

**Age**
75 to 84	346
85 and over	137
Less than 65	54
65 to 74	477

Average of Total of Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Andrew E. Werchniak, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	56
High Cholesterol	50
Stroke	2
Ischemic Heart Disease	23
Depression	15
Chronic Kidney Disease	16
Asthma	6
Osteoporosis	6
Heart Failure	9
Chronic Obstructive Pulmonary Disease	7
Diabetes	18
Atrial Fibrillation	10
Cancer	10
Dementia	5

Education & Training

Dr. Andrew E. Werchniak, MD graduated from University of Virginia School of Medicine. He completed residency at Dartmouth-Hitchcock Medical Center. He is certified by the American Board of Dermatology: Dermatology and has a state license in Massachusetts.

Medical School: University of Virginia School of Medicine

Residency: Dartmouth-Hitchcock Medical Center

Board Certification: American Board of Dermatology: Dermatology

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Andrew E. Werchniak, MD is associated with these hospitals and organizations:

Wentworth-Douglass Hospital

FOREFRONT DERMATOLOGY - NEW HAMPSHIRE, PLLC

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Andrew E. Werchniak, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
LEO Pharma Inc.	$45 PICATO $15	$30
Janssen Biotech, Inc.	$16 STELARA $16
Prestium Pharma, Inc.	$13 Denavir $13

**Types of Payments**
Food and Beverage	$43
Education	$30

Biography

Dr. Andrew Werchniak practices dermatology (skin disorders) in Portsmouth, NH, Exeter, NH, and Dover, NH. He is a graduate of the University of Virginia School of Medicine. Dr. Werchniak's medical residency was performed at Dartmouth-Hitchcock Medical Center. He speaks Ukrainian. He is professionally affiliated with Wentworth-Douglass Hospital.

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Dr. Andrew E. Werchniak, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Andrew E. Werchniak, MD in 2023

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. Andrew E. Werchniak, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Andrew E. Werchniak, MD 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. Andrew E. Werchniak, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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