Are you Dr. Werchniak? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Andrew E. Werchniak, MD
- Portsmouth location main office
330 Borthwick Ave Ste 303, Seacoast Dermatology Pllc, Portsmouth, NH 03801 - Concord location
171 Pleasant St Ste 101, Concord, NH 03301
About Dr. Werchniak
Andrew E. Werchniak, MD practices dermatology in Portsmouth, NH. Andrew is a 2002 graduate of University of Virginia School of Medicine. According to Medicare claims data, Andrew cared for 3,913 Medicare patients across 7,988 services. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and destruction of precancer skin growth, 1 growth. The provider's National Provider Identifier (NPI) is 1023075710.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (603) 431-5205
- Email not available
Practice Locations
330 BORTHWICK AVE STE 303 SEACOAST DERMATOLOGY PLLC
Portsmouth, NH 03801
171 Pleasant St Ste 101
Concord, NH 03301
Conditions Commonly Evaluated or Treated
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Autoimmune and connective tissue
Cancer care
Pediatric and genetic
Rashes & allergy
Wounds & skin
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Infections
Skin growths
Procedures & services
Bladder & bowel
Cosmetic & plastics
Cosmetic dermatology
Diagnostic procedures
- Dermoscopy
- Excisional skin biopsy
- Punch biopsy
- Shave biopsy
- Skin scraping for fungal or mite testing
- Patch testing
- Skin biopsy
Lesion treatment
- Chemical treatment of skin lesions
- Incision and drainage of an abscess
- Intralesional medication injection
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
Medical dermatology treatment
Skin and Scars
Skin cancer surgery
Skin growths
Wound Care
Most searched procedures
Cosmetic
- Acne scar treatment
- Dermal fillers
- Sclerotherapy
- Tattoo removal
Cosmetic and minor surgery
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
- Ingrown toenail removal
Procedures Most Often Billed to Medicare
7,988 services · 3,913 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
3,769 | More than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
1,367 | More than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
289 | More often than most peers in Dermatology |
| Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm | Procedure | 11301 |
86 | More often than most peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
86 | As often as other peers in Dermatology |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
69 | More often than most peers in Dermatology |
| Punch biopsy, first skin growth | Procedure | 11104 |
52 | More than most peers in Dermatology |
| Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm | Procedure | 11311 |
45 | More often than most peers in Dermatology |
| Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.5 cm or less | Procedure | 11310 |
35 | More often than most peers in Dermatology |
| Shaving of skin growth of body, arms, or legs, 0.5 cm or less | Procedure | 11300 |
32 | As often as other peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other dermatologists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 29 related providers in 4 groups
Other dermatologists in Portsmouth 6
Same specialty, same city.
Trained at University of Virginia School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at University of Virginia School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 7
Providers in NH who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Werchniak?
Dr. Werchniak is a dermatologist (skin doctor) in Portsmouth, NH. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
What is Dr. Werchniak's address?
Dr. Werchniak is listed at 330 Borthwick Ave Ste 303 Seacoast Dermatology Pllc, Portsmouth, NH 03801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Werchniak?
The number on file is (603) 431-5205. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Werchniak's NPI number?
Dr. Werchniak's National Provider Identifier is 1023075710. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Werchniak train?
Dr. Werchniak attended University of Virginia School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Werchniak been practicing?
Dr. Werchniak has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Werchniak perform?
According to Medicare billing data, Dr. Werchniak performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and destruction of skin growth, 1-14 growths, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Werchniak confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Werchniak. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.