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About

Seacoast Dermatology PLLC is a dermatology clinic serving Portsmouth, Dover, and Exeter, NH, with Mohs surgery and cosmetic/aesthetic treatments. They operate three offices in New Hampshire (including Portsmouth) and have a small team (9 employees). Key details: - Services: dermatology care, Mohs surgery, aesthetic treatments - Locations: 3 offices in NH (including Portsmouth); primary office at 330 Borthwick Ave, Portsmouth - Contact: 603-431-5205; email contactus@seacoastdermnh.com - Website: seacoastdermnh.com If your focus is specifically Dover, NH or Somersworth, note that their listed offices are in Portsmouth and the broader Seacoast region; for Dover/Somersworth, you may want to confirm the closest appointment location and availability.

Clinic Type

Dermatology

Address

750 Central Ave Suite O, Dover, NH 03820

Phone

+1-603-431-5205

Email

contactus@seacoastdermnh.com

Opening Hours

Mon 8:00 AM – 7:00 PM; Tue 8:00 AM – 5:00 PM; Wed 8:00 AM – 5:00 PM; Thu 8:00 AM – 5:00 PM; Fri 8:00 AM – 4:00 PM; Sat Closed; Sun Closed

Telehealth

Available (telehealth mentioned in site navigation)

Services Offered

  • Medical Dermatology
  • Surgical Dermatology
  • Cosmetic Dermatology
  • Women’s dermatologic health services
  • Actinic keratosis treatment
  • Acne treatment
  • Hair and nail disorders
  • Dermatitis
  • Molluscum
  • Psoriasis
  • Rosacea
  • Skin infections
  • Skin cancer screening and treatment
  • Skin tags
  • Vitiligo
  • Warts
  • Excisional surgery
  • Electrodessication and curettage
  • Mohs surgery
  • Asclera vein treatment
  • Botox
  • Dermal fillers
  • Laser treatments
  • Microneedling RF
  • Profound RF
  • PRP full scalp hair restoration
  • Skin peeling treatments

Team

  • James Dinulos — MD
  • Arthur Marka — MD
  • Jonathan S. Glass, Advanced Practitioner — MD
  • Megan Metheny — NP-C
  • Kara Fiore — FNP-C
  • Meghan Loring — PA-C
  • Ashley Gnecco — FNP-C
  • Kelly Sargent — PA-C
  • Siobhan Arey — PAC

Insurance & Payment

  • Accepted Insurance & Payments
  • careful review of site suggests accepted insurance/payments page but exact insurers not listed here

See site pages for accepted insurances and payments

Call 603-431-5205 to confirm, Most major insurers likely accepted, Insurance, Credit Card, Cash, Care Credit (if listed)

Languages Spoken

  • English

FAQs

What are the hours for Dover, NH location?

Mon 8:00 AM - 7:00 PM; Tue-Fri 8:00 AM - 5:00 PM; Sat-Sun Closed

Awards & Accreditations

  • Awards
  • Awards (Seacoast Dermatology)

Social Media

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye (Aggregate of Google/Birdeye): 4.7 out of 5 stars (based on 551 reviews) (551)
  • Yelp (Dermatology & Skin Health): 2.2 out of 5 stars (24)
  • Healthgrades (Dr. Stephen Moyer): 3.9 out of 5 stars (13)
  • Forefront Dermatology (Dr. Andrew Werchniak): 4.9 out of 5 stars (255)

Patients praise

  • Professional and knowledgeable medical staff
  • Efficient and thorough skin examinations and surgical procedures
  • Friendly and accommodating front desk/administrative teams
  • Clear explanations of treatment options and procedures

Common complaints

  • Concerns over aggressive communication by some staff/providers
  • Billing disputes and perceived lack of transparency regarding out-of-network or cosmetic charges
  • Reports of rushed visits and inadequate listening regarding medical history

"She got extremely aggressive and was not happy that I was asking too many questions... I was not comfortable with her."

— Patient review (Birdeye)

"The doctor showed no interest in my history, maybe spent 2 minutes looking at my skin... I left feeling like I completely wasted my time and money."

— Patient review (A-Better-Place)

"Dr. Marka is very calm and thorough, he also gives options to each treatment he recommends and explains each one. I have faith and feel relaxed with him."

— Patient review (Seacoast Dermatology website)

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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