Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Siobhan Maureen Arey, PA

Individual provider Medical Physician Assistant · NPI 1962912428

Siobhan Maureen Arey, PA is a Physician Assistant in Portsmouth, New Hampshire. Qualified in 2017, 9 years ago. Practices with Mercy Hospital, a 308-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Maine and New Hampshire.

Years since qualifying
9
Licensed in
ME, NH
In the registry since
2017
Specialties on file
3
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

330 Borthwick Ave Ste 303
Portsmouth, NH 03801-7109
Phone: (603) 431-5205
Fax: (603) 436-4257
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 750 Central Ave Ste O, Dover, NH 03820-3434 — (603) 431-5205
  • 1 Hampton Rd Unit 208, Exeter, NH 03833-4849 — (603) 431-5205
  • 278 Lafayette Rd Bldg E, Portsmouth, NH 03801-5455 — (603) 431-5205

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 3542 (NH)
Medical Physician Assistant Taxonomy 363AM0700X · Licence PA2023 (ME)
Physician Assistant Taxonomy 363A00000X · Licence PA2023 (ME)

Record details

NPI number1962912428
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedOctober 10, 2017
Last updated in NPPESSeptember 30, 2025
Certification dateSeptember 30, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Mercy Hospital — 308 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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