Siobhan Maureen Arey, PA
Individual provider Active NPI Physician Assistant · Portsmouth, NH
NPI 1962912428 · NPPES record last updated Sep 30, 2025
Key facts
- NPI
- 1962912428
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Physician Assistant 363A00000X
- License
- 3542 (NH)
- Practice address
- 330 Borthwick Ave Ste 303
Portsmouth, NH 03801-7109 - Phone
- (603) 431-5205
- Fax
- (603) 436-4257
- NPI assigned
- Oct 10, 2017
- Sex
- Female
- Sole proprietor
- No
Organizations & group practices 7
Hospital & facility affiliations 3
Medicare Care Compare profile
- Specialty
- Physician Assistant
- Education
- Other, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Mercy Hospital
Forefront Dermatology - New Hampshire, PLLC
Practice addresses (Care Compare)
19 S Gorham Xing
Gorham, ME 04038-2690
Phone (207) 535-1400
330 Borthwick Ave
Suite 303
Portsmouth, NH 03801-7109
Phone (603) 431-5205
40 Park Rd
Westbrook, ME 04092-3188
Phone (207) 857-8174
409 Roosevelt TRL
Windham, ME 04062-4821
Phone (207) 400-8600
750 Central Ave
Suite O
Dover, NH 03820-3434
Phone (603) 431-5205
Hospital & facility affiliations
- Northern Light Mercy Hospital
- Portsmouth Regional Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 90.65 of 100
- Promoting interoperability
- 89
- Improvement activities
- 40
Merit-based Incentive Payment System (MIPS)
- Final score
- 81.67 of 100
- Quality
- 60.7
- Promoting interoperability
- 91
- Improvement activities
- 40
- Cost
- 73.8
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled (2 enrollments) in ME, NH
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: No
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20200318001351 | ME | Practitioner - Physician Assistant | 6002172418 | Reassigns benefits to 3 organizations |
| I20250930000850 | NH | Practitioner - Physician Assistant | 6002172418 | Reassigns benefits to 1 organization |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 021555 | NY | MD | Massage Therapist |
| 3542 | NH | MD | Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| St. Mary'S Regional Medical Center | Current |
Accepting new patients | |
| Mercy Hospital | Current |
Accepting new patients | |
| Mercy Hospital | Current |
Accepting new patients |
Locations
791 Turner St
#2
Auburn, ME 04210
Phone (207) 330-3900
93 Campus Ave
Lewiston, ME 04240
Phone (207) 755-3715
40 Park Rd
Westbrook, ME 04092
Phone (207) 857-8174
Interoperability endpoints
- siobhan.arey@forefrontdermatology.emadirect.md
- sarey@optima.emadirect.md
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Medical Physician Assistant | 363AM0700X | PA2023 | ME | |
| Physician Assistant | 363A00000X | PA2023 | ME | |
| Physician Assistant | 363A00000X | 3542 | NH | Yes |
Addresses
Primary practice location
330 Borthwick Ave Ste 303
Portsmouth, NH 03801-7109
Mailing address
801 York St
Manitowoc, WI 54220-4630
Phone (920) 663-9008
Other practice location 1
750 Central Ave Ste O
Dover, NH 03820-3434
Phone (603) 431-5205
Other practice location 2
1 Hampton Rd Unit 208
Exeter, NH 03833-4849
Phone (603) 431-5205
Other practice location 3
278 Lafayette Rd BLDG E
Portsmouth, NH 03801-5455
Phone (603) 431-5205
Electronic endpoints
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | Siobhan.Arey@forefrontdermatology.emadirect.md | ||
| Direct Messaging Address | Siobhan.Arey@forefrontdermatology.emadirect.md | ||
| Direct Messaging Address | Siobhan.Arey@forefrontdermatology.emadirect.md | ||
| Direct Messaging Address | Siobhan.Arey@forefrontdermatology.emadirect.md |
Other providers in Portsmouth, NH
- Appledore Medical Group, Inc.
- Appledore Medical GRP II, Inc.
- Apria Healthcare LLC
- Arc of New Hampshire, LLC
- Janet Lynn Archambault
- Lauren Ann Armfield
- Arms Wide Open NH LLC
- Samantha Arnold
- Arrigo Orthodontics, PC
- Michael Philip Arrigo II
All providers in Portsmouth, NH · Physician Assistant in New Hampshire
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Sep 30, 2025. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.