Active NPI
Shelby Allida Gerrior, PA
- Physician Assistant
- Biddeford, ME
National Provider Identifier
1649059239
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- PA2926
- Practice address
- 1 Medical Center Dr
Biddeford, ME 04005-9422 - Phone
- (207) 294-5000
- Fax
- (207) 294-5227
- NPI assigned
- Sep 25, 2023
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | PA2926 | ME | Primary |
Addresses
Primary practice location
1 Medical Center Dr
Biddeford, ME 04005-9422
Mailing address
1 Medical Center Dr
Biddeford, ME 04005-9422
Phone (207) 294-5000
Other practice location 1
716 Stevens Ave
Portland, ME 04103-2656
Phone (978) 987-0955
Other practice location 2
25 June St
Sanford, ME 04073-2621
Phone (207) 490-7450
Other practice location 3
335 Brighton Ave
Portland, ME 04102-2363
Phone (207) 662-0111
Other practice location 4
22 Bramhall St
Portland, ME 04102-3134
Phone (207) 662-2381
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in ME
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2025
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1 Medical Ctr Dr
Biddeford, ME 04005-9422
Phone (207) 282-4270
22 Bramhall St
Portland, ME 04102-3134
Phone (207) 885-9905
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PA2926 | ME | MD | Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mainehealth | Current | Accepting new patients | |
| Mainehealth | Current | Accepting new patients | |
| Mainehealth | Past | Accepting new patients |
Locations
1 Medical Dr
Biddeford, ME 04005
Phone (207) 283-7000
335 Brighton Ave
Portland, ME 04102
Phone (207) 662-8000
22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179
25 June St
Sanford, ME 04073
Phone (207) 324-4310
Interoperability endpoints
- sgerrior366910@direct.mmc.mainehealth.org
Organizations & group practices 4
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Psychiatric Hospital
- Westbrook, ME
- NPI 1790265502
-
- Community/Retail Pharmacy
- Portland, ME
- NPI 1013868181
-
- Multi-Specialty Clinic/Center
- Brunswick, ME
- NPI 1902422561
-
- Family Medicine Physician
- Portland, ME
- NPI 1629761978
Hospital & facility affiliations 36
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Scarborough, ME
- NPI 1053647024
-
- General Acute Care Hospital
- Portland, ME
- NPI 1346267879
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1695600000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754870400000",
"number": "1649059239",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1 MEDICAL CENTER DR",
"city": "BIDDEFORD",
"state": "ME",
"postal_code": "040059422",
"telephone_number": "207-294-5000",
"fax_number": "207-294-5227"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1 MEDICAL CENTER DR",
"city": "BIDDEFORD",
"state": "ME",
"postal_code": "040059422",
"telephone_number": "207-294-5000",
"fax_number": "207-294-5227"
}
],
"practiceLocations": [
{
"address_1": "716 Stevens Ave",
"address_purpose": "LOCATION",
"city": "Portland",
"state": "ME",
"postal_code": "041032656",
"country_code": "US",
"telephone_number": "978-987-0955",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "25 June St",
"address_purpose": "LOCATION",
"city": "Sanford",
"state": "ME",
"postal_code": "040732621",
"country_code": "US",
"telephone_number": "207-490-7450",
"fax_number": "207-490-7452",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "335 Brighton Ave",
"address_purpose": "LOCATION",
"city": "Portland",
"state": "ME",
"postal_code": "041022363",
"country_code": "US",
"telephone_number": "207-662-0111",
"fax_number": "207-662-8133",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "22 Bramhall St",
"address_purpose": "LOCATION",
"city": "Portland",
"state": "ME",
"postal_code": "041023134",
"country_code": "US",
"telephone_number": "207-662-2381",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GERRIOR",
"first_name": "SHELBY",
"middle_name": "ALLIDA",
"credential": "PA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-09-25",
"last_updated": "2025-08-11",
"certification_date": "2025-08-11",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "ME",
"license": "PA2926",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Biddeford, ME
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.