Active NPI
Marcina Lynn Beaston-Casey, MS, CGC
- Genetic Counselor (M.S.)
- Providence, RI
National Provider Identifier
1548023203
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Genetic Counselor (M.S.)
- License
- GC00003
- Practice address
- 1 Blackstone Street
Floor 2
Providence, RI 02903 - Phone
- (401) 453-7520
- Fax
- (401) 453-7529
- NPI assigned
- Feb 5, 2024
- 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 |
|---|---|---|---|---|
| Genetic Counselor (M.S.) | 170300000X | GC00003 | RI | Primary |
Addresses
Primary practice location
1 Blackstone Street
Floor 2
Providence, RI 02903
Mailing address
455 Toll Gate Road
PRC and Credentialing
Warwick, RI 02886-2759
Phone (401) 273-0641
Other practice location 1
101 Dudley St
Providence, RI 02905-2401
Phone (401) 453-7520
Other names 1
- Marcina Beaston
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Master of Science
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| GC00003 | RI | MD | Genetic Counselor (M.S.) |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Affinity Physicians LLC. | Past | Accepting new patients |
Organizations & group practices 1
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.
-
- Internal Medicine Physician
- Warwick, RI
- NPI 1184944662
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1707091200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1760486400000",
"number": "1548023203",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "455 TOLL GATE ROAD",
"address_2": "PRC AND CREDENTIALING",
"city": "WARWICK",
"state": "RI",
"postal_code": "028862759",
"telephone_number": "401-273-0641",
"fax_number": "401-273-2919"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1 BLACKSTONE STREET",
"address_2": "FLOOR 2",
"city": "PROVIDENCE",
"state": "RI",
"postal_code": "02903",
"telephone_number": "401-453-7520",
"fax_number": "401-453-7529"
}
],
"practiceLocations": [
{
"address_1": "101 Dudley St",
"address_purpose": "LOCATION",
"city": "Providence",
"state": "RI",
"postal_code": "029052401",
"country_code": "US",
"telephone_number": "401-453-7520",
"fax_number": "401-453-7529",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BEASTON-CASEY",
"first_name": "MARCINA",
"middle_name": "LYNN",
"name_prefix": "Ms.",
"credential": "MS, CGC",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2024-02-05",
"last_updated": "2025-10-15",
"certification_date": "2025-10-15",
"status": "A"
},
"taxonomies": [
{
"code": "170300000X",
"taxonomy_group": "",
"desc": "Genetic Counselor, MS",
"state": "RI",
"license": "GC00003",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "MARCINA",
"last_name": "BEASTON",
"credential": "MS",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Providence, RI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.