Active NPI
Gerald A Colvin, DO
- Hematology & Oncology Physician
- Wakefield, RI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- DO00536
- Practice address
- 100 Kenyon Ave
Wakefield, RI 02879-4216 - Phone
- (401) 783-6670
- Fax
- (401) 789-4990
- NPI assigned
- Jul 7, 2005
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hematology & Oncology Physician | 207RH0003X | 262469 | NY | |
| Hematology & Oncology Physician | 207RH0003X | DO00536 | RI | Primary |
Addresses
Primary practice location
100 Kenyon Ave
Wakefield, RI 02879-4216
Mailing address
PO Box 229
Wakefield, RI 02880-0229
Phone (401) 783-6670
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| GC33721 | Medicaid | RI |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in RI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20050120000977 | RI | Practitioner - Hematology/Oncology | 3375592959 | Reassigns benefits to 4 organizations |
Care Compare profile
Medicare Care Compare- Specialty
- Hematology/Oncology
- Education
- Philadelphia College of Osteopathic Medicine, 1994
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Silver Spring Health Care Management IncProspect Chartercare RWMC, LLC
Practice addresses (Care Compare)
100 Kenyon Ave
Wakefield, RI 02879-4216
Phone (401) 783-6670
825 Chalkstone Ave
Providence, RI 02908-4728
Phone (401) 456-2000
Hospital & facility affiliations
- Continuum Care Hospice
- South County Hospital Inc
- Roger Williams Medical Center
- Our Lady of Fatima Hospital
- The Miriam Hospital
- Southcoast Hospitals Group
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy, Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 262469 | NY | MD | Hematology & Oncology Physician |
| DO00536 | RI | MD | Hematology & Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Prospect Chartercare RWMC, LLC | Hematology & Oncology | Current | Accepting new patients |
| Prospect Chartercare RWMC, LLC | Current | Accepting new patients | |
| Silver Spring Health Care Management, Inc | Current | Accepting new patients | |
| Chartercare Roger Williams Medical Center | Hematology & Oncology | Current | Accepting new patients |
| Prospect Chartercare Physicians, LLC | Hematology & Oncology | Current | Accepting new patients |
| Silver Spring Health Care Management, Inc | Past | Accepting new patients |
Locations
1681 Cranston St
Cranston, RI 02920
Phone (401) 944-6889
1 Office Pkwy
East Providence, RI 02914
Phone (401) 270-7110
1524 Atwood Ave
Ste 125
Johnston, RI 02919
Phone (401) 331-1113
1524 Atwood Ave
Ste 44
Johnston, RI 02919
Phone (401) 272-9880
825 Chalkstone Ave
Providence, RI 02908
Phone (401) 456-2000
50 Maude St
Providence, RI 02908
Phone (401) 456-2200
100 Kenyon Ave
Wakefield, RI 02879
Phone (401) 782-8000
Interoperability endpoints
- gcolvin92371@tuftsmedicine.direct-ci.com
- gcolvin@direct.health-quest.org
Organizations & group practices 21
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
- Providence, RI
- NPI 1285059287
Hematology & Oncology, RI
-
- Hematology & Oncology Physician
- Wakefield, RI
- NPI 1942498951
RI
-
- Internal Medicine Physician
- Providence, RI
- NPI 1649009507
Hematology & Oncology, RI
-
- Internal Medicine Physician
- Cranston, RI
- NPI 1629493135
Hematology & Oncology, RI
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Wakefield, RI
- NPI 1104871003
-
- General Acute Care Hospital
- Providence, RI
- NPI 1013332014
-
- Psychiatric Hospital Unit
- Providence, RI
- NPI 1477978476
-
- Surgery Physician
- Wakefield, RI
- NPI 1306034244
-
- Cardiovascular Disease Physician
- Wakefield, RI
- NPI 1528152691
-
- Radiation Oncology Physician
- Wakefield, RI
- NPI 1891317509
-
- Obstetrics & Gynecology Physician
- Wakefield, RI
- NPI 1245246115
-
- Cardiovascular Disease Physician
- Wakefield, RI
- NPI 1285988790
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Community Based Hospice Care Agency
- West Warwick, RI
- NPI 1164948220
Hospice
-
- General Acute Care Hospital
- North Providence, RI
- NPI 1871918870
Hospital
-
- General Acute Care Hospital
- Wakefield, RI
- NPI 1952366106
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1120694400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757376000000",
"number": "1417954199",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 229",
"city": "WAKEFIELD",
"state": "RI",
"postal_code": "028800229",
"telephone_number": "401-783-6670",
"fax_number": "401-789-4990"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "100 KENYON AVE",
"city": "WAKEFIELD",
"state": "RI",
"postal_code": "028794216",
"telephone_number": "401-783-6670",
"fax_number": "401-789-4990"
}
],
"practiceLocations": [],
"basic": {
"last_name": "COLVIN",
"first_name": "GERALD",
"middle_name": "A",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-07-07",
"last_updated": "2025-09-09",
"certification_date": "2025-09-09",
"status": "A"
},
"taxonomies": [
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "NY",
"license": "262469",
"primary": false
},
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "RI",
"license": "DO00536",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "GC33721",
"state": "RI"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Wakefield, RI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 9, 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.