Active NPI
Garth Oliver, M.D.
- Internal Medicine Physician
- West Haven, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 035510
- Practice address
- 603 Savin Ave
West Haven, CT 06516-4933 - Phone
- (203) 932-2400
- Fax
- (203) 932-2401
- NPI assigned
- Jun 6, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 035510 | CT | Primary |
Addresses
Primary practice location
603 Savin Ave
West Haven, CT 06516-4933
Mailing address
603 Savin Ave
West Haven, CT 06516-4933
Phone (203) 932-2400
Other identifiers 5
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 010035510CT01 | Other | CT | ANTHEM BCBS |
| 5817459 | Other | CT | AETNA |
| 2V4111 | Other | CT | HEALTHNET |
| 001355107-03 | Other | CT | BLUE CARE FAMILY PLAN |
| P449063 | Other | CT | OXFORD |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Columbia University College of Physicians and Surgeons, 1993
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
Practice addresses (Care Compare)
2337 Whitney Ave
Hamden, CT 06518-3539
2340 Whitney Ave
Hamden, CT 06518-3511
603 Savin Ave
West Haven, CT 06516-4961
Phone (203) 932-2400
Hospital & facility affiliations
- Yale-New Haven Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 035510 | CT | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Savin Medical Practice, LLC | Internal Medicine | Current | Accepting new patients |
Locations
2340 Whitney Ave
Hamden, CT 06518
Phone (203) 248-8142
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
- West Haven, CT
- NPI 1780768093
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- New Haven, CT
- NPI 1336139500
-
- General Acute Care Hospital
- New Haven, CT
- NPI 1578778726
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149552000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1285673145",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "603 SAVIN AVE",
"city": "WEST HAVEN",
"state": "CT",
"postal_code": "065164933",
"telephone_number": "203-932-2400",
"fax_number": "203-932-2401"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "603 SAVIN AVE",
"city": "WEST HAVEN",
"state": "CT",
"postal_code": "065164933",
"telephone_number": "203-932-2400",
"fax_number": "203-932-2401"
}
],
"practiceLocations": [],
"basic": {
"last_name": "OLIVER",
"first_name": "GARTH",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-06",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CT",
"license": "035510",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ANTHEM BCBS",
"identifier": "010035510CT01",
"state": "CT"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AETNA",
"identifier": "5817459",
"state": "CT"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HEALTHNET",
"identifier": "2V4111",
"state": "CT"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CARE FAMILY PLAN",
"identifier": "001355107-03",
"state": "CT"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "OXFORD",
"identifier": "P449063",
"state": "CT"
}
],
"endpoints": [],
"other_names": []
}
Other providers in West Haven, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.