Active NPI
Eric Williamson, MD
- Internal Medicine Physician
- Travis Afb, CA
National Provider Identifier
1285374108
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 328752
- Practice address
- 60 MDG/SGGX
101 Bodin Circle
Travis Afb, CA 94535-1809 - Phone
- (707) 423-7342
- NPI assigned
- Mar 30, 2022
- 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 | 328752 | NY | Primary |
Addresses
Primary practice location
60 MDG/SGGX
101 Bodin Circle
Travis Afb, CA 94535-1809
Mailing address
60 MDG/SGGX
101 Bodin Circle
Travis Afb, CA 94535-1809
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- 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
- New York University School of Medicine, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
6600 Bruceville Rd
Sacramento, CA 95823-4671
Phone (916) 688-2000
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 328752 | NY | MD | Internal Medicine Physician |
Interoperability endpoints
- ewilliamson357657@nyumc.direct-ci.com
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
- Santa Clara, CA
- NPI 1073606299
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1648598400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753401600000",
"number": "1285374108",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "60 MDG/SGGX",
"address_2": "101 BODIN CIRCLE",
"city": "TRAVIS AFB",
"state": "CA",
"postal_code": "945351809"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "60 MDG/SGGX",
"address_2": "101 BODIN CIRCLE",
"city": "TRAVIS AFB",
"state": "CA",
"postal_code": "945351809",
"telephone_number": "707-423-7342"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WILLIAMSON",
"first_name": "ERIC",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-03-30",
"last_updated": "2025-07-25",
"certification_date": "2025-07-22",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NY",
"license": "328752",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Travis Afb, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 25, 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.