Active NPI
David Seftel, M.D.
- Internal Medicine Physician
- South San Francisco, CA
National Provider Identifier
1437285665
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- A60937
- Practice address
- 510 Myrtle Ave Ste 101
South San Francisco, CA 94080-4562 - Phone
- (650) 240-3105
- NPI assigned
- Feb 23, 2007
- Sex
- Male
- Sole proprietor
- Yes
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 | A60937 | CA | Primary |
Addresses
Primary practice location
510 Myrtle Ave Ste 101
South San Francisco, CA 94080-4562
Mailing address
510 Myrtle Ave Ste 101
South San Francisco, CA 94080-4562
Phone (650) 240-3105
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
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A60937 | CA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Hill Physicians Medical Group | Past | Accepting new patients | |
| County of San Mateo | Past | Accepting new patients | |
| County of San Mateo | Past | Accepting new patients | |
| Enable Biosciences Inc | Past | Accepting new patients |
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 Unit
- San Mateo, CA
- NPI 1144309055
-
- Public Health or Welfare Agency
- San Mateo, CA
- NPI 1306907928
-
- Clinical Medical Laboratory
- South San Francisco, CA
- NPI 1689236598
-
- Health Maintenance Organization
- San Ramon, CA
- NPI 1417052739
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1172188800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784160000000",
"number": "1437285665",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "510 MYRTLE AVE STE 101",
"city": "SOUTH SAN FRANCISCO",
"state": "CA",
"postal_code": "940804562",
"telephone_number": "650-240-3105",
"fax_number": "866-267-9725"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "510 MYRTLE AVE STE 101",
"city": "SOUTH SAN FRANCISCO",
"state": "CA",
"postal_code": "940804562",
"telephone_number": "650-240-3105"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SEFTEL",
"first_name": "DAVID",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-02-23",
"last_updated": "2026-07-16",
"certification_date": "2026-07-16",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A60937",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in South San Francisco, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.