Active NPI
Frederick William Damen, MD, PHD
- Pediatrics Physician
- Palo Alto, CA
National Provider Identifier
1639864663
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- A209972
- Practice address
- 725 Welch Rd
Palo Alto, CA 94304-1601 - Phone
- (650) 497-8979
- NPI assigned
- Apr 6, 2023
- 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 |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | A209972 | CA | Primary |
Addresses
Primary practice location
725 Welch Rd
Palo Alto, CA 94304-1601
Mailing address
725 Welch Rd
Palo Alto, CA 94304-1601
Phone (650) 497-8000
Other practice location 1
300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000
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
- Pediatric Medicine
- Education
- Indiana University School of Medicine, 2023
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
500 Pasteur Dr
FL 3
Palo Alto, CA 94304-1048
PO Box
Pasadena, CA 91189
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine, Doctor of Philosophy
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.
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- NPI 1699885079
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1680739200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1639864663",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "725 WELCH RD",
"city": "PALO ALTO",
"state": "CA",
"postal_code": "943041601",
"telephone_number": "650-497-8000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "725 WELCH RD",
"city": "PALO ALTO",
"state": "CA",
"postal_code": "943041601",
"telephone_number": "650-497-8979"
}
],
"practiceLocations": [
{
"address_1": "300 Pasteur Dr",
"address_purpose": "LOCATION",
"city": "Stanford",
"state": "CA",
"postal_code": "943052200",
"country_code": "US",
"telephone_number": "650-723-4000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "DAMEN",
"first_name": "FREDERICK",
"middle_name": "WILLIAM",
"credential": "MD, PHD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-04-06",
"last_updated": "2026-07-13",
"certification_date": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "CA",
"license": "A209972",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Palo Alto, CA
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.