Active NPI
Margaret Mary Miller, RN
- Perinatal Registered Nurse
- San Francisco, CA
National Provider Identifier
1437024353
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Perinatal Registered Nurse
- License
- 662265
- Practice address
- 1001 Potrero Ave
San Francisco, CA 94110-3518 - Phone
- (628) 206-8725
- NPI assigned
- Oct 9, 2025
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Perinatal Registered Nurse | 163WP1700X | 662265 | CA | Primary |
Addresses
Primary practice location
1001 Potrero Ave
San Francisco, CA 94110-3518
Mailing address
615 9TH Ave
San Mateo, CA 94402-1427
Phone (628) 206-8725
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
- Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 662265 | CA | MD | Perinatal Registered Nurse |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1759968000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761264000000",
"number": "1437024353",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "615 9TH AVE",
"city": "SAN MATEO",
"state": "CA",
"postal_code": "944021427",
"telephone_number": "628-206-8725"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1001 POTRERO AVE",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941103518",
"telephone_number": "628-206-8725"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MILLER",
"first_name": "MARGARET",
"middle_name": "MARY",
"credential": "RN",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-10-09",
"last_updated": "2025-10-24",
"certification_date": "2025-10-09",
"status": "A"
},
"taxonomies": [
{
"code": "163WP1700X",
"taxonomy_group": "",
"desc": "Registered Nurse, Perinatal",
"state": "CA",
"license": "662265",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in San Francisco, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.