Active NPI
Florencia Lopez Griffin, PA-C
- Physician Assistant
- Stanford, CA
National Provider Identifier
1235594425
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 63563
- Practice address
- 300 Pasteur Dr
Stanford, CA 94305-2200 - Phone
- (650) 723-4000
- NPI assigned
- Dec 15, 2015
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | PA11893 | TX | |
| Physician Assistant | 363A00000X | 63563 | CA | Primary |
| Medical Physician Assistant | 363AM0700X | 63563 | CA |
Addresses
Primary practice location
300 Pasteur Dr
Stanford, CA 94305-2200
Mailing address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000
Other practice location 1
2 Bon Air Rd Ste 100
Larkspur, CA 94939-1144
Phone (415) 927-0666
Other practice location 2
75 Rowland Way Ste 250
Novato, CA 94945-5018
Phone (415) 878-2910
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: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2015
- Medicare assignment
- May accept Medicare assignment
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 81.03 of 100
- Quality
- 80.86
- Promoting interoperability
- 76
- Improvement activities
- 40
- Cost
- 75.91
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 63563 | CA | MD | Pharmacist |
| PA11893 | TX | MD | Medical Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University of California San Francisco | Past | Accepting new patients | |
| New York Westchester SQ Med Ctr | Past | Accepting new patients |
Interoperability endpoints
- fgriffin340454@direct-ucsfmedicalcenter.org
Organizations & group practices 5
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
- San Francisco, CA
- NPI 1124439807
-
- Children's Hospital
- Palo Alto, CA
- NPI 1417907940
-
- General Acute Care Hospital
- Stanford, CA
- NPI 1437292927
-
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- San Francisco, CA
- NPI 1992818256
-
- General Acute Care Hospital
- Bronx, NY
- NPI 1851340608
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Greenbrae, CA
- NPI 1396725677
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1450137600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785801600000",
"number": "1235594425",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "300 PASTEUR DR",
"city": "STANFORD",
"state": "CA",
"postal_code": "943052200",
"telephone_number": "650-723-4000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "300 PASTEUR DR",
"city": "STANFORD",
"state": "CA",
"postal_code": "943052200",
"telephone_number": "650-723-4000"
}
],
"practiceLocations": [
{
"address_1": "2 Bon Air Rd Ste 100",
"address_purpose": "LOCATION",
"city": "Larkspur",
"state": "CA",
"postal_code": "949391144",
"country_code": "US",
"telephone_number": "415-927-0666",
"fax_number": "415-927-6159",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "75 Rowland Way Ste 250",
"address_purpose": "LOCATION",
"city": "Novato",
"state": "CA",
"postal_code": "949455018",
"country_code": "US",
"telephone_number": "415-878-2910",
"fax_number": "415-878-2916",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GRIFFIN",
"first_name": "FLORENCIA",
"middle_name": "LOPEZ",
"credential": "PA-C",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2015-12-15",
"last_updated": "2026-08-04",
"certification_date": "2026-08-04",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "TX",
"license": "PA11893",
"primary": false
},
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "CA",
"license": "63563",
"primary": true
},
{
"code": "363AM0700X",
"taxonomy_group": "",
"desc": "Physician Assistant, Medical",
"state": "CA",
"license": "63563",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Stanford, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 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.