Active NPI
Fiona Larsson
- Registered Nurse
- Philadelphia, PA
National Provider Identifier
1164375457
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Nurse
- License
- RN803491
- Practice address
- 3641 Lancaster Ave
Philadelphia, PA 19104-2603 - Phone
- (267) 969-1651
- NPI assigned
- Feb 17, 2026
- Sex
- Unspecified or another gender identity
- 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 |
|---|---|---|---|---|
| Registered Nurse | 163W00000X | RN803491 | PA | Primary |
Addresses
Primary practice location
3641 Lancaster Ave
Philadelphia, PA 19104-2603
Mailing address
3641 Lancaster Ave
Philadelphia, PA 19104-2603
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| RN803491 | PA | MD | Registered Nurse |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1771286400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771286400000",
"number": "1164375457",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3641 LANCASTER AVE",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191042603"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3641 LANCASTER AVE",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191042603",
"telephone_number": "267-969-1651"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LARSSON",
"first_name": "FIONA",
"sole_proprietor": "NO",
"sex": "X",
"enumeration_date": "2026-02-17",
"last_updated": "2026-02-17",
"certification_date": "2026-02-17",
"status": "A"
},
"taxonomies": [
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "PA",
"license": "RN803491",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Philadelphia, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 17, 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.