What is Fiona Larsson's NPI number?

Fiona Larsson's National Provider Identifier (NPI) is 1164375457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Fiona Larsson's specialty?

Fiona Larsson is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Fiona Larsson located?

Fiona Larsson's practice location on file with NPPES is 3641 Lancaster Ave, Philadelphia, PA 19104-2603.

What is Fiona Larsson's phone number?

The practice phone number listed in the NPPES registry for Fiona Larsson is (267) 969-1651.

Is Fiona Larsson's NPI active?

Yes — Fiona Larsson's NPI (1164375457) is active in the NPPES registry as of the last update on 2026-02-17.

IndividualActive

Fiona Larsson

NPI 1164375457 · Registered Nurse · Philadelphia, PA

Fiona Larsson is a Registered Nurse provider in Philadelphia, PA (NPI 1164375457).

Provider details

NPI number: 1164375457
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Sole proprietor: No
License: RN803491 (PA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense RN803491 (PA)
Nursing Service Providers

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

3641 Lancaster Ave

Philadelphia, PA 19104-2603

Phone: (267) 969-1651

Street-level locationGet directions

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Mailing address