Phiona Tan, FNP
NPI 1770098469 · Family Nurse Practitioner · San Francisco, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phiona Tan, FNP is a Family Nurse Practitioner provider in San Francisco, CA (NPI 1770098469).
Provider details
- NPI number
- 1770098469
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95006549 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 194 | 185 |
| Famotidine | 59 | 15 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 59 | 57 |
| Omeprazole | 55 | 27 |
| Linaclotidebrand: Linzess | 23 | 14 |
| Lansoprazole | 20 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-12-04
- Last updated
- 2017-12-04
Frequently asked questions
- What is Phiona Tan's NPI number?
- Phiona Tan's National Provider Identifier (NPI) is 1770098469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phiona Tan's specialty?
- Phiona Tan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Phiona Tan located?
- Phiona Tan's practice location on file with NPPES is 1842 Noriega St, San Francisco, CA 94122-4324.
- What is Phiona Tan's phone number?
- The practice phone number listed in the NPPES registry for Phiona Tan is (415) 566-8799.
- Does Phiona Tan accept Medicare?
- Phiona Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phiona Tan's NPI active?
- Yes — Phiona Tan's NPI (1770098469) is active in the NPPES registry as of the last update on 2017-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.