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PHIONA RIQING TAN FNP
NPI 1770098469
Nurse Practitioner - Family in San Francisco, CA

Active since December 04, 2017PECOS Enrolled
1842 NORIEGA ST, SAN FRANCISCO, CA 94122(415) 566-8799(415) 870-2650 Get Directions Write a Review

NPPES record last updated: December 4, 2017. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Phiona Riqing Tan Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PHIONA RIQING TAN FNP (NPI 1770098469) is an individual family provider in San Francisco, California, licensed in California (95006549) and active in the NPI registry since December 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770098469
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NamePHIONA RIQING TANCredential: FNP
Location Address1842 NORIEGA STSan Francisco, CA 94122-4324
Mailing Address1842 Noriega StSan Francisco, CA 94122-4324 · (415) 566-8799 · Fax (415) 870-2650
Phone(415) 566-8799
Fax(415) 870-2650
Sole ProprietorNo
Enumeration DateDecember 4, 2017
✔ NPI 1770098469 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95006549
1842 NORIEGA ST, San Francisco, CA 94122
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Phiona Riqing Tan Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Phiona Tan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

City & County Of San Francisco
0.6 mi
Mental Health (Including Community Mental Health Center)
1351 24TH AVE STE 207-208
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 1,573 clinicians in this Medicare group
NPI 1669802989 (415) 682-1991

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94122 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Phiona Tan's NPI number?

The NPI number for Phiona Tan is 1770098469. It was assigned to this individual provider in the NPPES registry on December 4, 2017.

Where is Phiona Tan located?

Phiona Tan practices at 1842 Noriega St, San Francisco, CA 94122. The listed phone number is (415) 566-8799.

What is Phiona Tan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Phiona Tan enrolled in Medicare?

Yes. Phiona Tan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Phiona Tan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Phiona Tan reassigns Medicare benefits to City & County Of San Francisco (San Francisco, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Phiona Tan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Phiona Tan was last updated on December 4, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.