WILLIAM FAN FNP-C
NPI 1548833510
Nurse Practitioner - Family in Mountain View, CA

Q: What is William Fan's NPI number?

The NPI number for William Fan is 1548833510. It was assigned to this individual provider in the NPPES registry on July 19, 2021.

Q: What is William Fan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Fan was last updated on September 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since July 19, 2021PECOS Enrolled

701 E EL CAMINO REAL, MOUNTAIN VIEW, CA 94040(650) 734-7808 Get Directions Write a Review

NPPES record last updated: September 29, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 18, 2021, Jul 19, 2021 (2 updates tracked since 2021).

On this page

About William Fan Fnp-c NPPES

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

WILLIAM FAN FNP-C (NPI 1548833510) is an individual family provider in Mountain View, California, licensed in California (95016247) and active in the NPI registry since July 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1548833510

Entity TypeIndividualMale

Primary Taxonomy363LF0000X

Provider Legal NameWILLIAM FANCredential: FNP-C

Location Address701 E EL CAMINO REALMountain View, CA 94040-2833

Mailing Address325 Distel CirLos Altos, CA 94022-1408

Phone(650) 734-7808

Sole ProprietorNo

Enumeration DateJuly 19, 2021

Last NPPES UpdateSeptember 29, 20232 updates tracked since enumeration

NPPES CertifiedSeptember 29, 2023

✔ NPI 1548833510 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 · 95016247

701 E EL CAMINO REAL, Mountain View, CA 94040

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Fan Fnp-c 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94040 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

$106.47 typical visit price

range $70.37 – $206.04

Typical copayment $26.61 (range $17.59 – $51.51)

Most-billed visit code 99203

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JULIA A CRONIN MD

Allergy & Immunology (Allergy)