William Fan, FNP-C
Family Nurse Practitioner · Mountain View, CA
William Fan, FNP-C is a family nurse practitioner with a practice address in Mountain View, California, and NPI 1548833510, issued on Jul 19, 2021. Check the license (California 95016247, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Fan
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95016247 CA
Self-reported in NPPES; status is on the state search - Practice location
- 701 E EL Camino Real, Mountain View, CA 94040
- Phone
- (650) 734-7808
- Enumerated
- Jul 19, 2021
- Record last updated
- Sep 29, 2023
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 701 E EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Fan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95016247Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average family nurse practitioner in 2024
350 Medicare Part D claims for 40 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium31 claims
- Memantine Hcl27 claims
- Gabapentin18 claims
- Lisinopril17 claims
- Losartan Potassium17 claims
- Donepezil Hcl13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
William Fan among 16,966 family nurse practitioner records in California
William Fan, FNP-C is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 62% of them.
- NPI issued2021 · 62% of these records are older, 32% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 family nurse practitioner records list a practice address in Mountain View
They are 56 of the 2,467 NPPES records with a practice address in Mountain View, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Mountain View → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Rebecca Anderson, FNPMountain View, CA 940401316232671
- Christina Biondolillo, CRNPMountain View, CA 940401760411037
- Lourdes Canfield, FNP-BCMountain View, CA 940401568488534
- Katherine Gipsh, NPMountain View, CA 940401104873074
- Julia Gourd, FNPMountain View, CA 940401508964743
- Laurie Granberry, NPMountain View, CA 940401699832725
- Lisa Kucera, F.N.P.Mountain View, CA 940401588905236
- Deborah Mason, RNMountain View, CA 940401932404506
Common questions
What is William Fan, FNP-C's NPI number?
William Fan, FNP-C's National Provider Identifier (NPI) is 1548833510, issued on Jul 19, 2021. An NPI identifies a provider in billing; it is not a license.
Where is William Fan, FNP-C located?
The NPPES record lists a practice address at 701 E EL Camino Real, Mountain View, CA, 94040. Phone: (650) 734-7808. Providers update this record themselves, so call before visiting.
How can I verify William Fan, FNP-C's license?
NPPES lists California license number 95016247, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does William Fan, FNP-C prescribe under Medicare Part D?
In 2024, William Fan, FNP-C had 350 Medicare Part D claims for 40 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.