NPPES file of Aug 9, 2026

Li Feng Feng

Pharmacist · Castro Valley, CA

Li Feng Feng is a pharmacist with a practice address in Castro Valley, California, and NPI 1043806227, issued on Dec 12, 2020. Check the license (California 83371, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043806227
Name
Li Feng Feng
Primary taxonomy
Pharmacist 183500000X
License numbers
83371 CA
20703 NV
Self-reported in NPPES; status is on the state search
Practice location
3667 Castro Valley Blvd, Castro Valley, CA 94546
Phone
(510) 538-1227
Enumerated
Dec 12, 2020
Record last updated
Aug 24, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3667 Castro Valley Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Vandana AroraPharmacist1033643283
  2. Jane Chew, PHARM.D.Pharmacist1194093690
  3. Phi Nguyen, PHARMDPharmacist1023542917
  4. Anjali PatelPharmacist1619333986
  5. Danh PhanPharmacist1790211548
  6. Benny Tan, PHARMDPharmacist1508421447

Verify Li Feng Feng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 83371
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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80% fewer Medicare Part D claims than the average pharmacist in 2024

24 Medicare Part D claims for 24 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D.

  1. Li Feng Feng24
  2. Specialty average119

Most prescribed

  1. Gavilyte-G13 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.

Li Feng Feng among 32,533 pharmacist records in California

Li Feng Feng is one of 32,533 pharmacist records with a practice address in California. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 73% of them.

  • NPI issued2020 · 73% of these records are older, 21% newer
  • In a Medicare fileYes · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2021 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

48 pharmacist records list a practice address in Castro Valley

They are 48 of the 999 NPPES records with a practice address in Castro Valley, and 32,533 pharmacist records in California.

The 8 pharmacist records with the nearest ZIP codes

  1. Forrest Batz, PHARM.D.Castro Valley, CA 945461932200813
  2. Robert Brans, PHARMDCastro Valley, CA 945461306923651
  3. Jane Chew, PHARM.D.Castro Valley, CA 945461194093690
  4. Crystal Choi, PHARM DCastro Valley, CA 945461023395076
  5. Anita Chui, PHARM.D.Castro Valley, CA 945461629354097
  6. Jay DaveCastro Valley, CA 945461942563671
  7. Robert Duey, PHARM DCastro Valley, CA 945461366529588
  8. Jeremiah Gonzales, PHARM DCastro Valley, CA 945461144520438

Common questions

What is Li Feng Feng's NPI number?

Li Feng Feng's National Provider Identifier (NPI) is 1043806227, issued on Dec 12, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Li Feng Feng located?

The NPPES record lists a practice address at 3667 Castro Valley Blvd, Castro Valley, CA, 94546. Phone: (510) 538-1227. Providers update this record themselves, so call before visiting.

How can I verify Li Feng Feng's license?

NPPES lists California license number 83371, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Li Feng Feng prescribe under Medicare Part D?

In 2024, Li Feng Feng had 24 Medicare Part D claims for 24 beneficiaries; the average among pharmacist prescribers was 119. 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.