NPPES file of Aug 9, 2026

William Tang, PHARM.D.

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Los Angeles, CA

William Tang, PHARM.D. is a pharmacist clinician (phc)/ clinical pharmacy specialist with a practice address in Los Angeles, California, and NPI 1285032540, issued on Dec 18, 2014. Check the license (California 45062, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1285032540
Name
William Tang
Credential
PHARM.D.
Primary taxonomy
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X
License number
45062 CA
Self-reported in NPPES; status is on the state search
Practice location
4650 W Sunset Blvd # 44, Los Angeles, CA 90027
Phone
(323) 361-2430
Enumerated
Dec 18, 2014
Record last updated
Dec 18, 2014 (not updated in 12 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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8 nearest pharmacist clinician (phc)/ clinical pharmacy specialist records → All 1,593 in California → Look up another NPI →

Also registered at 4650 W Sunset Blvd # 44

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

  1. Gerald LeePharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1871991448
  2. Michelle Yang, PHARMDPharmacist1851847412
  3. Rosana YungPharmacist1831594100

Verify William Tang 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 45062    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

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William Tang among 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records in California

William Tang, PHARM.D. is one of 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records with a practice address in California. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2014, is newer than 41% of them.

  • NPI issued2014 · 41% of these records are older, 52% newer
  • In a Medicare fileNo · 17% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2014 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P0018X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist providers in California

There are 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,593 in California → Every provider in Los Angeles → Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist nationwide →

The 8 pharmacist clinician (phc)/ clinical pharmacy specialist records with the nearest ZIP codes

  1. Armenui Ayrapetyan, PHARMDLos Angeles, CA 900271275920050
  2. Jason Chen, PHARM.D.Los Angeles, CA 900271033515937
  3. Maged GhalyLos Angeles, CA 900271952714982
  4. Pierre Karageuzian, PHARM.D.Los Angeles, CA 900271518360114
  5. Gerald LeeLos Angeles, CA 900271871991448
  6. Robert Mulbrecht, PHARM.D.Los Angeles, CA 900271679898654
  7. Clare Phelan, PHARMDLos Angeles, CA 900271063774743
  8. Marilyn SengLos Angeles, CA 900271790108603

Common questions

What is William Tang, PHARM.D.'s NPI number?

William Tang, PHARM.D.'s National Provider Identifier (NPI) is 1285032540, issued on Dec 18, 2014. An NPI identifies a provider in billing; it is not a license.

Where is William Tang, PHARM.D. located?

The NPPES record lists a practice address at 4650 W Sunset Blvd # 44, Los Angeles, CA, 90027. Phone: (323) 361-2430. Providers update this record themselves, so call before visiting.

How can I verify William Tang, PHARM.D.'s license?

NPPES lists California license number 45062, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.