NPPES file of Aug 9, 2026

Diane Cheng, PHARM D

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

Diane Cheng, PHARM D is a pharmacist clinician (phc)/ clinical pharmacy specialist with a practice address in Placentia, California, and NPI 1386928521, issued on Oct 6, 2011. Check the license (California 59414, 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
1386928521
Name
Diane Cheng
Credential
PHARM D
Primary taxonomy
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X
License number
59414 CA
Self-reported in NPPES; status is on the state search
Practice location
710 N Rose Dr, Placentia, CA 92870
Phone
(714) 524-6200
Enumerated
Oct 6, 2011
Record last updated
May 22, 2026
Fax
(714) 524-6297
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 710 N Rose Dr

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

  1. Adia HongPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1851270060
  2. Samuel KoriPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1629906078
  3. Bonnie LePharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1730473653
  4. Hayam Mowgood, RPHPharmacist1285929992
  5. Christina Nguyen, PHARMDPharmacist1881358950
  6. Steven SagePharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1720471790

Verify Diane Cheng 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 59414
    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
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96% fewer Medicare Part D claims than the average pharmacist clinician (phc)/ clinical pharmacy specialist in 2024

11 Medicare Part D claims, against an average of 253 among the 1,614 providers of this specialty who prescribed in Part D.

  1. Diane Cheng11
  2. Specialty average253

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.

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

Diane Cheng, 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. Its NPI, issued in 2011, is newer than 20% of them.

  • NPI issued2011 · 20% of these records are older, 71% newer
  • In a Medicare fileYes · 17% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2026 · 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.

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

  1. Adia HongPlacentia, CA 928701851270060
  2. Samuel KoriPlacentia, CA 928701629906078
  3. Bonnie LePlacentia, CA 928701730473653
  4. Steven SagePlacentia, CA 928701720471790
  5. Albert Bach, PHARM.D.Orange, CA 928691922355742
  6. Connie Abdo, PHARMDOrange, CA 928681457185746
  7. Nerissa Alday, PHARMDOrange, CA 928681942891700
  8. Dennis AnkrahOrange, CA 928681043678642

Common questions

What is Diane Cheng, PHARM D's NPI number?

Diane Cheng, PHARM D's National Provider Identifier (NPI) is 1386928521, issued on Oct 6, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Diane Cheng, PHARM D located?

The NPPES record lists a practice address at 710 N Rose Dr, Placentia, CA, 92870. Phone: (714) 524-6200. Providers update this record themselves, so call before visiting.

How can I verify Diane Cheng, PHARM D's license?

NPPES lists California license number 59414, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Diane Cheng, PHARM D prescribe under Medicare Part D?

In 2024, Diane Cheng, PHARM D had 11 Medicare Part D claims; the average among pharmacist clinician (phc)/ clinical pharmacy specialist prescribers was 253. 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.