NPPES file of Aug 9, 2026

Robert H. Duey, PHARM D

Pharmacist · Castro Valley, CA

Robert H. Duey, PHARM D is a pharmacist with a practice address in Castro Valley, California, and NPI 1366529588, issued on Nov 1, 2006. Check the license (California 23508, 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
1366529588
Name
Robert H. Duey
Credential
PHARM D
Primary taxonomy
Pharmacist 183500000X
License number
23508 CA
Self-reported in NPPES; status is on the state search
Practice location
4592 Ewing RD, Castro Valley, CA 94546
Phone
(510) 886-3032
Enumerated
Nov 1, 2006
Record last updated
Jul 8, 2007 (not updated in 19 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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Verify Robert H. Duey 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 23508
    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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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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Robert H. Duey among 32,533 pharmacist records in California

Robert H. Duey, PHARM D 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 not. Its NPI, issued in 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 94% newer
  • In a Medicare fileNo · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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. Jeremiah Gonzales, PHARM DCastro Valley, CA 945461144520438
  8. Linna Lee, RPHCastro Valley, CA 945461942585393

Common questions

What is Robert H. Duey, PHARM D's NPI number?

Robert H. Duey, PHARM D's National Provider Identifier (NPI) is 1366529588, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert H. Duey, PHARM D located?

The NPPES record lists a practice address at 4592 Ewing RD, Castro Valley, CA, 94546. Phone: (510) 886-3032. Providers update this record themselves, so call before visiting.

How can I verify Robert H. Duey, PHARM D's license?

NPPES lists California license number 23508, 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.

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.