NPPES file of Aug 9, 2026

Gary Choy, PHARM.D.

Pharmacotherapy Pharmacist · Oakland, CA

Gary Choy, PHARM.D. is a pharmacotherapy pharmacist with a practice address in Oakland, California, and NPI 1366528150, issued on Oct 27, 2006. Check the license (California 46247, 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
1366528150
Name
Gary Choy
Credential
PHARM.D.
Primary taxonomy
Pharmacotherapy Pharmacist 1835P1200X
License number
46247 CA
Self-reported in NPPES; status is on the state search
Practice location
280 W Macarthur Blvd, Oakland, CA 94611
Phone
(510) 752-6443
Enumerated
Oct 27, 2006
Record last updated
Dec 21, 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 280 W Macarthur Blvd

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

  1. Donna Abare, MDInternal Medicine Physician1386722155
  2. Karen Ahn, M.S.Genetic Counselor (M.S.)1396723532
  3. Kimberly Aikawa-Olin, M.S., R.D., C.D.E.Registered Dietitian1326116740
  4. Leila Al-MarayatiPhysical Therapist1952459109
  5. Elizabeth Alexandro, OTR, CHTHand Occupational Therapist1972662708
  6. Teri Alyami, MDInternal Medicine Physician1326126194

Verify Gary Choy 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 46247    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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12.8 times the Medicare Part D claims of the average pharmacotherapy pharmacist in 2024

5,059 Medicare Part D claims for 883 beneficiaries, against an average of 395 among the 208 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Gary Choy5,059
  2. Specialty average395

Most prescribed

  1. Atorvastatin Calcium786 claims
  2. Metformin Hcl515 claims
  3. Glipizide388 claims
  4. Losartan Potassium331 claims
  5. Lisinopril297 claims
  6. Ozempic260 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.

Pharmacotherapy Pharmacist providers in California

There are 605 pharmacotherapy pharmacist records in California.

All 605 in California → Every provider in Oakland →

Other pharmacotherapy pharmacist records in California

  1. Danny Abifadel, PHARM.D.Chico, CA1427245455
  2. Nidhu Abraham, PHARM.D., BCPSPalo Alto, CA1023543717
  3. Wayne Adams, PHARMD.Pasadena, CA1215760178
  4. Edwin Adlam, PHARMD, CGPSanta Barbara, CA1225026305
  5. Dele Akao, PHARM.D., BCPSValencia, CA1013127588
  6. Barbara Albrecht, PHARM. D.Los Angeles, CA1811083876
  7. Victoria Aldridge, PHARM.D.San Diego, CA1245247733
  8. Chris AmadiSacramento, CA1902655129
  9. Cheryl Amin, PHARMDSan Francisco, CA1780748715
  10. Allen AmirantNorth Hills, CA1639273659

Common questions

What is Gary Choy, PHARM.D.'s NPI number?

Gary Choy, PHARM.D.'s National Provider Identifier (NPI) is 1366528150, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary Choy, PHARM.D. located?

The NPPES record lists a practice address at 280 W Macarthur Blvd, Oakland, CA, 94611. Phone: (510) 752-6443. Providers update this record themselves, so call before visiting.

How can I verify Gary Choy, PHARM.D.'s license?

NPPES lists California license number 46247, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Gary Choy, PHARM.D. prescribe under Medicare Part D?

In 2024, Gary Choy, PHARM.D. had 5,059 Medicare Part D claims for 883 beneficiaries; the average among pharmacotherapy pharmacist prescribers was 395. 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.

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.