NPPES file of Aug 9, 2026

Gary Lynn Horne, PHARMACIST

Pharmacist · San Mateo, CA

Gary Lynn Horne, PHARMACIST is a pharmacist with a practice address in San Mateo, California, and NPI 1245413178, issued on Dec 13, 2007. Check the license (California 42499, 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
1245413178
Name
Gary Lynn Horne
Credential
PHARMACIST
Primary taxonomy
Pharmacist 183500000X
License number
42499 CA
Self-reported in NPPES; status is on the state search
Practice location
222 W 39TH Ave, San Mateo, CA 94403
Phone
(650) 573-2366
Enumerated
Dec 13, 2007
Record last updated
Dec 13, 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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8 nearest pharmacist records → All 32,533 in California → Look up another NPI →

Also registered at 222 W 39TH Ave

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

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  2. Stacey Adelson, NPNurse Practitioner1104951797
  3. Brita Almog, MDPediatrics Physician1033402847
  4. John Anderson, MDObstetrics & Gynecology Physician1013082429
  5. Shea AndersonClinical Social Worker1689964991
  6. Zohra Ansari, MSWClinical Social Worker1326462904

Verify Gary Lynn Horne 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 42499    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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Gary Lynn Horne among 32,533 pharmacist records in California

Gary Lynn Horne, PHARMACIST 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 2007, is newer than 6% of them.

  • NPI issued2007 · 6% of these records are older, 91% 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).

84 pharmacist records list a practice address in San Mateo

They are 84 of the 3,909 NPPES records with a practice address in San Mateo, and 32,533 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 32,533 in California → Every provider in San Mateo → Pharmacist nationwide →

The 8 pharmacist records with the nearest ZIP codes

  1. Kaylee Bui, PHARMDSan Mateo, CA 944031134559214
  2. Becky Embrey, PHARM.D.San Mateo, CA 944031669682415
  3. Derek Huang, PHARMDSan Mateo, CA 944031588737431
  4. Masao Kaku, PHARM DSan Mateo, CA 944031063731446
  5. Amy Kwan, PHARM.D.San Mateo, CA 944031922380898
  6. Lydia LawSan Mateo, CA 944031457636581
  7. Vivian Ly, PHARM.D.San Mateo, CA 944031376824573
  8. Glenn Otterman, RPHSan Mateo, CA 944031275819039

Common questions

What is Gary Lynn Horne, PHARMACIST's NPI number?

Gary Lynn Horne, PHARMACIST's National Provider Identifier (NPI) is 1245413178, issued on Dec 13, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gary Lynn Horne, PHARMACIST located?

The NPPES record lists a practice address at 222 W 39TH Ave, San Mateo, CA, 94403. Phone: (650) 573-2366. Providers update this record themselves, so call before visiting.

How can I verify Gary Lynn Horne, PHARMACIST's license?

NPPES lists California license number 42499, 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.