Glenn Harmon Weissman, MD
Specialist · Arcadia, CA
Glenn Harmon Weissman, MD is a specialist with a practice address in Arcadia, California, and NPI 1689606311, issued on Jul 6, 2006. Check the license (California G41381, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Glenn Harmon Weissman
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- G41381 CA
Self-reported in NPPES; status is on the state search - Practice location
- 51 N. Fifth Ave., Ste. 202, Arcadia, CA 91006
- Phone
- (626) 357-6222
- Enumerated
- Jul 6, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (626) 357-0115
- Medicaid ID
- 00G413810 CA
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Verify Glenn Harmon Weissman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G41381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average specialist in 2024
24 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
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.
Glenn Harmon Weissman among 5,749 specialist records in California
Glenn Harmon Weissman, MD is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Arcadia → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Dana Kang, MDArcadia, CA 910061982803813
- Marisa MartinezArcadia, CA 910061134086085
- Samuel Mourani, M.D.Arcadia, CA 910061952303414
- Charles Imbus, MDArcadia, CA 910071912999764
- Scott Nelson, M.D.Arcadia, CA 910071982687042
- Michael Perera, M.D.Arcadia, CA 910071710918222
- Andreas Subadya, M.D.Arcadia, CA 910071528148350
- Senlin WangArcadia, CA 910071629674080
Common questions
What is Glenn Harmon Weissman, MD's NPI number?
Glenn Harmon Weissman, MD's National Provider Identifier (NPI) is 1689606311, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Glenn Harmon Weissman, MD located?
The NPPES record lists a practice address at 51 N. Fifth Ave., Ste. 202, Arcadia, CA, 91006. Phone: (626) 357-6222. Providers update this record themselves, so call before visiting.
How can I verify Glenn Harmon Weissman, MD's license?
NPPES lists California license number G41381, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Glenn Harmon Weissman, MD prescribe under Medicare Part D?
In 2024, Glenn Harmon Weissman, MD had 24 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.