Richard Allen Weiser, MD
Family Medicine Physician · Los Gatos, CA
Richard Allen Weiser, MD is a family medicine physician with a practice address in Los Gatos, California, and NPI 1861531980, issued on Feb 5, 2007. Check the license (California C31874, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Allen Weiser
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C31874 CA
Self-reported in NPPES; status is on the state search - Practice location
- 320 Dardanelli Lane, Los Gatos, CA 95032
- Phone
- (408) 374-3950
- Enumerated
- Feb 5, 2007
- Record last updated
- Jul 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (408) 374-1970
- Entity
- Type 1 · individual
Also registered at 320 Dardanelli Lane
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Richard Allen Weiser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C31874Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
22 Medicare Part D claims, against an average of 3,544 among the 117,163 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.
45 family medicine physician records list a practice address in Los Gatos
They are 45 of the 1,905 NPPES records with a practice address in Los Gatos, and 17,133 family medicine physician records in California.
All 45 in Los Gatos → All 17,133 in California → Every provider in Los Gatos →
Other family medicine physician records in California
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- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Richard Allen Weiser, MD's NPI number?
Richard Allen Weiser, MD's National Provider Identifier (NPI) is 1861531980, issued on Feb 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Richard Allen Weiser, MD located?
The NPPES record lists a practice address at 320 Dardanelli Lane, Los Gatos, CA, 95032. Phone: (408) 374-3950. Providers update this record themselves, so call before visiting.
How can I verify Richard Allen Weiser, MD's license?
NPPES lists California license number C31874, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Richard Allen Weiser, MD prescribe under Medicare Part D?
In 2024, Richard Allen Weiser, MD had 22 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.