Registry data as of Aug 27, 2026

Janet Weiss, MD

Medical Toxicology (Preventive Medicine) Physician · Berkeley, CA

Janet Weiss, MD is a medical toxicology (preventive medicine) physician with a practice address in Berkeley, California, and NPI 1861414534, issued on Jul 24, 2006. Check the license (California G53464, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1861414534
Name
Janet Weiss
Credential
MD
Primary taxonomy
Medical Toxicology (Preventive Medicine) Physician 2083T0002X
License number
G53464 CA
Self-reported in NPPES; status is on the state search
Practice location
2120 Carleton St, Berkeley, CA 94704
Phone
(510) 849-4237
Enumerated
Jul 24, 2006
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 Janet Weiss in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G53464
    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
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Medical Toxicology (Preventive Medicine) Physician providers in California

There are 6 medical toxicology (preventive medicine) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other medical toxicology (preventive medicine) physician records in California

  1. Robin Bernhoft, MDOjai, CA1598981623
  2. Frederick Fung, M.D.San Diego, CA1033129127
  3. Thanjira Jiranantakan, MDSan Francisco, CA1841528437
  4. Natalie RodriguezStockton, CA1831020569
  5. Rais Vohra, MDFresno, CA1790740140

Common questions

What is Janet Weiss, MD's NPI number?

Janet Weiss, MD's National Provider Identifier (NPI) is 1861414534, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Janet Weiss, MD located?

The NPPES record lists a practice address at 2120 Carleton St, Berkeley, CA, 94704. Phone: (510) 849-4237. Providers update this record themselves, so call before visiting.

How can I verify Janet Weiss, MD's license?

NPPES lists California license number G53464, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.