Janet Weiss, MD
NPI 1861414534 · Medical Toxicology (Preventive Medicine) Physician · Berkeley, CA
Janet Weiss, MD is a Medical Toxicology (Preventive Medicine) Physician provider in Berkeley, CA (NPI 1861414534).
Provider details
- NPI number
- 1861414534
- Entity type
- Individual
- Primary specialty
- Medical Toxicology (Preventive Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- G53464 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Janet Weiss's NPI number?
- Janet Weiss's National Provider Identifier (NPI) is 1861414534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janet Weiss's specialty?
- Janet Weiss is listed in the NPPES registry with a primary specialty of Medical Toxicology (Preventive Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Janet Weiss located?
- Janet Weiss's practice location on file with NPPES is 2120 Carleton St, Berkeley, CA 94704-3214.
- What is Janet Weiss's phone number?
- The practice phone number listed in the NPPES registry for Janet Weiss is (510) 849-4237.
- Is Janet Weiss's NPI active?
- Yes — Janet Weiss's NPI (1861414534) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.