Dennis Weiss, M.D.
NPI 1427021203 · Psychiatry Physician · Berkeley, CA
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Weiss, M.D. is a Psychiatry Physician provider in Berkeley, CA (NPI 1427021203).
Provider details
- NPI number
- 1427021203
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- G17751 (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
- 2006-02-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Dennis Weiss's NPI number?
- Dennis Weiss's National Provider Identifier (NPI) is 1427021203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Weiss's specialty?
- Dennis Weiss is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Weiss located?
- Dennis Weiss's practice location on file with NPPES is 2340 Ward St, Berkeley, CA 94705-1124.
- What is Dennis Weiss's phone number?
- The practice phone number listed in the NPPES registry for Dennis Weiss is (510) 848-5308.
- Does Dennis Weiss accept Medicare?
- Dennis Weiss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Weiss's NPI active?
- Yes — Dennis Weiss's NPI (1427021203) 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.