IndividualActive
David Nissan, MD
NPI 1790051621 · Psychiatry Physician · San Diego, CA
David Nissan, MD is a Psychiatry Physician provider in San Diego, CA (NPI 1790051621).
Provider details
- NPI number
- 1790051621
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 270549 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
34800 Bob Wilson Dr
San Diego, CA 92134-4870
Phone: (619) 532-5761
Street-level locationGet directions
Mailing address
34800 Bob Wilson Dr
San Diego, CA 92134-1098
Registry dates
- Enumerated
- 2012-03-26
- Last updated
- 2022-05-27
- Certified
- 2022-05-27
Frequently asked questions
- What is David Nissan's NPI number?
- David Nissan's National Provider Identifier (NPI) is 1790051621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Nissan's specialty?
- David Nissan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is David Nissan located?
- David Nissan's practice location on file with NPPES is 34800 Bob Wilson Dr, San Diego, CA 92134-4870.
- What is David Nissan's phone number?
- The practice phone number listed in the NPPES registry for David Nissan is (619) 532-5761.
- Is David Nissan's NPI active?
- Yes — David Nissan's NPI (1790051621) is active in the NPPES registry as of the last update on 2022-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.