IndividualActive
Joshua Neff
NPI 1669933321 · Psychiatry Physician · San Francisco, CA
Joshua Neff is a Psychiatry Physician provider in San Francisco, CA (NPI 1669933321).
Provider details
- NPI number
- 1669933321
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A179018 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(66/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
401 Parnassus Ave
San Francisco, CA 94143-2211
Phone: (415) 476-7000
Street-level locationGet directions
Mailing address
945 Taraval St # 122
San Francisco, CA 94116-2422
Registry dates
- Enumerated
- 2019-03-26
- Last updated
- 2023-08-08
- Certified
- 2023-08-08
Frequently asked questions
- What is Joshua Neff's NPI number?
- Joshua Neff's National Provider Identifier (NPI) is 1669933321, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Neff's specialty?
- Joshua Neff is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Neff located?
- Joshua Neff's practice location on file with NPPES is 401 Parnassus Ave, San Francisco, CA 94143-2211.
- What is Joshua Neff's phone number?
- The practice phone number listed in the NPPES registry for Joshua Neff is (415) 476-7000.
- Is Joshua Neff's NPI active?
- Yes — Joshua Neff's NPI (1669933321) is active in the NPPES registry as of the last update on 2023-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.