Joshua Carroll, M.D.
NPI 1821418526 · Psychiatry Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Carroll, M.D. is a Psychiatry Physician provider in San Francisco, CA (NPI 1821418526).
Provider details
- NPI number
- 1821418526
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- ​ 138582 (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
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 655 Canyon RdNovato, CA 94947-4331Phone: (415) 892-3680
- 2275 Market St Ste ESan Francisco, CA 94114-1652Phone: (415) 476-7145
Registry dates
- Enumerated
- 2014-04-21
- Last updated
- 2018-10-17
Frequently asked questions
- What is Joshua Carroll's NPI number?
- Joshua Carroll's National Provider Identifier (NPI) is 1821418526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Carroll's specialty?
- Joshua Carroll is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Carroll located?
- Joshua Carroll's practice location on file with NPPES is 401 Parnassus Ave, San Francisco, CA 94143.
- What is Joshua Carroll's phone number?
- The practice phone number listed in the NPPES registry for Joshua Carroll is (415) 476-5499.
- Does Joshua Carroll accept Medicare?
- Joshua Carroll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Carroll's NPI active?
- Yes — Joshua Carroll's NPI (1821418526) is active in the NPPES registry as of the last update on 2018-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.