Darrow Thom, M.D.
NPI 1891847059 · Psychiatry Physician · Calabasas, CA
Darrow Thom, M.D. is a Psychiatry Physician provider in Calabasas, CA (NPI 1891847059).
Provider details
- NPI number
- 1891847059
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G49313 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-01-17
- Last updated
- 2025-12-23
- Certified
- 2025-12-23
Frequently asked questions
- What is Darrow Thom's NPI number?
- Darrow Thom's National Provider Identifier (NPI) is 1891847059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darrow Thom's specialty?
- Darrow Thom is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Darrow Thom located?
- Darrow Thom's practice location on file with NPPES is 4500 Park Granada Ste 202, Calabasas, CA 91302-1666.
- What is Darrow Thom's phone number?
- The practice phone number listed in the NPPES registry for Darrow Thom is (805) 505-1492.
- Is Darrow Thom's NPI active?
- Yes — Darrow Thom's NPI (1891847059) is active in the NPPES registry as of the last update on 2025-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.