Thomas Stewart, MD
NPI 1861473647 · Psychiatry Physician · New Haven, CT
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Stewart, MD is a Psychiatry Physician provider in New Haven, CT (NPI 1861473647).
Provider details
- NPI number
- 1861473647
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 030776 (CT)
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
- 2005-11-09
- Last updated
- 2026-05-03
Frequently asked questions
- What is Thomas Stewart's NPI number?
- Thomas Stewart's National Provider Identifier (NPI) is 1861473647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Stewart's specialty?
- Thomas Stewart is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Stewart located?
- Thomas Stewart's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is Thomas Stewart's phone number?
- The practice phone number listed in the NPPES registry for Thomas Stewart is (203) 688-2619.
- Does Thomas Stewart accept Medicare?
- Thomas Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Stewart's NPI active?
- Yes — Thomas Stewart's NPI (1861473647) is active in the NPPES registry as of the last update on 2026-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.