Seymour Fein, M.D.
NPI 1598886723 · Internal Medicine Physician · New Canaan, CT
Seymour Fein, M.D. is a Internal Medicine Physician provider in New Canaan, CT (NPI 1598886723).
Provider details
- NPI number
- 1598886723
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 41399 (MA)
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
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
- 2007-04-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Seymour Fein's NPI number?
- Seymour Fein's National Provider Identifier (NPI) is 1598886723, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Seymour Fein's specialty?
- Seymour Fein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Seymour Fein located?
- Seymour Fein's practice location on file with NPPES is 476 Canoe Hill Rd, New Canaan, CT 06840-3713.
- What is Seymour Fein's phone number?
- The practice phone number listed in the NPPES registry for Seymour Fein is (203) 972-8823.
- Is Seymour Fein's NPI active?
- Yes — Seymour Fein's NPI (1598886723) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.