Ananthakumar Thillainathan, MD
NPI 1285900621 · Internal Medicine Physician · Stratford, CT
Ananthakumar Thillainathan, MD is a Internal Medicine Physician provider in Stratford, CT (NPI 1285900621).
Provider details
- NPI number
- 1285900621
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 053980 (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
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 2044 Bridgeport AveMilford, CT 06460-4633Phone: (203) 878-1006
Registry dates
- Enumerated
- 2012-03-29
- Last updated
- 2020-07-14
- Certified
- 2020-07-14
Frequently asked questions
- What is Ananthakumar Thillainathan's NPI number?
- Ananthakumar Thillainathan's National Provider Identifier (NPI) is 1285900621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ananthakumar Thillainathan's specialty?
- Ananthakumar Thillainathan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ananthakumar Thillainathan located?
- Ananthakumar Thillainathan's practice location on file with NPPES is 3000 Main St, Stratford, CT 06614-4939.
- What is Ananthakumar Thillainathan's phone number?
- The practice phone number listed in the NPPES registry for Ananthakumar Thillainathan is (516) 582-1948.
- Is Ananthakumar Thillainathan's NPI active?
- Yes — Ananthakumar Thillainathan's NPI (1285900621) is active in the NPPES registry as of the last update on 2020-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.