James Rusnak, MD, PHD
NPI 1154658649 · Internal Medicine Physician · East Lyme, CT
James Rusnak, MD, PHD is a Internal Medicine Physician provider in East Lyme, CT (NPI 1154658649).
Provider details
- NPI number
- 1154658649
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD072604L (PA)
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
16 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
- 2009-11-04
- Last updated
- 2009-11-04
Frequently asked questions
- What is James Rusnak's NPI number?
- James Rusnak's National Provider Identifier (NPI) is 1154658649, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Rusnak's specialty?
- James Rusnak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Rusnak located?
- James Rusnak's practice location on file with NPPES is 3 Aberdeen Ct, East Lyme, CT 06333-1162.
- What is James Rusnak's phone number?
- The practice phone number listed in the NPPES registry for James Rusnak is (860) 389-0426.
- Is James Rusnak's NPI active?
- Yes — James Rusnak's NPI (1154658649) is active in the NPPES registry as of the last update on 2009-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.