Viswa Nathan, M.D.
NPI 1730161720 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · New Haven, CT
Viswa Nathan, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in New Haven, CT (NPI 1730161720).
Provider details
- NPI number
- 1730161720
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 022728 (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
- 2005-11-16
- Last updated
- 2015-05-15
Frequently asked questions
- What is Viswa Nathan's NPI number?
- Viswa Nathan's National Provider Identifier (NPI) is 1730161720, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Viswa Nathan's specialty?
- Viswa Nathan is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Viswa Nathan located?
- Viswa Nathan's practice location on file with NPPES is 136 Sherman Ave, New Haven, CT 06511-4388.
- What is Viswa Nathan's phone number?
- The practice phone number listed in the NPPES registry for Viswa Nathan is (230) 946-3000.
- Is Viswa Nathan's NPI active?
- Yes — Viswa Nathan's NPI (1730161720) is active in the NPPES registry as of the last update on 2015-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.