David Underhill, MD
NPI 1851398127 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Hartford, CT
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Underhill, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Hartford, CT (NPI 1851398127).
Provider details
- NPI number
- 1851398127
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 032227 (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
- 2005-07-01
- Last updated
- 2022-11-18
Frequently asked questions
- What is David Underhill's NPI number?
- David Underhill's National Provider Identifier (NPI) is 1851398127, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Underhill's specialty?
- David Underhill is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is David Underhill located?
- David Underhill's practice location on file with NPPES is 85 Seymour St, Hartford, CT 06106-5501.
- What is David Underhill's phone number?
- The practice phone number listed in the NPPES registry for David Underhill is (860) 524-5905.
- Does David Underhill accept Medicare?
- David Underhill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Underhill's NPI active?
- Yes — David Underhill's NPI (1851398127) is active in the NPPES registry as of the last update on 2022-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.