Thomas Degnan, MD
NPI 1972871994 · Hematology & Oncology Physician · Stony Brook, NY
Thomas Degnan, MD is a Hematology & Oncology Physician provider in Stony Brook, NY (NPI 1972871994).
Provider details
- NPI number
- 1972871994
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 084344-1 (NY)
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
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
- 2011-12-05
- Last updated
- 2012-06-05
Frequently asked questions
- What is Thomas Degnan's NPI number?
- Thomas Degnan's National Provider Identifier (NPI) is 1972871994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Degnan's specialty?
- Thomas Degnan is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Degnan located?
- Thomas Degnan's practice location on file with NPPES is 40 Hopewell Dr, Stony Brook, NY 11790-2339.
- What is Thomas Degnan's phone number?
- The practice phone number listed in the NPPES registry for Thomas Degnan is (631) 675-6190.
- Is Thomas Degnan's NPI active?
- Yes — Thomas Degnan's NPI (1972871994) is active in the NPPES registry as of the last update on 2012-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.