Frank Seifert, M.D.
NPI 1134148901 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Stony Brook, NY
Frank Seifert, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Stony Brook, NY (NPI 1134148901).
Provider details
- NPI number
- 1134148901
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 154255 (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
19 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
- 2006-07-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Frank Seifert's NPI number?
- Frank Seifert's National Provider Identifier (NPI) is 1134148901, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Seifert's specialty?
- Frank Seifert is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Frank Seifert located?
- Frank Seifert's practice location on file with NPPES is University Hospital, L5, Stony Brook, NY 11794.
- What is Frank Seifert's phone number?
- The practice phone number listed in the NPPES registry for Frank Seifert is (631) 444-2565.
- Is Frank Seifert's NPI active?
- Yes — Frank Seifert's NPI (1134148901) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.