Francis Xavier Gleason, M.D.
NPI 1396770459 · Family Medicine Physician · Smithtown, NY
Francis Xavier Gleason, M.D. is a Family Medicine Physician provider in Smithtown, NY (NPI 1396770459).
Provider details
- NPI number
- 1396770459
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 131082 (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
- 2006-07-11
- Last updated
- 2008-05-05
Frequently asked questions
- What is Francis Xavier Gleason's NPI number?
- Francis Xavier Gleason's National Provider Identifier (NPI) is 1396770459, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Francis Xavier Gleason's specialty?
- Francis Xavier Gleason is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Francis Xavier Gleason located?
- Francis Xavier Gleason's practice location on file with NPPES is 9 Brooksite Dr, Smithtown, NY 11787-3400.
- What is Francis Xavier Gleason's phone number?
- The practice phone number listed in the NPPES registry for Francis Xavier Gleason is (631) 724-1331.
- Is Francis Xavier Gleason's NPI active?
- Yes — Francis Xavier Gleason's NPI (1396770459) is active in the NPPES registry as of the last update on 2008-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.