Gary Hanfling, M.D.
NPI 1356412472 · Specialist · Syosset, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Hanfling, M.D. is a Specialist provider in Syosset, NY (NPI 1356412472).
Provider details
- NPI number
- 1356412472
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 143003 (NY)
Specialties & taxonomies
Other Service Providers
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
- 2006-11-11
- Last updated
- 2008-01-11
Frequently asked questions
- What is Gary Hanfling's NPI number?
- Gary Hanfling's National Provider Identifier (NPI) is 1356412472, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Hanfling's specialty?
- Gary Hanfling is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Gary Hanfling located?
- Gary Hanfling's practice location on file with NPPES is 175 Jericho Tpke, Syosset, NY 11791-4532.
- What is Gary Hanfling's phone number?
- The practice phone number listed in the NPPES registry for Gary Hanfling is (516) 496-4466.
- Does Gary Hanfling accept Medicare?
- Gary Hanfling is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Hanfling's NPI active?
- Yes — Gary Hanfling's NPI (1356412472) is active in the NPPES registry as of the last update on 2008-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.