Mark Geller, M.D.
NPI 1083604896 · Diagnostic Radiology Physician · New City, NY
Mark Geller, M.D. is a Diagnostic Radiology Physician provider in New City, NY (NPI 1083604896).
Provider details
- NPI number
- 1083604896
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 173539-1 (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
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
- 2005-10-24
- Last updated
- 2013-12-06
Frequently asked questions
- What is Mark Geller's NPI number?
- Mark Geller's National Provider Identifier (NPI) is 1083604896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Geller's specialty?
- Mark Geller is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Geller located?
- Mark Geller's practice location on file with NPPES is 18 Squadron Blvd, New City, NY 10956-5210.
- What is Mark Geller's phone number?
- The practice phone number listed in the NPPES registry for Mark Geller is (845) 634-9729.
- Is Mark Geller's NPI active?
- Yes — Mark Geller's NPI (1083604896) is active in the NPPES registry as of the last update on 2013-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.