Marc Immerman, M.D.
NPI 1417967712 · General Practice Physician · Elmira, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Immerman, M.D. is a General Practice Physician provider in Elmira, NY (NPI 1417967712).
Provider details
- NPI number
- 1417967712
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 174214 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-08-09
- Last updated
- 2018-02-06
Frequently asked questions
- What is Marc Immerman's NPI number?
- Marc Immerman's National Provider Identifier (NPI) is 1417967712, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Immerman's specialty?
- Marc Immerman is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Immerman located?
- Marc Immerman's practice location on file with NPPES is 1003 Walnut St, Elmira, NY 14901-1007.
- What is Marc Immerman's phone number?
- The practice phone number listed in the NPPES registry for Marc Immerman is (607) 732-5646.
- Does Marc Immerman accept Medicare?
- Marc Immerman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Immerman's NPI active?
- Yes — Marc Immerman's NPI (1417967712) is active in the NPPES registry as of the last update on 2018-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.