Marc Immerman, M.D.
General Practice Physician · Elmira, NY
Marc Immerman, M.D. is a general practice physician with a practice address in Elmira, New York, and NPI 1417967712, issued on Aug 9, 2006. Check the license (New York 174214, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Marc Immerman
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 174214 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1003 Walnut St, Elmira, NY 14901
- Phone
- (607) 732-5646
- Enumerated
- Aug 9, 2006
- Record last updated
- Feb 6, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (607) 732-0373
- Medicaid ID
- 01144467 NY
- Medicare enrollment
- Enrolled (PECOS I20050831000185); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 681 in New York → Look up another NPI →
Also registered at 1003 Walnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sophia Bezirganian, MDPsychiatry Physician1700979572
- Bruce BrennanRegistered Dietitian1669117032
- Carolyn Chaffee, RDRegistered Dietitian1386388601
- Amy Enright, RDRegistered Dietitian1861134330
- Rachel Laughlin, RDRegistered Dietitian1477911352
- Olivia Spadafora, LMSWClinical Social Worker1154898658
Verify Marc Immerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 174214Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average general practice physician in 2024
41 Medicare Part D claims, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Chemung-Schuyler Counties Chapter, Nysarc, IncElmira, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc Immerman among 681 general practice physician records in New York
Marc Immerman, M.D. is one of 681 general practice physician records with a practice address in New York. 49% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 75% newer
- In a Medicare fileYes · 49% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated1985 · median 2002 among the 141 with a school on file
- Record last updated2018 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in New York
There are 681 general practice physician records in New York.
All 681 in New York → Every provider in Elmira → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Robert NovakElmira, NY 149051023638152
- Shern Hart, M.D.Trumansburg, NY 148861255333688
- Jonathan Keffer, MDIthaca, NY 148531447364633
- Heidi Wilson, M.D.Horseheads, NY 148451659486520
- Amechi Odife, MDCorning, NY 148301679787154
- Robert Berke, M.D.Westfield, NY 147871720057599
- Russell Elwell, M.D.Westfield, NY 147871245269364
- Paul Lee, M.D.Randolph, NY 147721790993509
Common questions
What is Marc Immerman, M.D.'s NPI number?
Marc Immerman, M.D.'s National Provider Identifier (NPI) is 1417967712, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc Immerman, M.D. located?
The NPPES record lists a practice address at 1003 Walnut St, Elmira, NY, 14901. Phone: (607) 732-5646. Providers update this record themselves, so call before visiting.
How can I verify Marc Immerman, M.D.'s license?
NPPES lists New York license number 174214, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marc Immerman, M.D. prescribe under Medicare Part D?
In 2024, Marc Immerman, M.D. had 41 Medicare Part D claims; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.