Dr. Marc Immerman, MD
- Medicare services, 2021
- 359
- Part D claims, 2024
- 41
- Hospital affiliations
- 1
- Industry payments
- $154
- Medical groups
- 5
- Practice address
- 600 Roe Avenue, Elmira, NY 14905
- Practice phone
- Call (607) 737-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Marc Immerman is a general practice physician in Elmira, New York
Dr. Immerman practices at Arnot Ogden Medical Center in Elmira, New York, part of Centralus Health.
Dr. Immerman's NPI, 1417967712, was assigned on August 9, 2006. Dr. Immerman graduated from University of Vermont College of Medicine in 1985. Dr. Immerman holds New York license 174214.
- NPI
- 1417967712NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183656077
- NPI enumeration date
- August 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (607) 737-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marc Immerman practices at Arnot Ogden Medical Center in Elmira, New York
Dr. Immerman's primary practice is Arnot Ogden Medical Center, at 600 Roe Avenue, Elmira, NY 14905 in Chemung County. The practice phone is (607) 737-4100.
- Arnot Ogden Medical Center600 Roe Avenue, Elmira, NY 14905 · Chemung CountyPhone(607) 737-4100
Source: Dmand AI Affiliation Data
Dr. Marc Immerman is affiliated with 3 sites of care and 5 medical groups
Dr. Immerman's primary practice is Arnot Ogden Medical Center in Elmira, New York, part of Centralus Health. The medical group on file is Arnot Ogden Medical Center. Dmand AI also links Dr. Immerman to 4 more medical groups and 2 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marc Immerman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Immerman practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arnot Ogden Medical Center | Available with a free account |
| +2 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marc Immerman is one of 397 general practice physicians in New York
General practice is Dr. Immerman's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Immerman is licensed in New York.
Specialties and state licenses
- General practice, New YorkPrimary
General practice physicians near Dr. Immerman
Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Marc Immerman billed Medicare for 359 services in 2021
CMS data shows 359 Medicare services from Dr. Immerman across 5 procedure codes in 2021. Medicare paid $19,646 for them. Every service was in an office.
Dr. Immerman's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 1,1092021: 20182%
- Tests and treatments
- 2020: 7452021: 15879%
Dr. Immerman compared with the New York median for general practice physicians, 2021
- Dr. Immerman
- New York median
- Medicare services
- 359vs 356Close to median
- Part D claims
- 39vs 12669% below
Medians across 362 general practice physicians in New York with Dmand AI profiles that report each measure.
Dr. Immerman's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marc Immerman's patients have a median age of 22
Across all payers, Dmand AI patient panel data puts Dr. Immerman's median patient age at 22, with 60% women.
Dr. Immerman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 22
Patient panel by sex, all payers
- Women60%
- Men37%
Source: Dmand AI Patient Panel Data
Dr. Marc Immerman wrote 41 Medicare Part D claims in 2024
In 2024, Dr. Immerman wrote 41 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 39 of them, across 3 drugs with 11 or more claims each, at $458 in total drug cost. In 2021, CMS named 139 claims across 9 drugs.
Dr. Immerman's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1392022: 3972%
Drugs named by CMS: 3 in 2022, 9 in 2021.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Marc Immerman takes part in Medicare
Dr. Immerman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Marc Immerman received $154 in industry payments from 2016 to 2018
CMS Open Payments shows 9 general payments to Dr. Immerman from 4 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $112.
General payments to Dr. Immerman by program year, 2016 to 2018
Companies that paid Dr. Immerman the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marc Immerman graduated from University of Vermont College of Medicine
Dr. Immerman graduated from University of Vermont College of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marc Immerman's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Marc Immerman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Marc Immerman's NPI number?
Dr. Marc Immerman's NPI number is 1417967712. It was assigned on August 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc Immerman?
Dr. Marc Immerman is a general practice physician in Elmira, New York. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Marc Immerman practice?
Dr. Immerman practices at 600 Roe Avenue, Elmira, NY 14905. Dr. Immerman's primary practice is Arnot Ogden Medical Center in Elmira, New York, part of Centralus Health. Dmand AI also links Dr. Immerman to 4 medical groups and 2 group practices and clinics.
What is Dr. Marc Immerman's office phone number?
The practice phone on file for Dr. Immerman is (607) 737-4100.
What is Dr. Marc Immerman's medical license number?
Dr. Immerman holds New York license 174214.
Which hospitals is Dr. Marc Immerman affiliated with?
Dr. Immerman practices at Arnot Ogden Medical Center in Elmira, New York.
What medical group is Dr. Marc Immerman part of?
Dr. Immerman is linked to Arnot Ogden Medical Center. Dmand AI links Dr. Immerman to 4 more medical groups.
Does Dr. Marc Immerman accept Medicare?
Yes. CMS data shows Dr. Immerman billed Medicare for 359 services in 2021, and Dr. Immerman accepts Medicare assignment.
What services does Dr. Marc Immerman bill to Medicare?
In 2021, Dr. Immerman's most billed Medicare services were lung function service (94726), office visit, established patient (99213) and care management and other visits (99422).
Where did Dr. Marc Immerman go to medical school?
Dr. Immerman graduated from University of Vermont College of Medicine in 1985.
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What drugs does Dr. Marc Immerman prescribe most?
In 2022 Medicare Part D data, Dr. Immerman's most prescribed drugs by claims were Lisinopril, Metoprolol Succinate and Hydrochlorothiazide.
Has Dr. Marc Immerman received payments from drug or device companies?
CMS Open Payments shows $154 in general payments to Dr. Immerman from 4 companies from 2016 to 2018. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Marc Immerman been practicing?
Dr. Immerman graduated from medical school in 1985, 41 years ago.
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