Marc R. Mosbacher, MD
Radiation Oncology Physician · Cincinnati, OH
Marc R. Mosbacher, MD is a radiation oncology physician with a practice address in Cincinnati, Ohio, and NPI 1003800400, issued on Aug 31, 2005. Check the license (Ohio 35080764, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Marc R. Mosbacher
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 35080764 OH
37338 KY
Self-reported in NPPES; status is on the state search - Practice location
- 601 Ivy Gtwy Ste 1100, Cincinnati, OH 45245
- Phone
- (513) 751-2273
- Enumerated
- Aug 31, 2005
- Record last updated
- Apr 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 2314212 OH
64051428 KY
200373930 IN - Medicare enrollment
- Enrolled (PECOS I20031121000352); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1997
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 298 in Ohio → Look up another NPI →
Also registered at 601 Ivy Gtwy Ste 1100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aimee Brown, CNPFamily Nurse Practitioner1427456193
- David Drosick, MDMedical Oncology Physician1699768499
- Ajit Gubbi, D.OGynecologic Oncology Physician1023273687
- Benjamin Herms, M.D.Hematology & Oncology Physician1730218876
- Mark Johns, MDHematology & Oncology Physician1407040884
- Hannah Kolish, CNPFamily Nurse Practitioner1861969487
Verify Marc R. Mosbacher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35080764Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average radiation oncology physician in 2024
208 Medicare Part D claims for 81 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 24 claims were for opioids.
Most prescribed
- Tamsulosin Hcl27 claims
- Levetiracetam19 claims
- Mometasone Furoate19 claims
- Lorazepam15 claims
- Dexamethasone12 claims
- Pantoprazole Sodium12 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.
Industry payments in 2024: $521.24
18 payments; by number, the most common kind was food and beverage; the largest payer was Siemens Medical Solutions USA, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Oncology Hematology Care IncCincinnati, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc R. Mosbacher among 298 radiation oncology physician records in Ohio
Marc R. Mosbacher, MD is one of 298 radiation oncology physician records with a practice address in Ohio. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 83% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1997 · median 2008 among the 226 with a school on file
- Record last updated2021 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Ohio
There are 298 radiation oncology physician records in Ohio.
All 298 in Ohio → Every provider in Cincinnati → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Pearl Compaan, MDCincinnati, OH 452451063469211
- Anton Khouri, MDCincinnati, OH 452471093958720
- Michael Shehata, M.D.Cincinnati, OH 452471003933516
- Jessica Guarnaschelli, M.D.Cincinnati, OH 452421538382437
- Rodney Geier, MDCincinnati, OH 452491013900836
- Thomas Morand, M.D.Cincinnati, OH 452391396786661
- Daniel White, M.D.Cincinnati, OH 452391205877578
- Elizabeth Levick, MDCincinnati, OH 452361851385249
Common questions
What is Marc R. Mosbacher, MD's NPI number?
Marc R. Mosbacher, MD's National Provider Identifier (NPI) is 1003800400, issued on Aug 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marc R. Mosbacher, MD located?
The NPPES record lists a practice address at 601 Ivy Gtwy Ste 1100, Cincinnati, OH, 45245. Phone: (513) 751-2273. Providers update this record themselves, so call before visiting.
How can I verify Marc R. Mosbacher, MD's license?
NPPES lists Ohio license number 35080764, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marc R. Mosbacher, MD prescribe under Medicare Part D?
In 2024, Marc R. Mosbacher, MD had 208 Medicare Part D claims for 81 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.