Gregory Mark Hermann, M.D.
Radiation Oncology Physician · Detroit, MI
Gregory Mark Hermann, M.D. is a radiation oncology physician with a practice address in Detroit, Michigan, and NPI 1912392564, issued on Mar 31, 2015. Check the license on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Gregory Mark Hermann
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 036152094 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2799 W Grand Blvd, Detroit, MI 48202
- Phone
- (313) 916-2600
- Enumerated
- Mar 31, 2015
- Record last updated
- Apr 1, 2025
- Medicare enrollment
- Enrolled (PECOS I20200619001293); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 239 in Michigan → Look up another NPI →
Also registered at 2799 W Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Omar Abbas, MDAnatomic Pathology & Clinical Pathology Physician1417687450
- Ammaar Abbasi, M.D.Student in an Organized Health Care Education/Training Program1558005157
- Josianne Abboud, MDAnesthesiology Physician1912342791
- Sai Abburi, DOStudent in an Organized Health Care Education/Training Program1124962915
Verify Gregory Mark Hermann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)Check the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average radiation oncology physician in 2024
363 Medicare Part D claims for 134 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 49 claims were for opioids.
Most prescribed
- Tamsulosin Hcl71 claims
- Lidocaine Hcl Viscous45 claims
- Hydrocodone-Acetaminophen31 claims
- Bicalutamide27 claims
- Oxybutynin Chloride Er19 claims
- Sucralfate17 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
- Osf Multi-Specialty GroupGalesburg, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Mark Hermann among 239 radiation oncology physician records in Michigan
Gregory Mark Hermann, M.D. is one of 239 radiation oncology physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2015 · median 2005 among the 172 with a school on file
- Record last updated2025 · 54% 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 Michigan 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 Michigan
There are 239 radiation oncology physician records in Michigan.
All 239 in Michigan → Every provider in Detroit → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Ibrahim Aref, M.D.Detroit, MI 482021376603787
- Aseem Bhatnagar, MDDetroit, MI 482021487323432
- Jadranka Dragovic, M.D.Detroit, MI 482021093875403
- Mohamed Elshaikh, M.D.Detroit, MI 482021861401622
- Aharon FeldmanDetroit, MI 482021235584962
- Jae Ho Kim, M.D.Detroit, MI 482021902966310
- Eric Mellon, M.D., PH.D.Detroit, MI 482021457640062
- Benjamin Movsas, M.D.Detroit, MI 482021811057227
Common questions
What is Gregory Mark Hermann, M.D.'s NPI number?
Gregory Mark Hermann, M.D.'s National Provider Identifier (NPI) is 1912392564, issued on Mar 31, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Mark Hermann, M.D. located?
The NPPES record lists a practice address at 2799 W Grand Blvd, Detroit, MI, 48202. Phone: (313) 916-2600. Providers update this record themselves, so call before visiting.
How can I verify Gregory Mark Hermann, M.D.'s license?
Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Mark Hermann, M.D. prescribe under Medicare Part D?
In 2024, Gregory Mark Hermann, M.D. had 363 Medicare Part D claims for 134 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.