Michael I. Ghilezan, MD, PHD
Radiation Oncology Physician · Pontiac, MI
Michael I. Ghilezan, MD, PHD is a radiation oncology physician with a practice address in Pontiac, Michigan, and NPI 1164481859, issued on Mar 21, 2006. Check the license (Michigan 4301079938, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Michael I. Ghilezan
- Credential
- MD, PHD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 4301079938 MI
Self-reported in NPPES; status is on the state search - Practice location
- 70 Fulton St, Pontiac, MI 48341
- Phone
- (248) 338-0300
- Enumerated
- Mar 21, 2006
- Record last updated
- Jan 24, 2022
- Fax
- (248) 338-0663
- Medicaid ID
- 4535709 MI
- Medicare enrollment
- Enrolled (PECOS I20070326000309); 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 70 Fulton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Antonucci, M.D.Radiation Oncology Physician1619181369
- Larry KestinRadiation Oncology Physician1073572434
- Simul Parikh, MDRadiation Oncology Physician1679767768
- Frank Vicini, M.D.Radiation Oncology Physician1871553826
Verify Michael I. Ghilezan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301079938Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average radiation oncology physician in 2024
308 Medicare Part D claims for 123 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl211 claims
- Ibuprofen32 claims
- Celecoxib17 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: $111.93
4 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, 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
- American Oncologic Associates OF Michigan PCPontiac, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael I. Ghilezan among 239 radiation oncology physician records in Michigan
Michael I. Ghilezan, MD, PHD 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 55% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1988 · median 2005 among the 172 with a school on file
- Record last updated2022 · 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 Pontiac → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- John Antonucci, M.D.Pontiac, MI 483411619181369
- Larry KestinPontiac, MI 483411073572434
- Simul Parikh, MDPontiac, MI 483411679767768
- Frank Vicini, M.D.Pontiac, MI 483411871553826
- Thomas Boike, M.D.Clarkston, MI 483461699970525
- James Fontanesi, M.D.Farmington Hills, MI 483361316918519
- Kay Miller, M.D.Clarkston, MI 483461104890623
- Ahmed Ezz, MDFarmington Hills, MI 483341407843774
Common questions
What is Michael I. Ghilezan, MD, PHD's NPI number?
Michael I. Ghilezan, MD, PHD's National Provider Identifier (NPI) is 1164481859, issued on Mar 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael I. Ghilezan, MD, PHD located?
The NPPES record lists a practice address at 70 Fulton St, Pontiac, MI, 48341. Phone: (248) 338-0300. Providers update this record themselves, so call before visiting.
How can I verify Michael I. Ghilezan, MD, PHD's license?
NPPES lists Michigan license number 4301079938, as entered by the provider. 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 Michael I. Ghilezan, MD, PHD prescribe under Medicare Part D?
In 2024, Michael I. Ghilezan, MD, PHD had 308 Medicare Part D claims for 123 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.