Anthony Mastroianni, MD
Radiation Oncology Physician · Cleveland, OH
Anthony Mastroianni, MD is a radiation oncology physician with a practice address in Cleveland, Ohio, and NPI 1265517403, issued on Oct 26, 2006. Check the license (Ohio 35065807M, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Anthony Mastroianni
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 35065807M OH
Self-reported in NPPES; status is on the state search - Practice location
- 9500 Euclid Ave, Cleveland, OH 44195
- Phone
- (800) 223-2273
- Enumerated
- Oct 26, 2006
- Record last updated
- Feb 6, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 0266108 OH
- Medicare enrollment
- Enrolled (PECOS I20050912000017); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 298 in Ohio → Look up another NPI →
Also registered at 9500 Euclid Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cassandra Abbatemarco, CNPPsychiatric/Mental Health Nurse Practitioner1417645144
- Walid Abboud, MDInternal Medicine Physician1245295559
Verify Anthony Mastroianni in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35065807MCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average radiation oncology physician in 2024
112 Medicare Part D claims for 56 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Tamsulosin Hcl34 claims
- Oxycodone Hcl23 claims
- Lidocaine Hcl Viscous14 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.
2 hospitals and group practices
- Cleveland ClinicCanton, OH · Acute Care Hospitals4 of 5 stars
- Wooster Clinic LLCWooster, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Anthony Mastroianni among 298 radiation oncology physician records in Ohio
Anthony Mastroianni, 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 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 58% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1992 · median 2008 among the 226 with a school on file
- Record last updated2008 · 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 Cleveland → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- May Abdel-Wahab, MDCleveland, OH 441951982620340
- Henry Blair, MDCleveland, OH 441951831202860
- Samuel Chao, M.D.Cleveland, OH 441951386658656
- Jay Ciezki, MDCleveland, OH 441951841254588
- Aleck Hercbergs, M.D.Cleveland, OH 441951982667879
- Dong Kim, M.D.Cleveland, OH 441951245337666
- Margaret Kranyak, M.D.Cleveland, OH 441951033214663
- Betty Obi, MDCleveland, OH 441951235221862
Common questions
What is Anthony Mastroianni, MD's NPI number?
Anthony Mastroianni, MD's National Provider Identifier (NPI) is 1265517403, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Anthony Mastroianni, MD located?
The NPPES record lists a practice address at 9500 Euclid Ave, Cleveland, OH, 44195. Phone: (800) 223-2273. Providers update this record themselves, so call before visiting.
How can I verify Anthony Mastroianni, MD's license?
NPPES lists Ohio license number 35065807M, 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 Anthony Mastroianni, MD prescribe under Medicare Part D?
In 2024, Anthony Mastroianni, MD had 112 Medicare Part D claims for 56 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.