Andrew Dean Vassil, M.D.
Radiation Oncology Physician · Cleveland, OH
Andrew Dean Vassil, M.D. is a radiation oncology physician with a practice address in Cleveland, Ohio, and NPI 1235308347, issued on Feb 22, 2008. Check the license (Ohio TRAINING LICENSE, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Andrew Dean Vassil
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- TRAINING LICENSE OH
35.095219 OH
Self-reported in NPPES; status is on the state search - Practice location
- 9500 Euclid Ave, Cleveland, OH 44195
- Phone
- (216) 444-9797
- Enumerated
- Feb 22, 2008
- Record last updated
- Mar 7, 2023
- Medicaid ID
- 3046439 OH
- Medicare enrollment
- Enrolled (PECOS I20100623000251); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 2005
- 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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- Mahmoud AbbassyStudent in an Organized Health Care Education/Training Program1366872574
- Cassandra Abbatemarco, CNPPsychiatric/Mental Health Nurse Practitioner1417645144
- Walid Abboud, MDInternal Medicine Physician1245295559
Verify Andrew Dean Vassil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license TRAINING LICENSECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average radiation oncology physician in 2024
188 Medicare Part D claims for 87 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 22 claims were for opioids.
Most prescribed
- Tamsulosin Hcl50 claims
- Myrbetriq20 claims
- Oxycodone Hcl15 claims
- Dexamethasone12 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 ClinicStrongsville, 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.
Andrew Dean Vassil among 298 radiation oncology physician records in Ohio
Andrew Dean Vassil, M.D. 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 2008, is newer than 46% of them.
- NPI issued2008 · 46% of these records are older, 49% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2005 · median 2008 among the 226 with a school on file
- Record last updated2023 · 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
- Anthony Mastroianni, MDCleveland, OH 441951265517403
Common questions
What is Andrew Dean Vassil, M.D.'s NPI number?
Andrew Dean Vassil, M.D.'s National Provider Identifier (NPI) is 1235308347, issued on Feb 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Dean Vassil, M.D. located?
The NPPES record lists a practice address at 9500 Euclid Ave, Cleveland, OH, 44195. Phone: (216) 444-9797. Providers update this record themselves, so call before visiting.
How can I verify Andrew Dean Vassil, M.D.'s license?
NPPES lists Ohio license number TRAINING LICENSE, 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 Andrew Dean Vassil, M.D. prescribe under Medicare Part D?
In 2024, Andrew Dean Vassil, M.D. had 188 Medicare Part D claims for 87 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.