William S. Vancise, MD
Radiation Oncology Physician · Fremont, OH
William S. Vancise, MD is a radiation oncology physician with a practice address in Fremont, Ohio, and NPI 1952391831, issued on Oct 24, 2005. Check the license (Ohio 35.125388, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- William S. Vancise
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 35.125388 OH
0101251598 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2390 Enterprise St, Fremont, OH 43420
- Phone
- (419) 559-2700
- Enumerated
- Oct 24, 2005
- Record last updated
- May 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid IDs
- 1952391831 VA
5919914 NC - Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 298 in Ohio → Look up another NPI →
Also registered at 2390 Enterprise St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristyn Reser, NP-CFamily Nurse Practitioner1942810338
Verify William S. Vancise in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.125388Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average radiation oncology physician in 2024
21 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Methocarbamol12 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.
William S. Vancise among 298 radiation oncology physician records in Ohio
William S. Vancise, 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 fileNo · 76% of these records are
- Record last updated2020 · 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 Fremont → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Faheem Ahmad, MDBowling Green, OH 434021700882685
- Kara Hertzfeld, MDMaumee, OH 435371174742472
- Wainwright Jaggernauth, MDMaumee, OH 435371689670580
- Jeanne Ashworth, MDMarion, OH 433021720065576
- Chelsea MillerMarion, OH 433021598150708
- Alex RitterMarion, OH 433021336608421
- Hassan Beydoun, M.D.Perrysburg, OH 435511467716969
- Ankit Modh, M.D.Perrysburg, OH 435511518384916
Common questions
What is William S. Vancise, MD's NPI number?
William S. Vancise, MD's National Provider Identifier (NPI) is 1952391831, issued on Oct 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William S. Vancise, MD located?
The NPPES record lists a practice address at 2390 Enterprise St, Fremont, OH, 43420. Phone: (419) 559-2700. Providers update this record themselves, so call before visiting.
How can I verify William S. Vancise, MD's license?
NPPES lists Ohio license number 35.125388, 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 William S. Vancise, MD prescribe under Medicare Part D?
In 2024, William S. Vancise, MD had 21 Medicare Part D claims; 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.