Frederick W. Willison, MD
Radiation Oncology Physician · Tulsa, OK
Frederick W. Willison, MD is a radiation oncology physician with a practice address in Tulsa, Oklahoma, and NPI 1932177011, issued on Mar 14, 2006. Check the license (Oklahoma 20141, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Frederick W. Willison
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 20141 OK
0101052684 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1923 S Utica Ave, Tulsa, OK 74104
- Phone
- (918) 744-2345
- Enumerated
- Mar 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040823000629); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 56 in Oklahoma → Look up another NPI →
Also registered at 1923 S Utica Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Francis AnangfacRegistered Nurse1689533549
- Brett Anderson, M.D.Emergency Medicine Physician1497042279
- Rebecca Arant, M.D.Emergency Medicine Physician1134220403
- Kanwaljit Aulakh, M.D.Anatomic Pathology & Clinical Pathology Physician1376790329
- Aubrey Ballard, CRNACertified Registered Nurse Anesthetist1679958797
- Dixie Banner, RN, CNSEmergency Clinical Nurse Specialist1932355807
Verify Frederick W. Willison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 20141Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average radiation oncology physician in 2024
27 Medicare Part D claims for 23 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
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.
The MIPS final score for 2023 (Medicare payment program): 91.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Northeastern Health SystemTahlequah, OK · Acute Care Hospitals2 of 5 stars
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.
Frederick W. Willison among 56 radiation oncology physician records in Oklahoma
Frederick W. Willison, MD is one of 56 radiation oncology physician records with a practice address in Oklahoma. 70% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 43% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1989 · median 1998 among the 35 with a school on file
- Record last updated2007 · 57% 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 Oklahoma 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 Oklahoma
There are 56 radiation oncology physician records in Oklahoma.
All 56 in Oklahoma → Every provider in Tulsa → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- James Geurin, M.D.Tulsa, OK 741041437149457
- Diane Heaton, MDTulsa, OK 741041629067962
- Robert Ellis, M.D.Tulsa, OK 741141932111739
- Oneita Taylor, MDTulsa, OK 741331679514772
- William Goad, M.D.Tulsa, OK 741371104860410
- Jeffrey Gerstel, D.O.Tulsa, OK 741461205010600
- Mykhanh Nguyen, M.D.Tulsa, OK 741461508820606
- Anuj Peddada, M.D.Tulsa, OK 741461508846668
Common questions
What is Frederick W. Willison, MD's NPI number?
Frederick W. Willison, MD's National Provider Identifier (NPI) is 1932177011, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frederick W. Willison, MD located?
The NPPES record lists a practice address at 1923 S Utica Ave, Tulsa, OK, 74104. Phone: (918) 744-2345. Providers update this record themselves, so call before visiting.
How can I verify Frederick W. Willison, MD's license?
NPPES lists Oklahoma license number 20141, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Frederick W. Willison, MD prescribe under Medicare Part D?
In 2024, Frederick W. Willison, MD had 27 Medicare Part D claims for 23 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Frederick W. Willison, MD's MIPS final score?
The 2023 MIPS final score is 91.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.