William L. Barrett, MD
Radiation Oncology Physician · Cincinnati, OH
William L. Barrett, MD is a radiation oncology physician with a practice address in Cincinnati, Ohio, and NPI 1124010228, issued on Aug 16, 2005. Check the license (Ohio 35-05-7713, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- William L. Barrett
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 35-05-7713 OH
Self-reported in NPPES; status is on the state search - Practice location
- 234 Goodman St, Cincinnati, OH 45219
- Phone
- (513) 584-3494
- Enumerated
- Aug 16, 2005
- Record last updated
- Feb 8, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (513) 584-4007
- Medicaid IDs
- 0725746 OH
64930258 KY
200039450A IN - Medicare enrollment
- Enrolled (PECOS I20090626000097); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 298 in Ohio → Look up another NPI →
Also registered at 234 Goodman St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alrawy Abdou, MDStudent in an Organized Health Care Education/Training Program1992689947
- Yamuna Abhayawardhane, M.D., PH.D.Hospitalist Physician1104881580
- Abdullah Abohimed, MDStudent in an Organized Health Care Education/Training Program1942183181
- Khaled Abou El-Ezz, MB CHBHospitalist Physician1174802201
- Patricia Adams, R.N., MSN, AOCNSOncology Clinical Nurse Specialist1053618868
- Olufunmilayo Adewumi, NP-CAdult Health Nurse Practitioner1083743819
Verify William L. Barrett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35-05-7713Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.8 times the Medicare Part D claims of the average radiation oncology physician in 2024
907 Medicare Part D claims for 184 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 98 claims were for opioids.
Most prescribed
- Tamsulosin Hcl212 claims
- Finasteride74 claims
- Abiraterone Acetate66 claims
- Prednisone65 claims
- Bicalutamide48 claims
- Xtandi41 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $17.14
1 payment: food and beverage; the largest payer was Tempus AI, 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
- University OF Cincinnati Physicians Company LLCCincinnati, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William L. Barrett among 298 radiation oncology physician records in Ohio
William L. Barrett, 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 fileYes · 76% of these records are
- Graduated1987 · median 2008 among the 226 with a school on file
- Record last updated2018 · 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 Cincinnati → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- John Breneman, MDCincinnati, OH 452191922090075
- Emily Daugherty, MDCincinnati, OH 452191285073569
- Natalie Geier, M.D.Cincinnati, OH 452191851735252
- David GiusCincinnati, OH 452191447589734
- Kris Huang, MDCincinnati, OH 452191861641458
- Jordan Kharofa, MDCincinnati, OH 452191699917088
- David Long, MDCincinnati, OH 452191902223324
- John Masino, MD, PHDCincinnati, OH 452191659674083
Common questions
What is William L. Barrett, MD's NPI number?
William L. Barrett, MD's National Provider Identifier (NPI) is 1124010228, issued on Aug 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William L. Barrett, MD located?
The NPPES record lists a practice address at 234 Goodman St, Cincinnati, OH, 45219. Phone: (513) 584-3494. Providers update this record themselves, so call before visiting.
How can I verify William L. Barrett, MD's license?
NPPES lists Ohio license number 35-05-7713, 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 L. Barrett, MD prescribe under Medicare Part D?
In 2024, William L. Barrett, MD had 907 Medicare Part D claims for 184 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is William L. Barrett, MD's MIPS final score?
The 2023 MIPS final score is 78.8 of 100, reported for the practice group. 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.