Joshua Aaron Regal, M.D., PH.D.
Radiation Oncology Physician · Buffalo, NY
Joshua Aaron Regal, M.D., PH.D. is a radiation oncology physician with a practice address in Buffalo, New York, and NPI 1184155814, issued on Mar 24, 2017. Check the license (New York 320186, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Joshua Aaron Regal
- Credential
- M.D., PH.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 320186 NY
A179311 CA
MD61271931 WA
Self-reported in NPPES; status is on the state search - Practice location
- Elm And Carlton St, Buffalo, NY 14263
- Phone
- (716) 845-2300
- Enumerated
- Mar 24, 2017
- Record last updated
- Dec 30, 2022
- Fax
- (716) 845-3549
- Medicare enrollment
- Enrolled (PECOS I20230302000275); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2015
- Entity
- Type 1 · individual
Also registered at Elm And Carlton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Abel, RPHPharmacist1649578113
- Anuja AbhyankarMedical Oncology Physician1679181424
- Sara Abou Azar, M.D.Surgery Physician1689103541
- Tina Agostinelli, PAPhysician Assistant1528621885
- Eric Ahn, MDGastroenterology Physician1134528912
- Christine Aiduk, NPObstetrics & Gynecology Nurse Practitioner1255314555
Verify Joshua Aaron Regal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 320186Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average radiation oncology physician in 2024
197 Medicare Part D claims for 93 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Mometasone Furoate45 claims
- Oxybutynin Chloride Er36 claims
- Tamsulosin Hcl33 claims
- Silodosin16 claims
- Lidocaine Hcl Viscous13 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
- Olean General HospitalOlean, NY · Acute Care Hospitals1 of 5 stars
- Roswell Park Cancer InstituteBuffalo, NY
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.
Radiation Oncology Physician providers in New York
There are 449 radiation oncology physician records in New York.
Other radiation oncology physician records in New York
- Lamiaa Abdallah, M.D.New York, NY1770105728
- Marc Adams, M.D.Staten Island, NY1275519142
- Khaled Adil, MDAlbany, NY1669944237
- Muhammad Afridi, MDOgdensburg, NY1699915116
- Vishesh Agrawal, M.D.New Hyde Park, NY1043669690
- Jalal Ahmed, MD,PHDNew York, NY1811341944
- Charles Albrecht, M.D.Clifton Springs, NY1659368488
- Ryan Alden, MDSaratoga Springs, NY1689298994
- Kaled Alektiar, MDNew York, NY1144200791
- Tracy Alpert, M.D.East Syracuse, NY1366421737
Common questions
What is Joshua Aaron Regal, M.D., PH.D.'s NPI number?
Joshua Aaron Regal, M.D., PH.D.'s National Provider Identifier (NPI) is 1184155814, issued on Mar 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Aaron Regal, M.D., PH.D. located?
The NPPES record lists a practice address at Elm And Carlton St, Buffalo, NY, 14263. Phone: (716) 845-2300. Providers update this record themselves, so call before visiting.
How can I verify Joshua Aaron Regal, M.D., PH.D.'s license?
NPPES lists New York license number 320186, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joshua Aaron Regal, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Joshua Aaron Regal, M.D., PH.D. had 197 Medicare Part D claims for 93 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.