William F. Regine, M.D.
Radiation Oncology Physician · Baltimore, MD
William F. Regine, M.D. is a radiation oncology physician with a practice address in Baltimore, Maryland, and NPI 1104831957, issued on Jul 30, 2006. Check the license (Maryland D0059557, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- William F. Regine
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- D0059557 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 328-3037
- Enumerated
- Jul 30, 2006
- Record last updated
- Apr 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (410) 328-3040
- Medicaid ID
- 400935500 MD
- Medicare enrollment
- Enrolled (PECOS I20081017000239); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 124 in Maryland → Look up another NPI →
Also registered at 22 S Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William F. Regine in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0059557Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $1,650.31
13 payments; by number, the most common kind was travel and lodging; the largest payer was Siemens Medical Solutions USA, 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 2 group practices
- Maryland Proton Treatment Center, LLCBaltimore, MD
- University OF Maryland Radiation Oncology Associates PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William F. Regine among 124 radiation oncology physician records in Maryland
William F. Regine, M.D. is one of 124 radiation oncology physician records with a practice address in Maryland. 80% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 59% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1987 · median 2006 among the 89 with a school on file
- Record last updated2008 · 65% 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 Maryland 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 Maryland
There are 124 radiation oncology physician records in Maryland.
All 124 in Maryland → Every provider in Baltimore → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Pradip Amin, M.D.Baltimore, MD 212011215961727
- Arpit Chhabra, M.D.Baltimore, MD 212011396006599
- Michael Garofalo, M.D.Baltimore, MD 212011306850755
- Yomna Khamis, MDBaltimore, MD 212011255015053
- Michael Kim, MDBaltimore, MD 212011841979333
- Young Kwok, M.D.Baltimore, MD 212011215941901
- Philip McDonagh, MD, PHDBaltimore, MD 212011003308412
- Pranshu Mohindra, M.D.Baltimore, MD 212011336451921
Common questions
What is William F. Regine, M.D.'s NPI number?
William F. Regine, M.D.'s National Provider Identifier (NPI) is 1104831957, issued on Jul 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William F. Regine, M.D. located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-3037. Providers update this record themselves, so call before visiting.
How can I verify William F. Regine, M.D.'s license?
NPPES lists Maryland license number D0059557, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.