William Regine, M.D.
NPI 1104831957 · Radiation Oncology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Regine, M.D. is a Radiation Oncology Physician provider in Baltimore, MD (NPI 1104831957).
Provider details
- NPI number
- 1104831957
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0059557 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
587 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Intermediate Proton Beam Radiation Treatment77523 | 199 | $1,104 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 105 | $119 |
| Continuing Radiation Therapy Consultation Per Week77336 | 59 | $95 |
| Calculation of Radiation Therapy Dose77300 | 58 | $69 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 50 | $193 |
| Design and Construction of Radiation Treatment Device for High Precision Radiation Therapy77338 | 20 | $488 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,650 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-30
- Last updated
- 2008-04-29
Frequently asked questions
- What is William Regine's NPI number?
- William Regine's National Provider Identifier (NPI) is 1104831957, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Regine's specialty?
- William Regine is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is William Regine located?
- William Regine's practice location on file with NPPES is 22 S Greene St, Baltimore, MD 21201-1544.
- What is William Regine's phone number?
- The practice phone number listed in the NPPES registry for William Regine is (410) 328-3037.
- Does William Regine accept Medicare?
- William Regine is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Regine's NPI active?
- Yes — William Regine's NPI (1104831957) is active in the NPPES registry as of the last update on 2008-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.