William Casey, M.D.
NPI 1811933047 · Radiation Oncology Physician · Sebring, FL
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Casey, M.D. is a Radiation Oncology Physician provider in Sebring, FL (NPI 1811933047).
Provider details
- NPI number
- 1811933047
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME138036 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
515 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 155 | $45 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 140 | $45 |
| Stereoscopic X-Ray Guidance for Localization of Target Volume for the Delivery of Radiation TherapyG6002 | 72 | $20 |
| Stereoscopic X-Ray Guidance for Localization of Target Volume for the Delivery of Radiation TherapyG6002 | 69 | $20 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 44 | $193 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 35 | $191 |
Practice location
Mailing address
Additional practice locations (4)
- 736 Cambridge StBrighton, MA 02135-2907Phone: (617) 789-3000
- 235 N Pearl StBrockton, MA 02301-1794Phone: (508) 427-3000
- 506 Prospect StreetFall River, MA 02720Phone: (508) 973-7888Fax: (508) 973-7934
- 1 Eaton PlWorcester, MA 01608-1232Phone: (508) 363-7100Fax: (508) 363-7170
Registry dates
- Enumerated
- 2006-06-22
- Last updated
- 2026-02-12
- Certified
- 2026-02-12
Frequently asked questions
- What is William Casey's NPI number?
- William Casey's National Provider Identifier (NPI) is 1811933047, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Casey's specialty?
- William Casey is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is William Casey located?
- William Casey's practice location on file with NPPES is 4416 Sun N Lake Blvd, Sebring, FL 33872-2164.
- What is William Casey's phone number?
- The practice phone number listed in the NPPES registry for William Casey is (863) 382-2049.
- Does William Casey accept Medicare?
- William Casey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Casey's NPI active?
- Yes — William Casey's NPI (1811933047) is active in the NPPES registry as of the last update on 2026-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.