William Porter
NPI 1245530203 · Radiation Oncology Physician · Madison, IN
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Porter is a Radiation Oncology Physician provider in Madison, IN (NPI 1245530203).
Provider details
- NPI number
- 1245530203
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 57018444 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 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
3,856 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) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 1,163 | $43 |
| Calculation of Radiation Therapy Dose77300 | 585 | $32 |
| Stereoscopic X-Ray Guidance for Localization of Target Volume for the Delivery of Radiation TherapyG6002 | 382 | $20 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 380 | $184 |
| Design and Construction of Complex Radiation Treatment Device77334 | 228 | $59 |
| Complex Radiation Therapy Planning77263 | 184 | $163 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ciprofloxacin Hcl | 33 | 32 |
| Tamsulosin Hcl | 29 | 14 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 27 | 14 |
| Dexamethasone | 19 | 17 |
| Levothyroxine Sodium | 19 | — |
| Nystatin | 17 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$101 across 1 record (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
- 2010-10-25
- Last updated
- 2020-12-08
- Certified
- 2020-12-08
Frequently asked questions
- What is William Porter's NPI number?
- William Porter's National Provider Identifier (NPI) is 1245530203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Porter's specialty?
- William Porter is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is William Porter located?
- William Porter's practice location on file with NPPES is 1373 E Sr 62, Madison, IN 47250-7328.
- What is William Porter's phone number?
- The practice phone number listed in the NPPES registry for William Porter is (812) 801-0603.
- Does William Porter accept Medicare?
- William Porter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Porter's NPI active?
- Yes — William Porter's NPI (1245530203) is active in the NPPES registry as of the last update on 2020-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.