Gregory Biedermann, MD
NPI 1851463756 · Radiation Oncology Physician · Columbia, MO
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Biedermann, MD is a Radiation Oncology Physician provider in Columbia, MO (NPI 1851463756).
Provider details
- NPI number
- 1851463756
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101240320 (VA)
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
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
2,699 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) |
|---|---|---|
| Calculation of Radiation Therapy Dose77300 | 722 | $32 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 621 | $44 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 219 | $188 |
| Stereoscopic X-Ray Guidance for Localization of Target Volume for the Delivery of Radiation TherapyG6002 | 181 | $20 |
| Design and Construction of Complex Radiation Treatment Device77334 | 177 | $59 |
| Complex Radiation Therapy Planning77263 | 105 | $164 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 64 | 18 |
| Oxycodone Hcl | 23 | 12 |
| Lorazepam | 16 | 14 |
| Fluoride (sodium)brand: Sodium Fluoride | 16 | — |
| Memantine Hcl | 15 | — |
| Dexamethasone | 12 | — |
| Fluconazole | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$12,766 across 31 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
- 2006-11-15
- Last updated
- 2025-01-31
- Certified
- 2025-01-31
Frequently asked questions
- What is Gregory Biedermann's NPI number?
- Gregory Biedermann's National Provider Identifier (NPI) is 1851463756, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Biedermann's specialty?
- Gregory Biedermann is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Biedermann located?
- Gregory Biedermann's practice location on file with NPPES is 1705 E Broadway, Columbia, MO 65201-7166.
- What is Gregory Biedermann's phone number?
- The practice phone number listed in the NPPES registry for Gregory Biedermann is (573) 874-7800.
- Does Gregory Biedermann accept Medicare?
- Gregory Biedermann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Biedermann's NPI active?
- Yes — Gregory Biedermann's NPI (1851463756) is active in the NPPES registry as of the last update on 2025-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.