David Mattson, MD
NPI 1134336621 · Radiation Oncology Physician · Buffalo, NY
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Mattson, MD is a Radiation Oncology Physician provider in Buffalo, NY (NPI 1134336621).
Provider details
- NPI number
- 1134336621
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 251127 (NY)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
391 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) |
|---|---|---|
| Calculation of Radiation Therapy Dose77300 | 79 | $31 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 78 | $180 |
| Design and Construction of Complex Radiation Treatment Device77334 | 41 | $57 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 37 | $167 |
| Complex Radiation Therapy Planning77263 | 36 | $159 |
| Obtaining Data Needed to Develop the Optimal Radiation Treatment, 1 Treatment Area77280 | 36 | $36 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-16
- Last updated
- 2021-02-15
- Certified
- 2021-02-15
Frequently asked questions
- What is David Mattson's NPI number?
- David Mattson's National Provider Identifier (NPI) is 1134336621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Mattson's specialty?
- David Mattson is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is David Mattson located?
- David Mattson's practice location on file with NPPES is Elm and Carlton St, Buffalo, NY 14263-0001.
- What is David Mattson's phone number?
- The practice phone number listed in the NPPES registry for David Mattson is (716) 845-2300.
- Does David Mattson accept Medicare?
- David Mattson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Mattson's NPI active?
- Yes — David Mattson's NPI (1134336621) is active in the NPPES registry as of the last update on 2021-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.