Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

David M Mattson Jr., MD

Individual provider Radiation Oncology Physician · NPI 1134336621

David M Mattson Jr., MD is a Radiation Oncology in Buffalo, New York. Qualified in 2001, 25 years ago. Practices with Roswell Park Cancer Institute, a 489-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
25
Licensed in
NY
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

Elm And Carlton St
Buffalo, NY 14263-0001
Phone: (716) 845-2300
Fax: (716) 845-7616
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 251127 (NY)

Record details

NPI number1134336621
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 16, 2007
Last updated in NPPESFebruary 15, 2021
Certification dateFebruary 15, 2021
Mailing addressElm And Carlton St, Buffalo, NY 14263-0001

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Roswell Park Cancer Institute — 489 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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