Quick answers
- Does Matthew T. McMillan accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew T. McMillan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Matthew T. McMillan's NPI number?
- 1790311843. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Matthew T. McMillan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1101 Hempstead TpkeUniondale, NY 11553 (516) 559‑1000
- 1275 York AveNew York, NY 10065 (212) 639‑2000
- 136 Mountain View BlvdBasking Ridge, NJ 07920
- 136 Mountainview BlvdBasking Ridge, NJ 07920 (908) 542‑3000
- 225 E 126th StNew York, NY 10035 (646) 968‑9064
Group practices
Medicare enrollment lists Matthew T. McMillan as a member of these groups (CMS data updated October 2, 2026).
- MSK Bergen255 clinicians in the group
- Memorial Sloan Kettering Cancer Center at Basking Ridge New Jersey229 clinicians in the group
- Memorial Radiation Oncology Group92 clinicians in the group
- The New York Proton Center46 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Uniondale
Clinicians with the same Medicare primary specialty in Uniondale, NY — not a recommendation.
Other clinicians in MSK Bergen
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1790311843 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians