Quick answers
- Does Chance Matthesen accept Medicare assignment?
- Yes. Medicare's clinician data says Chance Matthesen 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 Chance Matthesen's NPI number?
- 1265195309. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Chance Matthesen works
Medicare's Facility Affiliation Data lists Chance Matthesen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Arbuckle Memorial Hospital AuthoritySulphur, OK · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 371328
- Memorial HealthLawton, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370056
Practice locations
Addresses where Chance Matthesen is enrolled with Medicare (CMS data updated October 2, 2026).
- 3401 W Gore BlvdLawton, OK 73505 (254) 879‑4900
- 5602 SW Lee BlvdLawton, OK 73505 (580) 531‑4700
Group practices
Medicare enrollment lists Chance Matthesen as a member of this group (CMS data updated October 2, 2026).
- Elite Hospital Partners of Oklahoma25 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Lawton
Clinicians with the same Medicare primary specialty in Lawton, OK — not a recommendation.
Other clinicians in Elite Hospital Partners of Oklahoma
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Oklahoma State University College Of Osteopathic Medicine |
| Graduation year | 2023 (3 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265195309 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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