Quick answers
- Which hospitals does Randell B. Chapman work at?
- Medicare's official clinician data lists Randell B. Chapman at 2 hospitals: INTEGRIS Health Ponca City and St Mary's Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Randell B. Chapman see patients?
- Medicare's clinician data lists 2 practice locations, including Ponca City, OK and Lawton, OK. Call before your visit to confirm the address.
- What is Randell B. Chapman's specialty?
- Medicare lists Emergency Medicine as the primary specialty, and also Family Practice.
- Does Randell B. Chapman accept Medicare assignment?
- Yes. Medicare's clinician data says Randell B. Chapman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Randell B. Chapman?
- (580) 765-3321, as listed in official Medicare / NPI Registry data.
- What is Randell B. Chapman's NPI number?
- 1922073055. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Randell B. Chapman works
Medicare's Facility Affiliation Data lists Randell B. Chapman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- INTEGRIS Health Ponca CityPonca City, OK · Acute Care Hospital · CCN 370006
- St Mary's Regional Medical CenterEnid, OK · Acute Care Hospital · CCN 370026
Practice locations
Addresses where Randell B. Chapman is enrolled with Medicare (CMS data updated 2026-10-02).
- 1900 N 14th StPonca City, OK 74601 (580) 765‑3321
- 5602 SW Lee BlvdLawton, OK 73505 (580) 531‑4701
Group practices
Medicare enrollment lists Randell B. Chapman as a member of these groups (CMS data updated 2026-10-02).
- Ehp of Ponca City LLC20 clinicians in the group
- Hospitalist Medicine Physicians of Oklahoma TCS LLC18 clinicians in the group
Specialties
- Emergency Medicineprimary
- Family Practicealso
Other emergency medicine doctors in Ponca City
Clinicians with the same Medicare primary specialty in Ponca City, OK — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Oklahoma College Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922073055 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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