Quick answers
- Which hospitals does John M. Cox work at?
- Medicare's official clinician data lists John M. Cox at 3 hospitals: Cox Barton County Hospital, Freeman Health System - Freeman West and Mercy Hospital Joplin. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John M. Cox see patients?
- Medicare's clinician data lists 2 practice locations, including Joplin, MO and Lamar, MO. Call before your visit to confirm the address.
- What is John M. Cox's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Cardiac Surgery, Internal Medicine and Peripheral Vascular Disease.
- Does John M. Cox accept Medicare assignment?
- Yes. Medicare's clinician data says John M. Cox 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 John M. Cox?
- (417) 347-5000, as listed in official Medicare / NPI Registry data.
- What is John M. Cox's NPI number?
- 1669418612. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John M. Cox works
Medicare's Facility Affiliation Data lists John M. Cox at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cox Barton County HospitalLamar, MO · Critical Access Hospital · CCN 261325
- Freeman Health System - Freeman WestJoplin, MO · Acute Care Hospital · CCN 260137
- Mercy Hospital JoplinJoplin, MO · Acute Care Hospital · CCN 260001
Practice locations
Addresses where John M. Cox is enrolled with Medicare (CMS data updated 2026-10-02).
- 1102 W 32nd St, Suite 300Joplin, MO 64804 (417) 347‑5000
- 29 NW 1st LnLamar, MO 64759 (417) 681‑5100
Group practices
Medicare enrollment lists John M. Cox as a member of these groups (CMS data updated 2026-10-02).
- Freeman-Oak Hill Health System394 clinicians in the group
- Cox Barton County Hospital28 clinicians in the group
Specialties
- Cardiovascular Disease (Cardiology)primary
- Cardiac Surgeryalso
- Internal Medicinealso
- Peripheral Vascular Diseasealso
Find other Cardiovascular Disease (Cardiology) doctors in Missouri →
Other cardiologists in Joplin
Clinicians with the same Medicare primary specialty in Joplin, MO — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669418612 |
| 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