Quick answers
- Which hospitals does John J. Cha work at?
- Medicare's official clinician data lists John J. Cha at 1 hospital: Mercy Hospital Oklahoma City, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John J. Cha see patients?
- Medicare's clinician data lists 1 practice location in Edmond, OK. Call before your visit to confirm the address.
- What is John J. Cha's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does John J. Cha accept Medicare assignment?
- Yes. Medicare's clinician data says John J. Cha 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.
- Does John J. Cha offer telehealth?
- Medicare's clinician data says John J. Cha offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John J. Cha?
- (405) 531-4271, as listed in official Medicare / NPI Registry data.
- What is John J. Cha's NPI number?
- 1417523606. 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 J. Cha works
Medicare's Facility Affiliation Data lists John J. Cha at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital Oklahoma City, IncOklahoma City, OK · Acute Care Hospital · CCN 370013
Practice locations
Addresses where John J. Cha is enrolled with Medicare (CMS data updated 2026-10-02).
- 18503 N Portland AveEdmond, OK 73012 (405) 531‑4271
Group practices
Medicare enrollment lists John J. Cha as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic Oklahoma Communities649 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Edmond
Clinicians with the same Medicare primary specialty in Edmond, OK — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417523606 |
| 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