DR. JOHN JUNEYOUNG CHA MD
NPI 1417523606
Family Medicine in Oklahoma City, OK
About Dr. John Juneyoung Cha Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN JUNEYOUNG CHA MD (NPI 1417523606) is an individual family medicine provider in Oklahoma City, Oklahoma, licensed in Oklahoma (43832) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Oklahoma City, Inc, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John Juneyoung Cha Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Cha reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oklahoma City, OK 73120
- Reassigned Medicare billing, Oklahoma enrollment
- 975 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Oklahoma City, Inc
Acute Care Hospitals · Oklahoma City, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73142 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Cha's NPI number?
The NPI number for John Cha is 1417523606. It was assigned to this individual provider in the NPPES registry on May 28, 2021.
Where is John Cha located?
John Cha practices at 6801 W Memorial Rd Unit E, Oklahoma City, OK 73142. The listed phone number is (405) 491-4090.
What is John Cha's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Cha enrolled in Medicare?
Yes. John Cha is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Cha's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Cha reassigns Medicare benefits to Mercy Clinic Oklahoma Communities (Oklahoma City, OK). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Cha's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Cha accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list John Cha as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Cha affiliated with any hospitals?
According to CMS data, John Cha is affiliated with Mercy Hospital Oklahoma City, Inc.
When was this NPI record last updated?
The NPPES record for John Cha was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.