DR. JOSHUA CHANG DO
NPI 1699272906
Emergency Medicine in Oklahoma City, OK
About Dr. Joshua Chang Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSHUA CHANG DO (NPI 1699272906) is an individual emergency medicine provider in Oklahoma City, Oklahoma, licensed in Oklahoma (6630) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and maintains 7 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 7
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Joshua Chang Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
9Medicare enrollment records show Joshua Chang reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oklahoma City, OK 73102
- Reassigned Medicare billing, Oklahoma enrollment
- Medicare enrollment name: Emergency Physicians Of Mid-America PC
- 310 clinicians in this Medicare group
Oklahoma City, OK 73120
- Reassigned Medicare billing, Oklahoma enrollment
- 975 clinicians in this Medicare group
Norman, OK 73071
- Reassigned Medicare billing, Oklahoma enrollment
- 418 clinicians in this Medicare group
Tuttle, OK 73089
- Reassigned Medicare billing, Oklahoma enrollment
- 97 clinicians in this Medicare group
Guthrie, OK 73044
- Reassigned Medicare billing, Oklahoma enrollment
- 137 clinicians in this Medicare group
Kingfisher, OK 73750
- Reassigned Medicare billing, Oklahoma enrollment
- 64 clinicians in this Medicare group
Stillwater, OK 74074
- Reassigned Medicare billing, Oklahoma enrollment
- 298 clinicians in this Medicare group
Watonga, OK 73772
- Reassigned Medicare billing, Oklahoma enrollment
- 39 clinicians in this Medicare group
Mcalester, OK 74501
- Reassigned Medicare billing, Oklahoma enrollment
- 59 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 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73109 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKLAHOMA CITY, OK 73109
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 Joshua Chang's NPI number?
The NPI number for Joshua Chang is 1699272906. It was assigned to this individual provider in the NPPES registry on April 12, 2018.
Where is Joshua Chang located?
Joshua Chang practices at 4401 S Western Ave, Oklahoma City, OK 73109. The listed phone number is (405) 636-7195.
What is Joshua Chang's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Joshua Chang enrolled in Medicare?
Yes. Joshua Chang is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Joshua Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Chang reassigns Medicare benefits to 9 organizations: Emergency Physicians Of Mid-America, P.C. (Oklahoma City, OK), Mercy Clinic Oklahoma Communities (Oklahoma City, OK), Emergency Services Of Oklahoma PC (Norman, OK), Grady Memorial Hospital (Tuttle, OK), Mercy Hospital Logan County, Inc (Guthrie, OK) and 4 more organizations, listed in the Medicare section above. Each 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 Joshua Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Joshua Chang was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Joshua Chang, DO · NPI 1699272906
Emergency Medicine physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since April 12, 2018.
## Identity
- **NPI:** 1699272906 (Entity type: Individual)
- **Enumerated:** April 12, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 6630 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 4401 S WESTERN AVE, Oklahoma City, OK 73109-3413
- **Phone:** (405) 636-7195
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Emergency Physicians Of Mid-America, P.C. (NPI 1063825297, Oklahoma City, OK); Mercy Clinic Oklahoma Communities (NPI 1386874550, Oklahoma City, OK); Emergency Services Of Oklahoma PC (NPI 1215249891, Norman, OK); Grady Memorial Hospital (NPI 1750715439, Tuttle, OK); Mercy Hospital Logan County, Inc (NPI 1184905507, Guthrie, OK); and 4 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1699272906) · Data from the CMS NPPES public registry.