CHANG R MYUNG MD
NPI 1437176971
Anesthesiology in Brownsville, TX
About Chang R Myung Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHANG R MYUNG MD (NPI 1437176971) is an individual anesthesiology provider in Brownsville, Texas, licensed in North Dakota (9291) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Valley Regional Medical Center, and is a graduate of Other (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Chang R Myung 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 Reassignments
6Medicare enrollment records show Chang Myung reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mcallen, TX 78503
- Reassigned Medicare billing, Texas enrollment
- 98 clinicians in this Medicare group
Mcallen, TX 78503
- Reassigned Medicare billing, Texas enrollment
- 300 clinicians in this Medicare group
Burleson, TX 76028
- Reassigned Medicare billing, Texas enrollment
- 429 clinicians in this Medicare group
Fort Worth, TX 76104
- Reassigned Medicare billing, Texas enrollment
- 509 clinicians in this Medicare group
Arlington, TX 76006
- Reassigned Medicare billing, Texas enrollment
- 1,164 clinicians in this Medicare group
Fresno, CA 93720
- Reassigned Medicare billing, Texas enrollment
- 37 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
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Valley Regional Medical Center
Acute Care Hospitals · Brownsville, TXRio Grande Regional Hospital
Acute Care Hospitals · Mcallen, TXMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
BROWNSVILLE, TX 78526
BROWNSVILLE, TX 78526
BROWNSVILLE, TX 78526
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 Chang Myung's NPI number?
The NPI number for Chang Myung is 1437176971. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is Chang Myung located?
Chang Myung practices at 100 E Alton Gloor Blvd Valley Regional Medical Center, Brownsville, TX 78526. The listed phone number is (956) 350-7575.
What is Chang Myung's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Chang Myung enrolled in Medicare?
Yes. Chang Myung 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 organizations bill Medicare for Chang Myung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chang Myung reassigns Medicare benefits to 6 organizations: Rio Grande Anesthesia & Pain Medicine Consultants, P.A. (Mcallen, TX), Premier Anesthesia Of Huntsville A Division Of Premier Anesthesia LLC (Mcallen, TX), Northstar Anesthesia II PA (Burleson, TX), Sound Physicians Anesthesiology Of Texas PLLC (Fort Worth, TX), Northstar Anesthesia, PA (Arlington, TX) and 1 more organization, 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 Chang Myung's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chang Myung accept?
Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Chang Myung 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 Chang Myung affiliated with any hospitals?
According to CMS data, Chang Myung is affiliated with Valley Regional Medical Center and Rio Grande Regional Hospital.
When was this NPI record last updated?
The NPPES record for Chang Myung was last updated on July 26, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.
# Chang R Myung, MD · NPI 1437176971
Anesthesiology physician in Brownsville, Texas. Individual provider, active in the CMS NPPES registry since July 17, 2006.
## Identity
- **NPI:** 1437176971 (Entity type: Individual)
- **Enumerated:** July 17, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 9291 (North Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 E ALTON GLOOR BLVD, VALLEY REGIONAL MEDICAL CENTER, Brownsville, TX 78526-3328
- **Phone:** (956) 350-7575 · **Fax:** (956) 350-3578
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Rio Grande Anesthesia & Pain Medicine Consultants, P.A. (NPI 1962457234, Mcallen, TX); Premier Anesthesia Of Huntsville A Division Of Premier Anesthesia LLC (NPI 1346570355, Mcallen, TX); Northstar Anesthesia II PA (NPI 1477066405, Burleson, TX); Sound Physicians Anesthesiology Of Texas PLLC (NPI 1295356277, Fort Worth, TX); Northstar Anesthesia, PA (NPI 1912978610, Arlington, TX); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1989
## Record status
- **NPPES last updated:** July 26, 2011
- **Other identifiers:** Medicare UPIN H78907
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Source: [NPI Profile](https://npiprofile.com/npi/1437176971) · Data from the CMS NPPES public registry.