MUSTAFA RAYAZ D.O.
NPI 1558744128
Internal Medicine in Dallas, TX
About Mustafa Rayaz D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MUSTAFA RAYAZ D.O. (NPI 1558744128) is an individual internal medicine provider in Dallas, Texas, licensed in Texas (S9211) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS.
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 (PECOS)
Mustafa Rayaz D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show Mustafa Rayaz reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Plano, TX 75074
- Reassigned Medicare billing, Texas enrollment
- 18 clinicians in this Medicare group
Texarkana, AR 71854
- Reassigned Medicare billing, Arkansas enrollment
- 21 clinicians in this Medicare group
Little Rock, AR 72211
- Reassigned Medicare billing, Arkansas enrollment
- 12 clinicians in this Medicare group
Sherwood, AR 72120
- Reassigned Medicare billing, Arkansas enrollment
- 16 clinicians in this Medicare group
Sherwood, AR 72120
- Reassigned Medicare billing, Arkansas enrollment
- 17 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Arkansas enrollment
- 150 clinicians in this Medicare group
Hamilton, OH 45011
- Reassigned Medicare billing, Ohio enrollment
- 744 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75216 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.
DALLAS, TX 75216
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 Mustafa Rayaz's NPI number?
The NPI number for Mustafa Rayaz is 1558744128. It was assigned to this individual provider in the NPPES registry on July 1, 2015.
Where is Mustafa Rayaz located?
Mustafa Rayaz practices at 4500 S Lancaster Rd, Dallas, TX 75216. The listed phone number is (214) 742-8387.
What is Mustafa Rayaz's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mustafa Rayaz enrolled in Medicare?
Yes. Mustafa Rayaz is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mustafa Rayaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mustafa Rayaz reassigns Medicare benefits to 7 organizations: Q Day Walk In Clinic And Spa, LLC (Plano, TX), Bhg L, LLC (Texarkana, AR), Arkansas Pain Care Clinics, PA (Little Rock, AR), American Hope And Health Clinic Associates LLC (Sherwood, AR), Primary Care 360 (Sherwood, AR) and 2 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 Mustafa Rayaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mustafa Rayaz accept?
Health plans from Blue Cross and Blue Shield of Texas and CareSource list Mustafa Rayaz 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.
When was this NPI record last updated?
The NPPES record for Mustafa Rayaz was last updated on August 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mustafa Rayaz, D.O. · NPI 1558744128
Internal Medicine physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since July 1, 2015.
## Identity
- **NPI:** 1558744128 (Entity type: Individual)
- **Enumerated:** July 1, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** S9211 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4500 S LANCASTER RD, Dallas, TX 75216-7167
- **Phone:** (214) 742-8387
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Q Day Walk In Clinic And Spa, LLC (NPI 1063044113, Plano, TX); Bhg L, LLC (NPI 1215560529, Texarkana, AR); Arkansas Pain Care Clinics, PA (NPI 1780151738, Little Rock, AR); American Hope And Health Clinic Associates LLC (NPI 1538781208, Sherwood, AR); Primary Care 360 (NPI 1124678586, Sherwood, AR); and 2 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 25, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1558744128) · Data from the CMS NPPES public registry.