P Praxis·MD
● Active Type 1 · Individual

Mustafa Rayaz, D.O.

Internal Medicine·Dallas, TX· NPI 1558744128 · Enumerated 2015 · 10 years on NPI
Rayaz is 1 of 1216 internal medicine providers in Dallas and 1 of 12343 in Texas.
NPI age
10 years
Enumerated 2015-07-01
Primary specialty
Internal Medicine
Plus 3 subspecialties
Licensed in
TX, AR, OH, VA
4 states
Status
Active
No deactivations on record
Last NPPES update
2023-08-25
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file

How this provider compares

Across 12343 active internal medicine providers in Texas.

NPI age
10 years
↓ 7 yr below median (17 yr)
State licenses
4 states
Top 88% — 12% of peers are multi-state
Subspecialties
0
33% of peers hold subspecialties

NPI lifetime · 2015 → 2026

2015-07Enumerated in NPPES
2015 2026

Where they practice

Practice location
4500 S Lancaster Rd
Dallas, TX 752167167
📞 2147428387
Mailing address
801 International Pkwy Ste 550, #310
Flower Mound, TX 750224287
📞 8323777630

Specialties

  • Internal Medicine Primary
    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
    TX license #S9211AR license #E-11557OH license #34.013971VA license #0116028050 taxonomy 207R00000X

Practice context

Part of a multi-provider practice. 1026 other active providers share this practice address in NPPES.

Recently enumerated nearby: 5 new internal medicine providers have been added in Dallas in the last 180 days. See all →
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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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