Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Shahryar Sean Nassi, MD

Individual provider Internal Medicine Physician · NPI 1356542617

Dr. Shahryar Sean Nassi, MD is an Internal Medicine in Plano, Texas. Graduated from University of Texas Southwestern Medical School at Dallas in 2004, 22 years ago. Practices with Healthtexas Provider Network, a 2,539-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
22
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
TX
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4700 Alliance Blvd Ste 400
Plano, TX 75093-5323
Phone: (469) 814-6631
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence M8863 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence BP10018362 (TX)
Hospitalist Physician Taxonomy 208M00000X · Licence M8863 (TX)

Record details

NPI number1356542617
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2007
Last updated in NPPESFebruary 21, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 2004 (22 years in practice)
Group practice Healthtexas Provider Network — 2539 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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