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

Dr. Marcus Darnell Smith Sr., MD

Individual provider Internal Medicine Physician · NPI 1265438519

Dr. Marcus Darnell Smith Sr., MD is an Internal Medicine in Shenandoah, Texas. Graduated from Howard University College of Medicine in 1999, 27 years ago. Practices with Tmh Physician Associates PLLC, a 1,899-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
27
Trained at
Howard University College of Medicine
Licensed in
TX
In the registry since
2005
Specialties on file
2
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

17201 I H 45 S
Shenandoah, TX 77385-3311
Phone: (936) 270-2099
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence M0278 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence M0278 (TX)

Record details

NPI number1265438519
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 22, 2005
Last updated in NPPESAugust 16, 2018
Mailing address17201 I H 45 S, Shenandoah, TX 77385-3311

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolHOWARD UNIVERSITY COLLEGE OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Tmh Physician Associates Pllc — 1899 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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