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

Dr. Mark Trisna, DO

Individual provider Internal Medicine Physician · NPI 1669799581

Dr. Mark Trisna, DO is a Hospitalist in Houston, Texas. Graduated from University of North Texas Hsc, College of Osteopathic Med in 2010, 16 years ago. Practices with Memorial Hermann Medical Group, a 753-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
16
Trained at
University of North Texas Hsc, College of Osteopathic Med
Licensed in
TX
In the registry since
2010
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1701 Sunset Blvd
Houston, TX 77005-1798
Phone: (713) 526-5511
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence P9268 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence P9268 (TX)

Record details

NPI number1669799581
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMay 3, 2010
Last updated in NPPESJanuary 22, 2026
Certification dateJanuary 22, 2026

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF NORTH TEXAS HSC, COLLEGE OF OSTEOPATHIC MED
Graduated 2010 (16 years in practice)
Group practice Memorial Hermann Medical Group — 753 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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