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

Michael Thomas Merrick, MD

Individual provider Orthopaedic Surgery Physician · NPI 1558590976

Michael Thomas Merrick, MD is an Orthopedic Surgery in Tyler, Texas. Graduated from University of Texas Medical School at Houston in 2009, 17 years ago. Practices with Ortholonestar PLLC, a 415-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
17
Trained at
University of Texas Medical School at Houston
Licensed in
TX
In the registry since
2009
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

3414 Golden Rd
Tyler, TX 75701-8336
Phone: (903) 939-7500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 1123 S Palestine St Ste 100, Athens, TX 75751-3645 — (903) 939-7500
  • 925 W Loop 281, Longview, TX 75604-2918 — (903) 939-7500
  • 2211 S Loop 256, Palestine, TX 75801-4701 — (903) 939-7501

Specialties & licences

Orthopaedic Surgery of the Spine Physician (primary) Taxonomy 207XS0117X · Licence Q2803 (TX)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence Q2803 (TX)

Record details

NPI number1558590976
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2009
Last updated in NPPESApril 22, 2025
Certification dateApril 22, 2025
Mailing address3414 Golden Rd, Tyler, TX 75701-8336

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 2009 (17 years in practice)
Group practice Ortholonestar Pllc — 415 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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