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Orthopedic Surgery

Michael T. Merrick, MD

Works at hospitals in Tyler, TX · Longview, TX · Texas

Summary

Michael T. Merrick, MD (Orthopedic Surgery) is listed by Medicare at 5 hospitals in Tyler, TX and Longview, TX. NPI 1558590976. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael T. Merrick, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
University Of Texas Medical School At HoustonMedical school
MaleGender (as listed)
Ortholonestar PLLCGroup practice

Quick answers

Which hospitals does Michael T. Merrick work at?
Medicare's official clinician data lists Michael T. Merrick at 5 hospitals: Baylor Scott & White Texas Spine & Joint Hospital, CHRISTUS Good Shepherd Medical Center, CHRISTUS Mother Frances Hospital, University of Texas Health Science Center at Tyler and UT Health East Texas Tyler Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael T. Merrick see patients?
Medicare's clinician data lists 1 practice location in Tyler, TX. Call before your visit to confirm the address.
What is Michael T. Merrick's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does Michael T. Merrick accept Medicare assignment?
Yes. Medicare's clinician data says Michael T. Merrick accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Michael T. Merrick?
(903) 939-7500, as listed in official Medicare / NPI Registry data.
What is Michael T. Merrick's NPI number?
1558590976. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael T. Merrick works

Medicare's Facility Affiliation Data lists Michael T. Merrick at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Michael T. Merrick is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael T. Merrick as a member of this group (CMS data updated 2026-10-02).

  • Ortholonestar PLLC428 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Texas →

Other orthopedic surgeons in Tyler

Clinicians with the same Medicare primary specialty in Tyler, TX — not a recommendation.

All orthopedic surgeons in Tyler →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At Houston
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558590976
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians