Michael Merrick, M.D.
NPI 1558590976 · Orthopaedic Surgery of the Spine Physician · Tyler, TX
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Merrick, M.D. is a Orthopaedic Surgery of the Spine Physician provider in Tyler, TX (NPI 1558590976).
Provider details
- NPI number
- 1558590976
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery of the Spine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- Q2803 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,898 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 975 | $60 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 282 | $36 |
| Insertion of Cage Or Mesh Device to Spine Bone and Disc Space During Spine Fusion22853 | 195 | $244 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 156 | $122 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 121 | $46 |
| Partial Removal of Spine Bone With Release of Spinal Cord And/Or Nerves, Each Additional Segment |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 213 | 118 |
| Tizanidine Hcl | 105 | 61 |
| Methylprednisolone | 90 | 75 |
| Cyclobenzaprine Hcl | 83 | 53 |
| Meloxicam | 81 | 45 |
| Gabapentin | 70 | 34 |
| Tramadol Hcl | 52 | 38 |
Practice location
Mailing address
Additional practice locations (3)
- 1123 S Palestine St Ste 100Athens, TX 75751-3645Phone: (903) 939-7500
- 925 W Loop 281Longview, TX 75604-2918Phone: (903) 939-7500
- 2211 S Loop 256Palestine, TX 75801-4701Phone: (903) 939-7501
Registry dates
- Enumerated
- 2009-07-07
- Last updated
- 2025-04-22
- Certified
- 2025-04-22
Frequently asked questions
- What is Michael Merrick's NPI number?
- Michael Merrick's National Provider Identifier (NPI) is 1558590976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Merrick's specialty?
- Michael Merrick is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery of the Spine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Merrick located?
- Michael Merrick's practice location on file with NPPES is 3414 Golden Rd, Tyler, TX 75701-8336.
- What is Michael Merrick's phone number?
- The practice phone number listed in the NPPES registry for Michael Merrick is (903) 939-7500.
- Does Michael Merrick accept Medicare?
- Michael Merrick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Merrick's NPI active?
- Yes — Michael Merrick's NPI (1558590976) is active in the NPPES registry as of the last update on 2025-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.