NPI age
6 years
Enumerated 2020-04-02
● Active
Type 1 · Individual
Gregory James Harbison, MD
Harbison is 1 of 297 orthopaedic surgery providers in Houston and 1 of 2473 in Texas.
Primary specialty
Orthopaedic Surgery
Plus 1 subspecialty
Licensed in
TX, CA
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-07-10
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 2473 active orthopaedic surgery providers in Texas.
NPI age
6 years
↓ 12 yr below median (18 yr)
State licenses
2 states
Top 89% — 10% of peers are multi-state
Subspecialties
0
33% of peers hold subspecialties
NPI lifetime · 2020 → 2026
2020-04Enumerated in NPPES
2020
2026
Where they practice
Practice location
6400 Fannin St Ste 1700
Houston, TX 770301526
Mailing address
6400 Fannin St Ste 1700
Houston, TX 770301526
Specialties
-
Orthopaedic Surgery PrimaryAn orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is...
Practice context
Part of a multi-provider practice. 63 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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