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

Gregory James Harbison, MD

Individual provider Orthopaedic Surgery Physician · NPI 1801425822

Gregory James Harbison, MD is an Orthopedic Surgery in Houston, Texas. Qualified in 2020, 6 years ago. Practices with UT Physicians, a 1,732-clinician group and accepts Medicare assignment. Licensed in California and Texas.

Years since qualifying
6
Licensed in
CA, TX
In the registry since
2020
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

6400 Fannin St Ste 1700
Houston, TX 77030-1526
Phone: (713) 486-5527
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence V6947 (TX)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence A183430 (CA)

Record details

NPI number1801425822
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 2, 2020
Last updated in NPPESJuly 10, 2025
Certification dateJuly 10, 2025

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Ut Physicians — 1732 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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