Gregory James Harbison, MD
Orthopaedic Surgery Physician · Houston, TX
Gregory James Harbison, MD is an orthopaedic surgery physician with a practice address in Houston, Texas, and NPI 1801425822, issued on Apr 2, 2020. Check the license (Texas V6947, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory James Harbison
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- V6947 TX
A183430 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6400 Fannin St Ste 1700, Houston, TX 77030
- Phone
- (713) 486-5527
- Enumerated
- Apr 2, 2020
- Record last updated
- Jul 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20250728001794); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 1,514 in Texas → Look up another NPI →
Also registered at 6400 Fannin St Ste 1700
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ricardo Abreu IrizarryStudent in an Organized Health Care Education/Training Program1558814277
- Mackenzie Aldridge, PA-CSurgical Physician Assistant1346137502
- Marlon Alexander, PA-CPhysician Assistant1376604777
- Mohammed Alshouli, MDOrthopaedic Surgery Physician1245653369
- Savannah Baimbridge, MDStudent in an Organized Health Care Education/Training Program1558128868
- David Berken, MDOrthopaedic Surgery Physician1790105153
Verify Gregory James Harbison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license V6947Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
41 Medicare Part D claims for 20 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 18 claims were for opioids.
Most prescribed
- Oxycodone Hcl15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,024.17
9 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- UT PhysiciansKaty, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory James Harbison among 1,514 orthopaedic surgery physician records in Texas
Gregory James Harbison, MD is one of 1,514 orthopaedic surgery physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 93% of them.
- NPI issued2020 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2020 · median 2003 among the 1,016 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Texas
There are 1,514 orthopaedic surgery physician records in Texas.
All 1,514 in Texas → Every provider in Houston → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- James Bennett, M.D.Houston, TX 770301699741520
- Mark Brinker, M.D.Houston, TX 770301861480386
- Thomas Edwards, M.D.Houston, TX 770301528056033
- Howard Epps, M.D.Houston, TX 770301194713784
- Gary Gartsman, M.D.Houston, TX 770301821086414
- Joseph Gugenheim, M.D.Houston, TX 770301730177320
- Melvyn Harrington, MDHouston, TX 770301851365258
- Richard Haynes, MDHouston, TX 770301689641789
Common questions
What is Gregory James Harbison, MD's NPI number?
Gregory James Harbison, MD's National Provider Identifier (NPI) is 1801425822, issued on Apr 2, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Gregory James Harbison, MD located?
The NPPES record lists a practice address at 6400 Fannin St Ste 1700, Houston, TX, 77030. Phone: (713) 486-5527. Providers update this record themselves, so call before visiting.
How can I verify Gregory James Harbison, MD's license?
NPPES lists Texas license number V6947, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory James Harbison, MD prescribe under Medicare Part D?
In 2024, Gregory James Harbison, MD had 41 Medicare Part D claims for 20 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.