GREGORY JAMES HARBISON MD
NPI 1801425822
Orthopaedic Surgery in Houston, TX

Active since April 02, 2020PECOS EnrolledAccepts Medicare Assignment
6400 FANNIN ST STE 1700, HOUSTON, TX 77030(713) 486-5527 Get Directions Write a Review

NPPES record last updated: July 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 10, 2025, Apr 19, 2020, Apr 2, 2020 (3 updates tracked since 2020).

About Gregory James Harbison Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY JAMES HARBISON MD (NPI 1801425822) is an individual orthopaedic surgery provider in Houston, Texas, licensed in Texas (V6947) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1801425822
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameGREGORY JAMES HARBISONCredential: MD
Location Address6400 FANNIN ST STE 1700Houston, TX 77030-1526
Mailing Address6400 Fannin St Ste 1700Houston, TX 77030-1526
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 2, 2020
Last NPPES UpdateJuly 10, 20253 updates tracked since enumeration
NPPES CertifiedJuly 10, 2025
NPI 1801425822 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses Licensed in TX · V6947 Licensed in CA · A183430
Definition
An 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 involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
6400 FANNIN ST STE 1700, Houston, TX 77030

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Gregory James Harbison Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496128589
PECOS Enrollment IDI20250728001794
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann - Texas Medical Center

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450068
Location6411 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Orthopaedic Surgery (Sports Medicine)
6400 FANNIN ST STE 1700
HOUSTON, TX 77030
Student in an Organized Health Care Education/Training Program
6400 FANNIN ST STE 1700
HOUSTON, TX 77030
Orthopaedic Surgery
6400 FANNIN ST STE 1700
HOUSTON, TX 77030
Student in an Organized Health Care Education/Training Program
6400 FANNIN ST STE 1700
HOUSTON, TX 77030
Physician Assistant (Surgical)
6400 FANNIN ST STE 1700
HOUSTON, TX 77030
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
6400 FANNIN ST STE 1700
HOUSTON, TX 77030
Student in an Organized Health Care Education/Training Program
6400 FANNIN ST STE 1700
HOUSTON, TX 77030
Orthopaedic Surgery (Sports Medicine)
6400 FANNIN ST STE 1700
HOUSTON, TX 77030

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Harbison's NPI number?

The NPI number for Gregory Harbison is 1801425822. It was assigned to this individual provider in the NPPES registry on April 2, 2020.

Where is Gregory Harbison located?

Gregory Harbison practices at 6400 Fannin St Ste 1700, Houston, TX 77030. The listed phone number is (713) 486-5527.

What is Gregory Harbison's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Gregory Harbison enrolled in Medicare?

Yes. Gregory Harbison is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Gregory Harbison accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Gregory Harbison as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gregory Harbison affiliated with any hospitals?

According to CMS data, Gregory Harbison is affiliated with Memorial Hermann - Texas Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory Harbison was last updated on July 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.