Active NPI
Matthew Trevor Harbison, MD
- Hospitalist Physician
- Houston, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- M9344
- Practice address
- 6431 Fannin St
MSB 1.122
Houston, TX 77030-1501 - Phone
- (713) 500-6714
- NPI assigned
- Aug 15, 2006
- Last updated
- Nov 18, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | M9344 | TX | |
| Internal Medicine Physician | 207R00000X | FTL 41880 | TX | |
| Pediatrics Physician | 208000000X | FTL 41880 | TX | |
| Hospitalist Physician | 208M00000X | M9344 | TX | Primary |
Addresses
Primary practice location
6431 Fannin St
MSB 1.122
Houston, TX 77030-1501
Mailing address
6431 Fannin St
MSB 1.122
Houston, TX 77030-1501
Phone (713) 500-6714
Other practice location 1
921 Gessner Rd Ste 317
Houston, TX 77024-2501
Phone (713) 242-3768
Other practice location 2
1635 North Loop W
Houston, TX 77008-1532
Phone (713) 867-2066
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| I61065 | Other | UPIN | |
| 8AG684 | Other | BCBSTX |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| FTL 41880 | TX | MD | Pediatrics Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Memorial Hermann Medical Group | Internal Medicine | Current | Accepting new patients |
| Ut Physicians | Internal Medicine | Current | Accepting new patients |
| Ut Physicians | Current | Accepting new patients |
Locations
1505 E Winding Way Dr
Ste 200
Friendswood, TX 77546
Phone (713) 366-7800
1635 North Loop W
Houston, TX 77008
Phone (713) 867-2066
1801 North Loop W
Ste 30
Houston, TX 77008
Phone (713) 802-9781
6410 Fannin St
Ste 500
Houston, TX 77030
Phone (713) 500-5714
6410 Fannin St
Ste 600
Houston, TX 77030
Phone (832) 325-7100
6411 Fannin St
Houston, TX 77030
Phone (713) 500-6200
909 Frostwood Dr
Ste 1100
Houston, TX 77024
Phone (713) 338-4523
915 Gessner Rd
Ste 100
Houston, TX 77024
Phone (713) 242-2222
921 Gessner Rd
Ste 317
Houston, TX 77024
Phone (713) 242-3768
3203 Broadway St
Pearland, TX 77581
Phone (281) 485-8876
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Family Medicine Physician
- Fulshear, TX
- NPI 1003985102
Internal Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1155600000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1763424000000",
"number": "1043223209",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6431 FANNIN ST",
"address_2": "MSB 1.122",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770301501",
"telephone_number": "713-500-6714"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6431 FANNIN ST",
"address_2": "MSB 1.122",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770301501",
"telephone_number": "713-500-6714"
}
],
"practiceLocations": [
{
"address_1": "921 Gessner Rd Ste 317",
"address_purpose": "LOCATION",
"city": "Houston",
"state": "TX",
"postal_code": "770242501",
"country_code": "US",
"telephone_number": "713-242-3768",
"fax_number": "713-984-6854",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1635 North Loop W",
"address_purpose": "LOCATION",
"city": "Houston",
"state": "TX",
"postal_code": "770081532",
"country_code": "US",
"telephone_number": "713-867-2066",
"fax_number": "713-314-8280",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HARBISON",
"first_name": "MATTHEW",
"middle_name": "TREVOR",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-08-15",
"last_updated": "2025-11-18",
"certification_date": "2025-11-18",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "TX",
"license": "M9344",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "TX",
"license": "FTL 41880",
"primary": false
},
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "TX",
"license": "FTL 41880",
"primary": false
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "TX",
"license": "M9344",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "UPIN",
"identifier": "I61065",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBSTX",
"identifier": "8AG684",
"state": null
}
],
"endpoints": [],
"other_names": []
}
Other providers in Houston, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 18, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.