Individual provider Active NPI

Gary William Dufresne, DO

  • Emergency Medicine Physician
  • Fort Sam Houston, TX
National Provider Identifier
1689664930
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
02002851A Issued in IN
Practice address
3851 Roger Brooke Dr
Brooke Army Medical Center, McHe-QD/ Credentials
Fort Sam Houston, TX 78234-4501
Phone
(210) 916-2460
NPI assigned
Oct 27, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 02002851A IN Primary

Addresses

Primary practice location

3851 Roger Brooke Dr
Brooke Army Medical Center, McHe-QD/ Credentials
Fort Sam Houston, TX 78234-4501

Mailing address

1003 River GLN W
San Antonio, TX 78216-7834
Phone (210) 408-2396

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20130722000138 TX Practitioner - Emergency Medicine 3577704329 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
02002851AINMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Medicine Services of TX, PLLC Emergency Medicine CurrentSince Apr 1, 2023 Accepting new patients
Victoria Emergency Associates LLC Emergency Medicine CurrentSince Dec 27, 2013 Accepting new patients

Locations

2000 Health Park Dr
Brentwood, TN 37027
Phone (615) 372-5426

12285 Bandera Rd
Helotes, TX 78023
Phone (210) 575-2285

12412 Judson Rd
Live Oak, TX 78233
Phone (210) 646-5000

1850 State Highway 46 W
Ste 109
New Braunfels, TX 78132
Phone (210) 757-5850

1139 E Sonterra Blvd
San Antonio, TX 78258
Phone (210) 638-2000

7700 Floyd Curl Dr
San Antonio, TX 78229
Phone (210) 575-5564

12805 W Interstate 10
San Antonio, TX 78249
Phone (210) 575-9805

5510 Presidio Pkwy
San Antonio, TX 78249
Phone (210) 452-4121

9211 Potranco Rd
San Antonio, TX 78251
Phone (210) 575-9211

506 E San Antonio St
Victoria, TX 77901
Phone (361) 575-1445

500 W Medical Center Blvd
Webster, TX 77598
Phone (713) 447-4650

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1130371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1689664930",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1003 RIVER GLN W",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782167834",
            "telephone_number": "210-408-2396"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3851 ROGER BROOKE DR",
            "address_2": "BROOKE ARMY MEDICAL CENTER, MCHE-QD/ CREDENTIALS",
            "city": "FORT SAM HOUSTON",
            "state": "TX",
            "postal_code": "782344501",
            "telephone_number": "210-916-2460"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUFRESNE",
        "first_name": "GARY",
        "middle_name": "WILLIAM",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-27",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IN",
            "license": "02002851A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fort Sam Houston, TX

Sources for this page

Verify at the official NPI Registry.