Individual provider Active NPI

John Ardis Linfoot Jr., M.D., M.P.H.

  • Critical Care Medicine (Internal Medicine) Physician
  • Fort Sam Houston, TX
National Provider Identifier
1316937899
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
M1205 Issued in TX
Practice address
Brooke Army Medical Center, McHe-QD/ Credentials
3851 Roger Brooke Dr
Fort Sam Houston, TX 78234-6200
Phone
(210) 916-5250
Fax
(210) 916-1602
NPI assigned
Oct 25, 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
Critical Care Medicine (Internal Medicine) Physician 207RC0200X M1205 TX Primary

Addresses

Primary practice location

Brooke Army Medical Center, McHe-QD/ Credentials
3851 Roger Brooke Dr
Fort Sam Houston, TX 78234-6200

Mailing address

1517 Cordillera Trce
Boerne, TX 78006-4233
Phone (830) 230-5097

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
I20140127001529 TX Practitioner - Internal Medicine 1658500491 Reassigns benefits to 1 organization

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Hospitalist Medicine Physicians of Texas, PLLC CurrentSince Jun 15, 2015 Accepting new patients

Locations

1500 S Main St
Ft Worth, TX 76104
Phone (817) 921-3431

7600 Beechnut St
Houston, TX 77074
Phone (713) 456-5000

18951 N Memorial Dr
Humble, TX 77338
Phone (281) 319-8409

551 Hill Country Dr
Kerrville, TX 78028
Phone (830) 257-5414

2600 Saint Michael Dr
Texarkana, TX 75503
Phone (903) 614-1000

Organizations & group practices 1

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": "1130198400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1316937899",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1517 CORDILLERA TRCE",
            "city": "BOERNE",
            "state": "TX",
            "postal_code": "780064233",
            "telephone_number": "830-230-5097",
            "fax_number": "830-230-5097"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "BROOKE ARMY MEDICAL CENTER, MCHE-QD/ CREDENTIALS",
            "address_2": "3851 ROGER BROOKE DR",
            "city": "FORT SAM HOUSTON",
            "state": "TX",
            "postal_code": "782346200",
            "telephone_number": "210-916-5250",
            "fax_number": "210-916-1602"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LINFOOT",
        "first_name": "JOHN",
        "middle_name": "ARDIS",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "M.D., M.P.H.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "TX",
            "license": "M1205",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fort Sam Houston, TX

Sources for this page

Verify at the official NPI Registry.