Individual provider Active NPI

Howard Karl Haislip, PA

  • Aerospace Medicine Physician
  • Fort Sam Houston, TX
National Provider Identifier
1851382774
Registry record updated Jun 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Aerospace Medicine PhysicianTaxonomy code 2083A0100X
License
TXPA01512 Issued in TX
Practice address
3551 Roger Brook Drive
Brook Army Medical Center
Fort Sam Houston, TX 78234
Phone
(210) 808-2382
NPI assigned
Oct 31, 2005
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 24, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Aerospace Medicine Physician 2083A0100X TXPA01512 TX Primary
Physician Assistant 363A00000X TXPA01512 TX

Addresses

Primary practice location

3551 Roger Brook Drive
Brook Army Medical Center
Fort Sam Houston, TX 78234

Mailing address

3551 Roger Brooke Dr
Fort Sam Houston, TX 78234-4504
Phone (210) 539-1975

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
TXPA01512TXMDPhysician Assistant

NPI Registry JSON

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

{
    "created_epoch": "1130716800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782259200000",
    "number": "1851382774",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3551 ROGER BROOKE DR",
            "city": "FORT SAM HOUSTON",
            "state": "TX",
            "postal_code": "782344504",
            "telephone_number": "210-539-1975"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3551 ROGER BROOK DRIVE",
            "address_2": "BROOK ARMY MEDICAL CENTER",
            "city": "FORT SAM HOUSTON",
            "state": "TX",
            "postal_code": "78234",
            "telephone_number": "210-808-2382"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAISLIP",
        "first_name": "HOWARD",
        "middle_name": "KARL",
        "credential": "PA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-10-31",
        "last_updated": "2026-06-24",
        "certification_date": "2026-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2083A0100X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Aerospace Medicine",
            "state": "TX",
            "license": "TXPA01512",
            "primary": true
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "TX",
            "license": "TXPA01512",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fort Sam Houston, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.