Individual provider Active NPI

William Christopher Frey, MD

  • Sleep Medicine (Internal Medicine) Physician
  • Jbsa Lackland, TX
National Provider Identifier
1427049345
Registry record updated Mar 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0012X
License
L4380 Issued in TX
Practice address
1100 Wilford Hall Loop
Jbsa Lackland, TX 78236
Phone
(201) 292-3322
Fax
(210) 292-4741
NPI assigned
Oct 31, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 21, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pulmonary Disease Physician 207RP1001X L4380 TX
Sleep Medicine (Internal Medicine) Physician 207RS0012X L4380 TX Primary

Addresses

Primary practice location

1100 Wilford Hall Loop
Jbsa Lackland, TX 78236

Mailing address

3551 Roger Brooke Dr
Jbsa Ft Sam Houston, TX 78234-4504
Phone (210) 539-9582

Other practice location 1

3551 Roger Brooke Dr
Jbsa Ft Sam Houston, TX 78234-4504
Phone (210) 539-9582

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
I20120625000693 TX Order and Referring Only - Internal MedicinePractitioner - Internal MedicinePractitioner - Pulmonary DiseasePractitioner - Critical Care (Intensivists)Practitioner - Sleep Medicine 5395900302

National Provider Directory

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

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": "1742515200000",
    "number": "1427049345",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3551 ROGER BROOKE DR",
            "city": "JBSA FT SAM HOUSTON",
            "state": "TX",
            "postal_code": "782344504",
            "telephone_number": "210-539-9582"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 WILFORD HALL LOOP",
            "city": "JBSA LACKLAND",
            "state": "TX",
            "postal_code": "78236",
            "telephone_number": "201-292-3322",
            "fax_number": "210-292-4741"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3551 Roger Brooke Dr",
            "address_purpose": "LOCATION",
            "city": "Jbsa Ft Sam Houston",
            "state": "TX",
            "postal_code": "782344504",
            "country_code": "US",
            "telephone_number": "210-539-9582",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FREY",
        "first_name": "WILLIAM",
        "middle_name": "CHRISTOPHER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-31",
        "last_updated": "2025-03-21",
        "certification_date": "2025-03-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "TX",
            "license": "L4380",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "TX",
            "license": "L4380",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Jbsa Lackland, TX

Sources for this page

Verify at the official NPI Registry.