John R Olsen, M.D.

Primary specialty

Vascular & Interventional Radiology PhysicianTaxonomy code 2085R0204X

License

MD041023E Issued in PA

Practice address

3851 Roger Brooke Dr
McHe-QD (Credentials)
Fort Sam Houston, TX 78234-4501

Phone

(210) 916-4143

NPI assigned

Nov 11, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1131667200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1932180361",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "639 ELIZABETH RD",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782096134",
            "telephone_number": "210-828-2021",
            "fax_number": "210-828-2021"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3851 ROGER BROOKE DR",
            "address_2": "MCHE-QD (CREDENTIALS)",
            "city": "FORT SAM HOUSTON",
            "state": "TX",
            "postal_code": "782344501",
            "telephone_number": "210-916-4143"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLSEN",
        "first_name": "JOHN",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-11",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0204X",
            "taxonomy_group": "",
            "desc": "Radiology, Vascular & Interventional Radiology",
            "state": "PA",
            "license": "MD041023E",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Diana P Olivares, PA-C
• Robert Oliver, OTR
• Forrest W. Oliverson, MD, MPH
• Heather Ruth Olmo, DDS
• Ashley Marie Olmsted
• Michael Thomas Olson, MD
• David Trent Orman, MD
• Ashley N Orr, OTR/L
• Scott Christopher Orr, MD
• Caroline Ortiz

• Vascular & Interventional Radiology Physician in Fort Sam Houston, TX
• Providers in Fort Sam Houston, TX by specialty
• Vascular & Interventional Radiology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.