Claus Johan Ullstad, DDS, MS, MMS

Primary specialty

PeriodonticsTaxonomy code 1223P0300X

License

0401416394 Issued in VA

Practice address

Budge Dental Clinic
3145 Garden Ave #1278
Fort Sam Houston, TX 78234

Phone

(210) 808-2434

NPI assigned

Jun 8, 2016

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

Enrolled in VA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science

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

{
    "created_epoch": "1465344000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1023467289",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "NMRTCC SAN ANTONIO/SAMMC LNO",
            "address_2": "3851 ROGER BROOKE DRIVE",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "78234",
            "telephone_number": "210-808-2434"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "BUDGE DENTAL CLINIC",
            "address_2": "3145 GARDEN AVE #1278",
            "city": "FORT SAM HOUSTON",
            "state": "TX",
            "postal_code": "78234",
            "telephone_number": "210-808-2434"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ULLSTAD",
        "first_name": "CLAUS",
        "middle_name": "JOHAN",
        "name_prefix": "Dr.",
        "credential": "DDS, MS, MMS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-06-08",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223P0300X",
            "taxonomy_group": "",
            "desc": "Dentist, Periodontics",
            "state": "VA",
            "license": "0401416394",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Matthew Jonathan Tutterow, LCSW
• James Anthony Twitchell, OD
• Johnnie Ray Tyler III, PTA
• Katherine M Tyrell, LMSW
• Elizabeth Uecker, PA-C
• Jon Alan Umlauf, DPT
• Mary Agnes Uttermohlen, MSN, FNP-BC, RN-C
• Cheryl Vajdos, RN
• James Michael Valdez, LCSW
• Debra Valdivieso, CRNA

• Periodontics in Fort Sam Houston, TX
• Providers in Fort Sam Houston, TX by specialty
• Periodontics 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.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.