Dustyn Erik Williams, MD

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

R3247 Issued in TX

Practice address

11671 Jollyville Rd Ste 202
Austin, TX 78759-4141

Phone

(512) 343-9848

Fax

(877) 296-2908

NPI assigned

Mar 29, 2011

Last updated

Feb 25, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in TX, CA2 enrollments

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 2

Specialty

Internal Medicine

Education

Tulane University School of Medicine, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Dose Management PAGroup PAC ID 0648692673, 3 clinicians

Dose Management Ca CorporationGroup PAC ID 8325411366, 2 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dustyn.williams.1@25634.direct.athenahealth.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Dose Management PA

  • Clinic/Center
  • Austin, TX
  • NPI 1447874334

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Dose Management Ca Corporation

  • Clinic/Center
  • Newport Beach, CA
  • NPI 1598400665

  Internal Medicine

  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1301356800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771977600000",
    "number": "1699064766",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11671 JOLLYVILLE RD STE 202",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787594141",
            "telephone_number": "512-343-9848",
            "fax_number": "877-296-2908"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11671 JOLLYVILLE RD STE 202",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787594141",
            "telephone_number": "512-343-9848",
            "fax_number": "877-296-2908"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2111 Kramer Ln Ste 100",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787584032",
            "country_code": "US",
            "telephone_number": "512-508-8320",
            "fax_number": "512-488-1745",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3007 Longhorn Blvd Ste 102",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787587632",
            "country_code": "US",
            "telephone_number": "512-566-4233",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "DUSTYN",
        "middle_name": "ERIK",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-03-29",
        "last_updated": "2026-02-25",
        "certification_date": "2026-02-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "R3247",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "141191",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "TX",
            "license": "R3247",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• David R Williams, MD
• Deidra Williams
• Destiny Williams, LCSW
• Devin Vestal Williams
• Donald Michael Williams, M.D.
• Edward Williams, LCSW
• Elizabeth Renee Williams, LPC-INTERN
• Eyvonne C Williams, LCSW
• Felecia G Williams, M.D.
• G. Richard Williams, M.D.

• Endocrinology, Diabetes & Metabolism Physician in Austin, TX
• Providers in Austin, TX by specialty
• Endocrinology, Diabetes & Metabolism Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 25, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.