Josef C Dvorak, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

0101027708 Issued in VA

Practice address

1635 N George Mason Dr
Suite 350
Arlington, VA 22205-3601

Phone

(703) 528-6616

Fax

(703) 522-8082

NPI assigned

Jul 18, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 5

Medicare fee-for-service enrollment

Enrolled in DC

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

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

• The Endocrine Center PC

  • Endocrinology, Diabetes & Metabolism Physician
  • Fairfax, VA
  • NPI 1467749440
  NPD (past)

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

{
    "created_epoch": "1153180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1174541072",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1635 N GEORGE MASON DR",
            "address_2": "SUITE 350",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222053601",
            "telephone_number": "703-528-6616",
            "fax_number": "703-522-8082"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1635 N GEORGE MASON DR",
            "address_2": "SUITE 350",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222053601",
            "telephone_number": "703-528-6616",
            "fax_number": "703-522-8082"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DVORAK",
        "first_name": "JOSEF",
        "middle_name": "C",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-18",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0101027708",
            "primary": true
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "VA",
            "license": "0101027708",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS NTL CAPITOL  AREA",
            "identifier": "2643",
            "state": "DC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE",
            "identifier": "0101027708",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "408-7911",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "6080863",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "005150",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Hung Duong, D.D.S
• Natalia Duque-Gomez, DMD
• Karen Durana, PT
• Amanda Kristine Fitzwater Dutton, M.D
• Dva Healthcare Renal Care, Inc. (Arlington Dialysis)
• Alexandria Dykhuizen
• Dynamic Insight LLC
• Toni Dzinic, FNP
• Eaglewings Home Care LLC
• Earnest Power, LLC

• Internal Medicine Physician in Arlington, VA
• Providers in Arlington, VA by specialty
• Internal Medicine Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.