Christina Ellen Brzezniak, DO

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

0102205136 Issued in VA

Practice address

1860 Town Center Dr Ste 460
Reston, VA 20190-5901

Phone

(703) 437-6535

Fax

(703) 437-6549

NPI assigned

Sep 17, 2008

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in DC, VA2 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

Hematology/Oncology

Education

Lake Erie College of Osteopathic Medicine, Erie, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Virginia Cancer Specialists, P.C.Group PAC ID 2264412485, 80 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Reston Hospital Center Hospital, Reston, VA, CCN 490107
• Inova Loudoun Hospital Hospital, Leesburg, VA, CCN 490043

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: christina.brzezniak@vcs.ikm.direct-ci.com

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.

• Virginia Cancer Specialists, P.C.

  • Hematology & Oncology Physician
  • Fairfax, VA
  • NPI 1346294519

  DC, Hematology & Oncology, VA

  Medicare reassignment Care Compare group NPD
• Virginia Cancer Specialists, P.C.

  • Community/Retail Pharmacy
  • Fairfax, VA
  • NPI 1053847293

  Hematology

  Care Compare group NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Inova Health Care Services

  • Psychiatric Hospital Unit
  • Leesburg, VA
  • NPI 1285786228

  Hospital

  Care Compare affiliation
• Inova Health Care Services

  • General Acute Care Hospital
  • Leesburg, VA
  • NPI 1376564302

  Hospital

  Care Compare affiliation
• Reston Hospital Center LLC

  • General Acute Care Hospital
  • Reston, VA
  • NPI 1053363853

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1221609600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762819200000",
    "number": "1356590004",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1860 TOWN CENTER DR STE 460",
            "city": "RESTON",
            "state": "VA",
            "postal_code": "201905901",
            "telephone_number": "571-350-8400",
            "fax_number": "703-437-6549"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1860 TOWN CENTER DR STE 460",
            "city": "RESTON",
            "state": "VA",
            "postal_code": "201905901",
            "telephone_number": "703-437-6535",
            "fax_number": "703-437-6549"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BRZEZNIAK",
        "first_name": "CHRISTINA",
        "middle_name": "ELLEN",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-09-17",
        "last_updated": "2025-11-11",
        "certification_date": "2025-11-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "VA",
            "license": "0102205136",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "VA",
            "license": "0102205136",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "VA",
            "license": "0102205136",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0102205136",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1356590004",
            "state": "VA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "christina.brzezniak@vcs.ikm.direct-ci.com",
            "affiliation": "N",
            "endpointDescription": "Direct Messaging for provider",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Electronic Health Record",
            "address_1": "1860 Town Center Dr Ste 460",
            "city": "Reston",
            "state": "VA",
            "country_code": "US",
            "postal_code": "201905901",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Judith Rose Brown, M. ED
• Kathryn Egan Brown, JD/MSW
• Thuong Thi Brown V, MSW/LCSW
• Thomas A Bruce, MD
• Christopher Alan Bruno, DC
• Mary K. Buchan, NP
• Anita M. Budhrani, PHARM D.
• Anneka Lauren Buehler Sherman
• Rebecca Ann Buffone, DC
• Oanh Kim Bui-Platten, O.D.

• All providers in Reston, VA
• Hematology & Oncology Physician in Virginia

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