Brian John Decastro, M.D.

Primary specialty

Urology PhysicianTaxonomy code 208800000X

License

0101254296 Issued in VA

Practice address

3650 Joseph Siewick Dr Ste 305
Fairfax, VA 22033-1714

Phone

(571) 472-0912

Fax

(571) 665-6770

NPI assigned

Feb 6, 2006

Last updated

Apr 22, 2026By the provider in NPPES

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

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in VA, DC2 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

Urology

Education

State University of Ny Upstate Medical University, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Inova Health Care ServicesGroup PAC ID 2466351093, 1,821 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Caregivers Home Health Services, Inc Home health agency, Tysons, VA, CCN 497559
• Inova Fair Oaks Hospital Hospital, Fairfax, VA, CCN 490101
• Inova Fairfax Hospital Hospital, Falls Church, VA, CCN 490063
• Inova Loudoun Hospital Hospital, Leesburg, VA, CCN 490043
• Inova Alexandria Hospital Hospital, Alexandria, VA, CCN 490040
• Uva Health Haymarket Medical Center Hospital, Haymarket, VA, CCN 490144

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: bdecastro1154832@soc.inova.org

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.

• Inova Health Care Services

  • Internal Medicine Physician
  • Falls Church, VA
  • NPI 1952320061

  DC

  Medicare reassignment Care Compare group NPD
• Winchester Medical Center

  dba Valley Intensivists

  • Critical Care Medicine (Internal Medicine) Physician
  • Winchester, VA
  • NPI 1679711261
  Medicare reassignment NPD
• Fauquier Physician Practices LLC

  • Internal Medicine Physician
  • Warrenton, VA
  • NPI 1770916983
  Medicare reassignment
• Gastrointestinal Specialists LLC

  • Urology Physician
  • Woodbridge, VA
  • NPI 1861588592
  Medicare reassignment
• Inova Health Care Services

  dba Inova Juniper Program

  • Multi-Specialty Clinic/Center
  • Fairfax, VA
  • NPI 1669511051
  NPD
• Inova Health Care Services

  dba Inova Blood Donor Services

  • Medical Technologist
  • Sterling, VA
  • NPI 1699655589
  NPD
• Winchester Medical Center

  dba Valley Health Pediatrics Department of Winchester Medical Center

  • Pediatrics Physician
  • Winchester, VA
  • NPI 1013874742
  NPD
• Winchester Medical Center

  • Obstetrics & Gynecology Physician
  • Winchester, VA
  • NPI 1760433791
  NPD

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

• Caregivers Home Health Services, Inc.

  • Home Health Agency
  • Tysons, VA
  • NPI 1518967744
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Alexandria Hospital

  • General Acute Care Hospital
  • Alexandria, VA
  • NPI 1255684460
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Loudoun Hospital

  • Psychiatric Hospital Unit
  • Leesburg, VA
  • NPI 1285786228
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Loudoun Hospital

  • General Acute Care Hospital
  • Leesburg, VA
  • NPI 1376564302
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Fairfax Hospital

  • Rehabilitation Hospital Unit
  • Falls Church, VA
  • NPI 1588795462
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Fair Oaks Hospital

  • General Acute Care Hospital
  • Fairfax, VA
  • NPI 1760513980
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Fairfax Hospital

  • General Acute Care Hospital
  • Falls Church, VA
  • NPI 1831220714
  Care Compare affiliation
• Uva Prince William Medical Center

  dba UVA Health Haymarket Medical Center

  • General Acute Care Hospital
  • Haymarket, VA
  • NPI 1124369137
  Care Compare affiliation

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

{
    "created_epoch": "1139184000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776816000000",
    "number": "1114999851",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 37174",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212973174",
            "telephone_number": "571-423-5699",
            "fax_number": "571-423-5698"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3650 JOSEPH SIEWICK DR STE 305",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220331714",
            "telephone_number": "571-472-0912",
            "fax_number": "571-665-6770"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DECASTRO",
        "first_name": "BRIAN",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-06",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "VA",
            "license": "0101254296",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "bdecastro1154832@soc.inova.org",
            "affiliation": "N",
            "address_1": "1712 Amherst St",
            "city": "Winchester",
            "state": "VA",
            "country_code": "US",
            "postal_code": "226012807",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "bdecastro1154832@soc.inova.org",
            "affiliation": "N",
            "address_1": "1840 Amherst St",
            "city": "Winchester",
            "state": "VA",
            "country_code": "US",
            "postal_code": "226012808",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Alexis Dean
• Matthew Dean, LPC
• Theresa Dean
• Ruth Ellen Dearson, M.A., CCC-SLP
• Elijah James Deboe, LPC
• Valeria Decelle
• Emily P Deck, MS, ATC, LAT
• Joel Thomas Deckard
• Barry John Decker, M.D.
• Patti P Decorte, CPNP

• Urology Physician in Fairfax, VA
• Providers in Fairfax, VA by specialty
• Urology Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 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.