Walter M O'Brien, MD

Primary specialty

Urology PhysicianTaxonomy code 208800000X

License

0101038671 Issued in VA

Practice address

19415 Deerfield Avenue, Suite 112
Leesburg, VA 20176-8470

Phone

(703) 724-1195

Fax

(703) 724-4495

NPI assigned

Sep 9, 2005

Last updated

Jan 10, 2024By 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

Other identifiers 5

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Merit-based Incentive Payment System (MIPS)

Final score

55.59 of 100Reported as group

Quality

26.02

Promoting interoperability

100

Improvement activities

0

Cost

75.94

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

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

{
    "created_epoch": "1126224000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1704844800000",
    "number": "1730173360",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9815 SPRING RIDGE LN",
            "city": "VIENNA",
            "state": "VA",
            "postal_code": "221821453"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19415 DEERFIELD AVENUE, SUITE 112",
            "city": "LEESBURG",
            "state": "VA",
            "postal_code": "201768470",
            "telephone_number": "703-724-1195",
            "fax_number": "703-724-4495"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "WALTER",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-09",
        "last_updated": "2024-01-10",
        "certification_date": "2024-01-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "VA",
            "license": "0101038671",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1730173360",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "340018240",
            "state": "DC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7503300",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RRMEDICARE",
            "identifier": "340017880",
            "state": "VA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7503326",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Nova Lifesmiles PLLC
• Nova Surgical Assists
• Visnja Novacki, MD
• Carrie R Nowell, PSY.D.
• Edward Nwanneka
• Jennifer O'Bryan, LCSW
• Brooke O'Connell
• Amy O'Connor, CSFA
• James Patrick O'Connor, M.D.
• Kevin Paul O'Connor, MD

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 10, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• 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.