Laurence R O'Halloran, MD

Primary specialty

SpecialistTaxonomy code 174400000X

License

0101051134 Issued in VA

Practice address

3299 Woodburn Rd
#300
Annandale, VA 22003-1275

Phone

(703) 534-3314

Fax

(703) 698-1334

NPI assigned

Oct 21, 2005

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 1

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

Specialty

OtolaryngologyAlso: Plastic and Reconstructive Surgery

Education

Washington University School of Medicine, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Fairfax ENT and Facial Plastic Surgery PCGroup PAC ID 3678471885, 5 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Inova Fairfax Hospital Hospital, Falls Church, VA, CCN 490063

Merit-based Incentive Payment System (MIPS)

Final score

0 of 100Reported as individual

Quality

0

Improvement activities

0

Cost

0

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Fairfax ENT & Facial Plastic Surgery, PC

  • Plastic Surgery within the Head & Neck (Otolaryngology) Physician
  • Falls Church, VA
  • NPI 1720259054

  DC

  Medicare reassignment Care Compare group NPD Authorized official
• Inova Health Care Services

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

  DC

  Medicare reassignment NPD
• Fairfax Hearing Center, Inc

  • Audiologist-Hearing Aid Fitter
  • Falls Church, VA
  • NPI 1336503358
  NPD (past) Authorized official
• Inova Health Care Services

  dba Radiology Imaging Associates

  • Diagnostic Radiology Physician
  • Waldorf, MD
  • NPI 1851829550
  NPD
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

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

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

• 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 Fairfax Hospital

  • General Acute Care Hospital
  • Falls Church, VA
  • NPI 1831220714
  Care Compare affiliation

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

{
    "created_epoch": "1129852800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1023007044",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3299 WOODBURN RD",
            "address_2": "#300",
            "city": "ANNANDALE",
            "state": "VA",
            "postal_code": "220031275",
            "telephone_number": "703-534-3314",
            "fax_number": "703-698-1334"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3299 WOODBURN RD",
            "address_2": "#300",
            "city": "ANNANDALE",
            "state": "VA",
            "postal_code": "220031275",
            "telephone_number": "703-534-3314",
            "fax_number": "703-698-1334"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'HALLORAN",
        "first_name": "LAURENCE",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-21",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "VA",
            "license": "0101051134",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "65-022-11",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Nu Pathway Healthcare and Wellness LLC
• Nu-Start Youth Intervention Services LLC
• NV Mental Health LLC
• Julius Nyambi
• Paul John O'Brien, MD
• Veronica O'Rourke, DO
• O&D L.L.C.
• Oasis of Life, LTD
• Linet Ocharo, FNP, RN
• Aman S Octain, DO

• Specialist in Annandale, VA
• Providers in Annandale, VA by specialty
• Specialist in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.