John Lafleur, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

MD044234 Issued in DC

Practice address

900 23Rd St NW
Washington, DC 20037-2342

Phone

(202) 741-2911

Fax

(202) 741-2921

NPI assigned

Jul 27, 2006

Last updated

Mar 23, 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

Other identifiers 7

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

Emergency Medicine

Education

State University of New York at Buffalo School of Medicine, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Medical Faculty Associates, IncGroup PAC ID 4082528898, 676 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• George Washington Univ Hospital Hospital, Washington, DC, CCN 090001

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Medical Faculty Associates, Inc

  • Anesthesiology Physician
  • Washington, DC
  • NPI 1417990581

  Emergency Medicine

  Medicare reassignment Care Compare group NPD
• CMC Radiological Services PC

  dba St Vincents Catholic Medical Center

  • Diagnostic Radiology Physician
  • Elmhurst, NY
  • NPI 1093851990
  NPD (past)
• CMC Radiological Services PC

  dba St Vincents Catholic Medical Center

  • Diagnostic Radiology Physician
  • Jamaica, NY
  • NPI 1285780502
  NPD (past)

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

• District Hospital Partners L P

  dba The George Washington University Hospital

  • General Acute Care Hospital
  • Washington, DC
  • NPI 1487640207
  Care Compare affiliation

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

{
    "created_epoch": "1153958400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774224000000",
    "number": "1992719108",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "900 23RD ST NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200372342"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 23RD ST NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200372342",
            "telephone_number": "202-741-2911",
            "fax_number": "202-741-2921"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4494 palmer rd.",
            "address_purpose": "LOCATION",
            "city": "n. bethesda",
            "state": "MD",
            "postal_code": "20814",
            "country_code": "US",
            "telephone_number": "301-295-4000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "8901 Wisconsin Ave",
            "address_purpose": "LOCATION",
            "city": "Bethesda",
            "state": "MD",
            "postal_code": "208891541",
            "country_code": "US",
            "telephone_number": "301-295-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LAFLEUR",
        "first_name": "JOHN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-27",
        "last_updated": "2026-03-23",
        "certification_date": "2026-03-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "DC",
            "license": "MD044234",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "03/10/2008",
            "state": "RI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7057308",
            "state": "RI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RI MEDICARE GROUP NUMBER",
            "identifier": "939025129",
            "state": "RI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "01-27-2009",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED HEALTHCARE",
            "identifier": "04-15-2009",
            "state": "RI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NPI",
            "identifier": "1992719108",
            "state": "RI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NHPRI",
            "identifier": "08-14-2008",
            "state": "RI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sophia Ladner
• Betty Knight Ladson, SLP
• Ladybug
• Katherine A Laessig, M.D.
• Susan L Laessig, MD
• Joseph Lafleur, M.S.W.
• Sarah Lafleur, DO
• Gladys Lafon
• Anne Teresa Lafond, LICSW
• Deborah Lafond, NP

• Emergency Medicine Physician in Washington, DC
• Providers in Washington, DC by specialty
• Emergency Medicine Physician in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 23, 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.