Coen Johannes Gerardus Lap, MD, PHD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

MD210011724 Issued in DC

Practice address

3800 Reservoir Rd NW
Washington, DC 20007-2113

Phone

(202) 444-2223

NPI assigned

Apr 3, 2020

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Specialty

Hematology/Oncology

Education

Other, 2008

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

Interoperability endpoints

• Direct secure messaging: clap19396@gwmfa.direct-ci.com

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

{
    "created_epoch": "1585872000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776729600000",
    "number": "1275162000",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3800 RESERVOIR RD NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200072113",
            "telephone_number": "202-444-2223"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3800 RESERVOIR RD NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200072113",
            "telephone_number": "202-444-2223"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAP",
        "first_name": "COEN",
        "middle_name": "JOHANNES GERARDUS",
        "credential": "MD, PHD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-04-03",
        "last_updated": "2026-04-21",
        "certification_date": "2026-04-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "DC",
            "license": "MD210011724",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Edward Lansana
• Judy Lynn Lansing, M.S.W.
• Ashley Foster Lanzel, MD
• Elizabeth C Lanzillo
• Tolani Laoye, RDLN
• Jessica B Lapiano, MD
• Richard Lapin, MD
• Brandon Laporte, DO
• Megan Laporte, LPC
• Danielle Rose Laprad, PHARMD

• Hematology & Oncology Physician in Washington, DC
• Providers in Washington, DC by specialty
• Hematology & Oncology Physician in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 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.