Katharine Tyler Clark, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

288942 Issued in MA

Practice address

8901 Wisconsin Ave
Bethesda, MD 20889-2696

Phone

(301) 295-4000

NPI assigned

Nov 27, 2018

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Electronic endpoints 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

Emergency Medicine

Education

Johns Hopkins University School of Medicine, 2021

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Adventist Healthcare White Oak Medical Center Hospital, Silver Spring, MD, CCN 210016

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 and National Provider Directory roles.

• Mep Health, LLC

  • Emergency Medicine Physician
  • Rockville, MD
  • NPI 1164483558

  DC

  Medicare reassignment NPD

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

• Adventist Healthcare, Inc.

  • General Acute Care Hospital
  • Silver Spring, MD
  • NPI 1487650024
  Care Compare affiliation

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

{
    "created_epoch": "1543276800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755648000000",
    "number": "1174093629",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8901 WISCONSIN AVE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208890006",
            "telephone_number": "301-295-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8901 WISCONSIN AVE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208892696",
            "telephone_number": "301-295-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CLARK",
        "first_name": "KATHARINE",
        "middle_name": "TYLER",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-11-27",
        "last_updated": "2025-08-20",
        "certification_date": "2025-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "288942",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "katharine.t.clark.mil@health.mil",
            "affiliation": "N",
            "endpointDescription": "email",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "8901 Wisconsin Ave",
            "city": "Bethesda",
            "state": "MD",
            "country_code": "US",
            "postal_code": "208890006",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Alexis Lauren Clapper
• Clarity Brain and Body Clinic LLC
• Barbara B Clark, CRNP
• Cheryl Clark, PTA A4176
• Cyerra Yvette Clark
• Katherine Mairi Clark, MD
• Nancy Claire Clark, M.D.
• Paul Albert Clark, D.O.
• Ashley Jean Clarke, MS, OTR/L
• Kenneth Clarke

• Emergency Medicine Physician in Bethesda, MD
• Providers in Bethesda, MD by specialty
• Emergency Medicine Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 2025; 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.