Marissa Elizabeth Fitlin

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

License

PA200001677 Issued in DC

Practice address

900 23Rd St NW
Washington, DC 20037-2342

Phone

(202) 745-8000

NPI assigned

Dec 15, 2020

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in VA, DC2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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.

• Emergency Medicine Associates, P.a.,P.C.

  • Internal Medicine Physician
  • Dulles, VA
  • NPI 1376917070
  Medicare reassignment NPD
• Medical Faculty Associates, Inc

  • Anesthesiology Physician
  • Washington, DC
  • NPI 1417990581
  Medicare reassignment
• Emergency Medicine Associates P.a., P.C.

  • Internal Medicine Physician
  • Culpeper, VA
  • NPI 1881559102
  NPD
• Arnot Medical Services PLLC

  • Internal Medicine Physician
  • Elmira, NY
  • NPI 1427326768
  NPD (past)

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

{
    "created_epoch": "1607990400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785110400000",
    "number": "1962098756",
    "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",
            "telephone_number": "202-745-8000"
        },
        {
            "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": "202-745-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8901 Wisconsin Ave",
            "address_purpose": "LOCATION",
            "city": "Bethesda",
            "state": "MD",
            "postal_code": "208891541",
            "country_code": "US",
            "telephone_number": "301-295-4810",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FITLIN",
        "first_name": "MARISSA",
        "middle_name": "ELIZABETH",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-12-15",
        "last_updated": "2026-07-27",
        "certification_date": "2026-07-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "VA",
            "license": "0110008875",
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "NY",
            "license": null,
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "DC",
            "license": "PA200001677",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Catherine J Fitch
• Latoya Fitch
• Rikia Joyce Fitchett
• Ebony Fitchue
• Heike Ashebir Fite, HHA
• Renee Jean Fittery, LPN
• Valerie Fitton, PA-C
• Terrenia Fitts, DRPH, OTR
• Bryant Fitzgerald
• Catherine Fitzgerald

• Medical Physician Assistant in Washington, DC
• Providers in Washington, DC by specialty
• Medical Physician Assistant in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 27, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.