Marissa Potenza

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

MD210003006 Issued in DC

Practice address

900 23Rd St NW
Washington, DC 20037-2342

Phone

(202) 741-2911

Fax

(202) 741-2921

NPI assigned

Mar 28, 2016

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Albany Medical College of Union University, 2016

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

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.

• Medical Faculty Associates, Inc

  • Anesthesiology Physician
  • Washington, DC
  • NPI 1417990581

  Emergency Medicine

  Medicare reassignment Care Compare group NPD

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

• District Hospital Partners L P

  • 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": "1459123200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773273600000",
    "number": "1760844880",
    "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": "8901 Wisconsin Ave",
            "address_purpose": "LOCATION",
            "city": "Bethesda",
            "state": "MD",
            "postal_code": "208890001",
            "country_code": "US",
            "telephone_number": "301-295-4810",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "POTENZA",
        "first_name": "MARISSA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-03-28",
        "last_updated": "2026-03-12",
        "certification_date": "2026-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "DC",
            "license": "MD210003006",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NY",
            "license": "293790",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kristie Postorino, LICSW
• Savita Narayani Potarazu, MD, MPH
• Kemeyalo Hesouwe Potcho
• Meenu Potdar, MD
• Carolie Dionne Poteat
• Morgan Pothast, MD
• Nicole Potolicchio
• Potomac Internists, P.C.
• Potomac Lighthouse PCS
• Potomac Psychology Group, PLLC

• 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 12, 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.