Marissa Elyse Dearden, MD

Primary specialty

Orthopaedic Hand Surgery PhysicianTaxonomy code 207XS0106X

License

329136 Issued in NY

Practice address

Orthopaedic Surgery 8901 Wisconsin Ave
Bethesda, MD 20889-0001

Phone

(301) 295-4290

NPI assigned

Jun 13, 2018

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 NY

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1528848000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754611200000",
    "number": "1023501095",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8901 ROCKVILLE PIKE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208890001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "ORTHOPAEDIC SURGERY 8901 WISCONSIN AVE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208890001",
            "telephone_number": "301-295-4290"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "535 E 70th St",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100214823",
            "country_code": "US",
            "telephone_number": "212-606-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DEARDEN",
        "first_name": "MARISSA",
        "middle_name": "ELYSE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-06-13",
        "last_updated": "2025-08-08",
        "certification_date": "2025-08-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207XS0106X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Hand Surgery",
            "state": "NY",
            "license": "329136",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Colette De Marneffe, PH.D.
• Suk S De Ravin, M.D., PHD.
• Jurrien Dean, M.D.
• Conrad Dear, MD
• Jacob Michael Dear, MD
• Letitia M Deas, PHARM.D.
• Jaquan Dease
• Maria-Lucia M Deausen, CRNP
• Daniel M. Debarros, L.AC.
• Shayna Debarros, CRNA

• Orthopaedic Hand Surgery Physician in Bethesda, MD
• Providers in Bethesda, MD by specialty
• Orthopaedic Hand Surgery Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 8, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.