Diana Martinez, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

R255844 Issued in MD

Practice address

6103 Baltimore Ave Ste T1
Riverdale, MD 20737-1966

Phone

(301) 277-2779

NPI assigned

Dec 12, 2024

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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.

• Potomac Oncology & Hematology, LLC

  • Hematology & Oncology Physician
  • Rockville, MD
  • NPI 1962947937
  NPD
• Riverdale Park Pediatrics PC

  • Pediatrics Physician
  • Riverdale, MD
  • NPI 1013386846
  NPD (past)

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

{
    "created_epoch": "1733961600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763337600000",
    "number": "1891502076",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2248 WASHINGTON AVE APT 202",
            "city": "SILVER SPRING",
            "state": "MD",
            "postal_code": "209102646"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6103 BALTIMORE AVE STE T1",
            "city": "RIVERDALE",
            "state": "MD",
            "postal_code": "207371966",
            "telephone_number": "301-277-2779"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARTINEZ",
        "first_name": "DIANA",
        "credential": "FNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-12-12",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MD",
            "license": "R255844",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maranatha Robertson Dental
• Maranatha Weir Group
• Magna Marcelin
• Cami Cyan Marshall, DPT, PT, ATC
• Ciro Manuel Martinez, D.C.
• Gisela Martinez, LCSW-C
• Maryland CVS Pharmacy, L.L.C.
• Delphine Elomba Masango
• Vilma Mascarenhas, M.D.
• Kallukalam Joseph Mathew, M.D.

• Family Nurse Practitioner in Riverdale, MD
• Providers in Riverdale, MD by specialty
• Family Nurse Practitioner in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.