Eleni Maria Koudanis, APRN

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

RN2383782 Issued in MA

Practice address

564 Main St Suite 100
Waltham, MA 02452-5559

Phone

(833) 287-7223

NPI assigned

Aug 31, 2023

Sex

Female

Sole proprietor

No

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

Enrolled in MA

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 1

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

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.

• Advocate Home Health Care LLC

  • Home Health Agency
  • Beverly, MA
  • NPI 1225809411
  NPD Authorized official
• Jal Practice

  dba Emerge Ketamine

  • Emergency Medicine Physician
  • Woburn, MA
  • NPI 1730802687
  Medicare reassignment

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

{
    "created_epoch": "1693440000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758844800000",
    "number": "1700661253",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "564 MAIN ST SUITE 100",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "024525552"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "564 MAIN ST SUITE 100",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "024525559",
            "telephone_number": "833-287-7223"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOUDANIS",
        "first_name": "ELENI",
        "middle_name": "MARIA",
        "credential": "APRN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-08-31",
        "last_updated": "2025-09-26",
        "certification_date": "2025-09-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MA",
            "license": "RN2383782",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Koko Dental Care PLLC
• Stuart Koman, PH.D
• Sam Avery Kopf
• Thais Koproski, CERTIFIED DOULA
• Laura Rachel Koszer, OTD
• Gary L Kracoff, REG. PHARM, NMD
• Nadine Kraman, LMHC
• Amy Krasner, LICSW
• Tina Z. Kraus, LICSW
• Robin Krawczyk

• Psychiatric/Mental Health Nurse Practitioner in Waltham, MA
• Providers in Waltham, MA by specialty
• Psychiatric/Mental Health Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 26, 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.