Erik Marks, LICSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

110882 Issued in MA

Practice address

403 Highland Ave Ste 211
Somerville, MA 02144-2530

Phone

(617) 448-9916

Fax

(855) 739-4903

NPI assigned

Aug 18, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

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.

• Nora Ilniczky, PH.D., Psychotherapy and Wellbeing, LLC.

  • Adult Mental Health Clinic/Center
  • Cambridge, MA
  • NPI 1013141993
  NPD (past)

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

{
    "created_epoch": "1155859200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754006400000",
    "number": "1104930247",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "872 MASS AVE",
            "address_2": "SUITE 2-1",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021393073",
            "telephone_number": "617-448-9916",
            "fax_number": "855-739-4903"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "403 HIGHLAND AVE STE 211",
            "city": "SOMERVILLE",
            "state": "MA",
            "postal_code": "021442530",
            "telephone_number": "617-448-9916",
            "fax_number": "855-739-4903"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARKS",
        "first_name": "ERIK",
        "credential": "LICSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-08-18",
        "last_updated": "2025-08-01",
        "certification_date": "2025-08-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MA",
            "license": "110882",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1859374",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Lillian Mary Margola
• Jonathan Mari
• Marina Giuliani LLC
• Emily Alice Brown Marini, NP
• Andrea C Marinilli, M.A.
• Louise A Marks
• Nina D Marlowe, MD
• Diogo Scobee Marra
• Renee Ann Marrone, MA
• Lily Martin-Chamberlain

• Clinical Social Worker in Somerville, MA
• Providers in Somerville, MA by specialty
• Clinical Social Worker in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 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.