Marcus Felix Chajecki, CASAC-T / CRAP

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

40875 Issued in NY

Practice address

388 Richmond Ter Apt 6a
Staten Island, NY 10301-1531

Phone

(718) 772-6870

NPI assigned

Aug 16, 2025

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not 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.

• Camelot of Staten Island, Inc.

  • Addiction (Substance Use Disorder) Counselor
  • Staten Island, NY
  • NPI 1942359476
  NPD (past)

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

{
    "created_epoch": "1755302400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755302400000",
    "number": "1467339119",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "388 RICHMOND TER APT 6A",
            "city": "STATEN ISLAND",
            "state": "NY",
            "postal_code": "103011531",
            "telephone_number": "718-772-6870"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "388 RICHMOND TER APT 6A",
            "city": "STATEN ISLAND",
            "state": "NY",
            "postal_code": "103011531",
            "telephone_number": "718-772-6870"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAJECKI",
        "first_name": "MARCUS",
        "middle_name": "FELIX",
        "credential": "CASAC-T / CRAP",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-08-16",
        "last_updated": "2025-08-16",
        "certification_date": "2025-08-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "NY",
            "license": "40875",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Byungjoon Joseph Chae, MD
• Chainani Ashok Nanikram BDS,PC
• Ashok N Chainani, B.D.S
• Om G Chainani, DMD
• Mindy Chait
• Viola Chaka
• Sujit Chakrabarti, M.D
• Jean Chalhoub, M.D
• Michel Nabih Chalhoub, MD
• Natalya Chalik, MD

• Addiction (Substance Use Disorder) Counselor in Staten Island, NY
• Providers in Staten Island, NY by specialty
• Addiction (Substance Use Disorder) Counselor in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 16, 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.