Charlotte N Oleksak

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

8654 Issued in MA

Practice address

94 N Elm St
Westfield, MA 01085-1647

Phone

(413) 540-1234

NPI assigned

Aug 20, 2010

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: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Interoperability endpoints

• FHIR API: https://api.qualifacts.org/api/fhir/rvccinc/r4/

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.

• River Valley Counseling Center, Inc

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Holyoke, MA
  • NPI 1851444616
  Medicare reassignment
• River Valley Counseling Center, Inc

  • Community/Behavioral Health Agency
  • Holyoke, MA
  • NPI 1003266727
  NPD (past)

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

{
    "created_epoch": "1282262400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1225344898",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "130 MAPLE STREET",
            "address_2": "SUITE 325",
            "city": "SPRINGFIELD",
            "state": "MA",
            "postal_code": "011032202",
            "telephone_number": "413-737-9544",
            "fax_number": "413-737-4455"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "94 N ELM ST",
            "city": "WESTFIELD",
            "state": "MA",
            "postal_code": "010851647",
            "telephone_number": "413-540-1234"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLEKSAK",
        "first_name": "CHARLOTTE",
        "middle_name": "N",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-08-20",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "MA",
            "license": "8654",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lisa M. O'Malley, CCC-SLP
• John V O'Neill, M.D.
• Sarah M O'Shea, MD
• Juliette Damali Ochola, D.D.S.
• Jasmine Aliyah Oglesby
• Emily Edea Olszewski
• Oneness Holistic Therapy
• Jamie Lynn Oney, PHARMD
• Lisa Orban
• Origins Wellness Group

• Mental Health Counselor in Westfield, MA
• Providers in Westfield, MA by specialty
• Mental Health Counselor in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 22, 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.