Mark Nickolas

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

7926 Issued in MA

Practice address

23 Brookline St
Lynn, MA 01902-1807

Phone

(617) 501-1083

NPI assigned

Jul 10, 2012

Sex

Male

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

Specialty

Mental Health Counselor

Education

Other, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

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.

• Inner Resources Counseling, PC

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Marblehead, MA
  • NPI 1669079729
  Medicare reassignment NPD Authorized official
• Thrive Counseling LLC

  • Mental Health Counselor
  • Lynchburg, VA
  • NPI 1215181300
  NPD (past)

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

{
    "created_epoch": "1341878400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779408000000",
    "number": "1851656458",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23 BROOKLINE ST",
            "city": "LYNN",
            "state": "MA",
            "postal_code": "019021807",
            "telephone_number": "617-501-1083"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23 BROOKLINE ST",
            "city": "LYNN",
            "state": "MA",
            "postal_code": "019021807",
            "telephone_number": "617-501-1083"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NICKOLAS",
        "first_name": "MARK",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-07-10",
        "last_updated": "2026-05-22",
        "certification_date": "2026-05-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "MA",
            "license": "7926",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tam Thi Minh Nguyen, CNP
• Wilson Khang Nguyen
• Michael D Nichols, DC
• Debra Jean Nicholson, CADC
• James Nicholson, F.N.P.
• Nicole Hicks LLC
• Catherine Mary Nierenberg, MS CCC-SLP
• Angela Nigro
• Linda S Nikolakopoulos, M.S, R.D, L.D.N
• Karina B.M. Nims, D.D.S, D.M.D.

• Mental Health Counselor in Lynn, MA
• Providers in Lynn, 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 May 22, 2026; 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.