Olga M Markumas-Viera, LMHC

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

Practice address

688 White Plains Rd Ste 232
Scarsdale, NY 10583-5015

Phone

(914) 614-4229

NPI assigned

Aug 20, 2020

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 NY

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

Locations

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.

• North Shore-Lij Medical PC

  dba NHPP Cardiology at Great Neck

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572
  Medicare reassignment NPD
• North Shore - Lij Medical PC

  dba NSLIJ Medical In Queens

  • Internal Medicine Physician
  • New Hyde Park, NY
  • NPI 1790043479
  NPD

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

{
    "created_epoch": "1597881600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790208000000",
    "number": "1811509706",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 COLUMBUS AVE STE 200E",
            "city": "VALHALLA",
            "state": "NY",
            "postal_code": "105951392",
            "telephone_number": "914-614-4229"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "688 WHITE PLAINS RD STE 232",
            "city": "SCARSDALE",
            "state": "NY",
            "postal_code": "105835015",
            "telephone_number": "914-614-4229"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARKUMAS-VIERA",
        "first_name": "OLGA",
        "middle_name": "M",
        "credential": "LMHC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-08-20",
        "last_updated": "2026-09-24",
        "certification_date": "2026-09-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michele Marglis
• Marisa Nicole Mariani, PT, DPT
• Rose Marinaccio
• Coreen A Markland, RPH
• Eileen Frank Markowitz, OCCUPATIONAL THERAPI
• Elizabeth Regina Marsh, M.D.
• Anne- Marie Martin, M.D.
• Paige Anne Martin
• John C Marzano, DPM
• Kevin R Mathisson, M.D.

• Mental Health Counselor in Scarsdale, NY
• Providers in Scarsdale, NY by specialty
• Mental Health Counselor in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 24, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.