Individual provider Active NPI

Merrick Larson

  • Mental Health Counselor
  • Rochester, NY
National Provider Identifier
1518722966
Registry record updated Sep 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
Practice address
100 Pinewild Dr Ste 2a
Rochester, NY 14606-4200
Phone
(585) 368-6700
Fax
(585) 368-6767
NPI assigned
Feb 15, 2024
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X NY Primary

Addresses

Primary practice location

100 Pinewild Dr Ste 2a
Rochester, NY 14606-4200

Mailing address

100 Pinewild Dr Ste 2a
Rochester, NY 14606-4200
Phone (585) 368-6700

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Delphi Drug & Alcohol Council PastSince Feb 1, 2024 Accepting new patients
Delphi Drug & Alcohol Council, Inc Rehabilitation, Substance Use Disorder PastSince Feb 1, 2024 Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1707955200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757462400000",
    "number": "1518722966",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 PINEWILD DR STE 2A",
            "city": "ROCHESTER",
            "state": "NY",
            "postal_code": "146064200",
            "telephone_number": "585-368-6700",
            "fax_number": "585-368-6767"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 PINEWILD DR STE 2A",
            "city": "ROCHESTER",
            "state": "NY",
            "postal_code": "146064200",
            "telephone_number": "585-368-6700",
            "fax_number": "585-368-6767"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LARSON",
        "first_name": "MERRICK",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-02-15",
        "last_updated": "2025-09-10",
        "certification_date": "2025-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "NY",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rochester, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.