Individual provider Active NPI

Janet Marie Williams, LLP, LPC

  • Psychologist
  • Whitehall, MI
National Provider Identifier
1578960449
Registry record updated Nov 20, 2014
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
6301013669 Issued in MI
Practice address
516 E Colby St
Whitehall, MI 49461-1104
Phone
(231) 893-8336
NPI assigned
Nov 20, 2014
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 20, 2014

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Professional Counselor 101YP2500X 6401010505 MI
Psychologist 103T00000X 6301013669 MI Primary
Addiction (Substance Use Disorder) Psychologist 103TA0400X 1-04794 MI

Addresses

Primary practice location

516 E Colby St
Whitehall, MI 49461-1104

Mailing address

1495 S Wolf Lake Rd
Muskegon, MI 49442-4837
Phone (231) 903-7775

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Opted out of Medicare
Yes, effective Dec 6, 2024 through Dec 6, 2026

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
6401010505MIMDProfessional Counselor
6301013669MIMDPsychologist
1-04794MIMDAddiction (Substance Use Disorder) Psychologist

Practice roles

OrganizationSpecialtyStatusNew patients
Healing Streams Counseling and Consultation Services Psychologist CurrentSince Dec 5, 2021 Accepting new patients
Cornerstone Counseling and Consultation Services PastSince Aug 24, 2025 Accepting new patients

Locations

2735 E Apple Ave
Ste 7
Muskegon, MI 49442
Phone (231) 286-9422

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": "1416441600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1416441600000",
    "number": "1578960449",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1495 S WOLF LAKE RD",
            "city": "MUSKEGON",
            "state": "MI",
            "postal_code": "494424837",
            "telephone_number": "231-903-7775"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "516 E COLBY ST",
            "city": "WHITEHALL",
            "state": "MI",
            "postal_code": "494611104",
            "telephone_number": "231-893-8336"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "JANET",
        "middle_name": "MARIE",
        "credential": "LLP, LPC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2014-11-20",
        "last_updated": "2014-11-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "MI",
            "license": "6401010505",
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MI",
            "license": "6301013669",
            "primary": true
        },
        {
            "code": "103TA0400X",
            "taxonomy_group": "",
            "desc": "Psychologist, Addiction (Substance Use Disorder)",
            "state": "MI",
            "license": "1-04794",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Whitehall, MI

Sources for this page

Verify at the official NPI Registry.