Gretchen Anne Lamm, LPC, LLP

Primary specialty

CounselorTaxonomy code 101Y00000X

License

6401224092 Issued in MI

Practice address

6548 Town Center Dr Ste D
Clarkston, MI 48346-4823

Phone

(248) 600-5226

NPI assigned

Dec 11, 2019

Last updated

Sep 17, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other names 1

• Gretchen Anne McCormick Former name

Medicare fee-for-service enrollment

Enrolled in MI

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, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Richard Kneip PHD PCGroup PAC ID 4880768415, 243 clinicians

Practice addresses (Care Compare)

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Richard Kneip, PH.D., P.C.

  dba Great Lakes Psychology Group

  • Community/Behavioral Health Agency
  • Clarkston, MI
  • NPI 1679739700

  Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Gretchen Lamm Counseling, PLLC

  • Counselor
  • Kalamazoo, MI
  • NPI 1114874518
  NPD Authorized official

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

{
    "created_epoch": "1576022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789603200000",
    "number": "1841838604",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5582 S 1ST ST",
            "city": "KALAMAZOO",
            "state": "MI",
            "postal_code": "490099429",
            "telephone_number": "269-365-2925"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6548 TOWN CENTER DR STE D",
            "city": "CLARKSTON",
            "state": "MI",
            "postal_code": "483464823",
            "telephone_number": "248-600-5226"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAMM",
        "first_name": "GRETCHEN",
        "middle_name": "ANNE",
        "credential": "LPC, LLP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-12-11",
        "last_updated": "2026-09-17",
        "certification_date": "2026-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": "MI",
            "license": "6401224092",
            "primary": true
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MI",
            "license": "6361000304",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "GRETCHEN",
            "last_name": "MCCORMICK",
            "middle_name": "ANNE",
            "credential": "LPC, LLP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Robert Lagrou, D.O.
• Joseph P Lajoie, D.O.
• Lori A. Lajoie, D.O.
• Lake Orion Counseling Center
• Clifford Laliberte, DPM
• Jeremiah Lang
• Taylor Lang, NBCHWC
• Alexis Lannom, LISW
• Tiffany Marie Laporte, B.S.
• Jared James Lasseigne, D.C.

• Counselor in Clarkston, MI
• Providers in Clarkston, MI by specialty
• Counselor in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 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.