Sigrid Crowel, MS, LLP

Primary specialty

PsychologistTaxonomy code 103T00000X

License

6361007811 Issued in MI

Practice address

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

Phone

(517) 240-0802

NPI assigned

Jan 15, 2020

Last updated

Dec 2, 2025By the provider in NPPES

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Science

State licenses

Practice roles

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.

• Crowel

  • Psychologist
  • Marquette, MI
  • NPI 1992587075
  NPD (past)
• Richard Kneip, PH.D., P.C.

  dba Great Lakes Psychology Group

  • Community/Behavioral Health Agency
  • Clarkston, MI
  • NPI 1679739700
  NPD (past)

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

{
    "created_epoch": "1579046400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764633600000",
    "number": "1326688565",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6548 TOWN CENTER DR STE D",
            "city": "CLARKSTON",
            "state": "MI",
            "postal_code": "483464823",
            "telephone_number": "517-240-0802"
        },
        {
            "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": "517-240-0802"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "100 Coles Dr Ste 5",
            "address_purpose": "LOCATION",
            "city": "Marquette",
            "state": "MI",
            "postal_code": "498554010",
            "country_code": "US",
            "telephone_number": "906-362-3444",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CROWEL",
        "first_name": "SIGRID",
        "credential": "MS, LLP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-01-15",
        "last_updated": "2025-12-02",
        "certification_date": "2025-12-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MI",
            "license": "6361007811",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "sigrid.crowel@accesspsych.net",
            "affiliation": "N",
            "endpointDescription": "Secure Work Email",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Secure Email",
            "address_1": "102 W Washington St Ste 106",
            "city": "Marquette",
            "state": "MI",
            "country_code": "US",
            "postal_code": "498554350",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• John Stephen Cowan, DC
• Savannah Margaret Cox
• Mackenzie Michael Crandall, LLPC, MA, TLLP
• Cynthia Ann Crandell, R.N., C.N.
• Jace Alexander Crouch, BEHAVIOR TECHNICIAN
• Leslie J Cruikshank, PT
• Jesus Cruz-Navarro, LLMSW
• Alexandra Nicole Csizmadia
• Sarah Cubr, DPT
• Emma Plum Cunningham

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 2, 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.