Individual provider Active NPI

Katrina A Brock, LMSW

  • Clinical Social Worker
  • Bad Axe, MI
National Provider Identifier
1285819532
Registry record updated Jul 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
6801082828 Issued in MI
Practice address
110 E Huron Ave
Bad Axe, MI 48413-1312
Phone
(989) 975-6696
Fax
(800) 878-4243
NPI assigned
Jan 7, 2008
Last updated
Jul 14, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 14, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X C-00662 MI
Social Worker 104100000X 6801082828 MI
Clinical Social Worker 1041C0700X 6801082828 MI Primary

Addresses

Primary practice location

110 E Huron Ave
Bad Axe, MI 48413-1312

Mailing address

443 N State St
Caro, MI 48723-1539
Phone (989) 672-6160

Other practice location 1

624 W Nepessing St
Lapeer, MI 48446-2090
Phone (810) 667-4500

Other practice location 2

651 N State St
Caro, MI 48723-1584
Phone (989) 673-5700

Other practice location 3

126 Washington Ave
Bay City, MI 48708-5846
Phone (989) 684-7977

Other practice location 4

33 W Sanilac Rd
Sandusky, MI 48471-1036
Phone (810) 648-0668

Other practice location 5

467 N State St
Caro, MI 48723-1539
Phone (989) 672-2016

Other practice location 6

5024 N Center Rd
Saginaw, MI 48604-9412
Phone (989) 790-3130

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20090702000477 MI Practitioner - Clinical Social Worker 8224189212 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
List Psychological Services, PLCGroup PAC ID 6709799323, 28 clinicians

Practice addresses (Care Compare)

651 N State St
Caro, MI 48723-1584
Phone (989) 673-5700

Merit-based Incentive Payment System (MIPS)

Final score
41.32 of 100Reported as group
Quality
20
Improvement activities
0
Cost
84.4

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
C-00662MIMDAddiction (Substance Use Disorder) Counselor
6801082828MIMDSocial Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Hills & Dales General Hospital, Inc. CurrentSince Jan 1, 2025 Accepting new patients
List Psychological Services, PLC Addiction (Substance Use Disorder) CurrentSince Apr 24, 2009 Accepting new patients
Marlette Regional Hospital CurrentSince Jan 1, 2025 Accepting new patients
Hills & Dales General Hospital, Inc. CurrentSince Jan 1, 2025 Accepting new patients

Locations

126 Washington Ave
Bay City, MI 48708
Phone (989) 684-7977

1048 E Caro Rd
Caro, MI 48723
Phone (989) 672-1399

130 Millwood St
Caro, MI 48723
Phone (989) 672-1555

443 N State St
Caro, MI 48723
Phone (989) 672-6160

651 N State St
Caro, MI 48723
Phone (989) 672-6160

4675 Hill St
Cass City, MI 48726
Phone (989) 872-2121

6230 Hospital Dr
Cass City, MI 48726
Phone (989) 872-1555

2770 Main St
Marlette, MI 48453
Phone (989) 635-4000

5024 N Center Rd
Saginaw, MI 48604
Phone (989) 672-6160

Interoperability endpoints

  • Direct secure messaging: listpsychologicalservices.katrinabrock@130916.advancedmd-direct.com

Organizations & group practices 8

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.

NPI Registry JSON

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

{
    "created_epoch": "1199664000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783987200000",
    "number": "1285819532",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "443 N STATE ST",
            "city": "CARO",
            "state": "MI",
            "postal_code": "487231539",
            "telephone_number": "989-672-6160",
            "fax_number": "800-211-3421"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 E HURON AVE",
            "city": "BAD AXE",
            "state": "MI",
            "postal_code": "484131312",
            "telephone_number": "989-975-6696",
            "fax_number": "800-878-4243"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "624 W Nepessing St",
            "address_purpose": "LOCATION",
            "city": "Lapeer",
            "state": "MI",
            "postal_code": "484462090",
            "country_code": "US",
            "telephone_number": "810-667-4500",
            "fax_number": "800-701-9817",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "651 N State St",
            "address_purpose": "LOCATION",
            "city": "Caro",
            "state": "MI",
            "postal_code": "487231584",
            "country_code": "US",
            "telephone_number": "989-673-5700",
            "fax_number": "800-305-0193",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "126 Washington Ave",
            "address_purpose": "LOCATION",
            "city": "Bay City",
            "state": "MI",
            "postal_code": "487085846",
            "country_code": "US",
            "telephone_number": "989-684-7977",
            "fax_number": "800-235-1797",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "33 W Sanilac Rd",
            "address_purpose": "LOCATION",
            "city": "Sandusky",
            "state": "MI",
            "postal_code": "484711036",
            "country_code": "US",
            "telephone_number": "810-648-0668",
            "fax_number": "800-701-9817",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "467 N State St",
            "address_purpose": "LOCATION",
            "city": "Caro",
            "state": "MI",
            "postal_code": "487231539",
            "country_code": "US",
            "telephone_number": "989-672-2016",
            "fax_number": "800-305-0193",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5024 N Center Rd",
            "address_purpose": "LOCATION",
            "city": "Saginaw",
            "state": "MI",
            "postal_code": "486049412",
            "country_code": "US",
            "telephone_number": "989-790-3130",
            "fax_number": "800-246-0738",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BROCK",
        "first_name": "KATRINA",
        "middle_name": "A",
        "name_prefix": "Ms.",
        "credential": "LMSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-01-07",
        "last_updated": "2026-07-14",
        "certification_date": "2026-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "MI",
            "license": "C-00662",
            "primary": false
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "MI",
            "license": "6801082828",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MI",
            "license": "6801082828",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bad Axe, MI

Sources for this page

Verify at the official NPI Registry.