Brook A Kritzstein, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

LCSW-23855 Issued in AZ

Practice address

2120 W Guadalupe Rd Ste 6
Mesa, AZ 85202-7366

Phone

(602) 230-7373

Fax

(480) 629-8577

NPI assigned

Sep 21, 2023

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Specialty

Clinical Social Worker

Education

Other, 1999

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1695254400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782432000000",
    "number": "1689453466",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3101 N CENTRAL AVE STE 550",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850122635",
            "telephone_number": "602-230-7373",
            "fax_number": "602-230-5105"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2120 W GUADALUPE RD STE 6",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852027366",
            "telephone_number": "602-230-7373",
            "fax_number": "480-629-8577"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KRITZSTEIN",
        "first_name": "BROOK",
        "middle_name": "A",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-09-21",
        "last_updated": "2026-06-26",
        "certification_date": "2026-06-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "AZ",
            "license": "LCSW-23855",
            "primary": true
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "AZ",
            "license": "LMSW-21763",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Keith Krein, MD
• Kris Eldridge, LPC
• Amy Nicole Kriser
• Prashant Vasanth Krishnan, M.D.
• Lara Catherine Kristof, MA, CCC-SLP
• Kelly Michele Krivulka, ATC
• Christina Isabele Krize, CPM, LM
• Brenda Kronborg, D.O.
• Daniel Jayson Kronemeyer
• Adam M. Kruczay, DPM

• Clinical Social Worker in Mesa, AZ
• Providers in Mesa, AZ by specialty
• Clinical Social Worker in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 26, 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.