Isaac Jay Henderson, LPC, CSAC

Primary specialty

Professional CounselorTaxonomy code 101YP2500X

License

5335-226 Issued in WI

Practice address

514 Riverview Ave
Waukesha, WI 53188-3631

Phone

(262) 246-2732

Fax

(414) 246-2524

NPI assigned

Dec 19, 2018

Last updated

Jun 26, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Mental Health Counselor

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Waukesha CountyGroup PAC ID 3971405481, shared by 3 NPIs, 29 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• Waukesha County

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Waukesha, WI
  • NPI 1033243340
  NPD (past)
• Waukesha County

  • Psychiatric Hospital
  • Waukesha, WI
  • NPI 1407988892
  NPD (past)

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

{
    "created_epoch": "1545177600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782432000000",
    "number": "1962974618",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "514 RIVERVIEW AVE",
            "city": "WAUKESHA",
            "state": "WI",
            "postal_code": "531883631",
            "telephone_number": "262-246-2732",
            "fax_number": "414-246-2524"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "514 RIVERVIEW AVE",
            "city": "WAUKESHA",
            "state": "WI",
            "postal_code": "531883631",
            "telephone_number": "262-246-2732",
            "fax_number": "414-246-2524"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HENDERSON",
        "first_name": "ISAAC",
        "middle_name": "JAY",
        "credential": "LPC, CSAC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2018-12-19",
        "last_updated": "2026-06-26",
        "certification_date": "2026-06-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "WI",
            "license": "16416-132",
            "primary": false
        },
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "WI",
            "license": "5335-226",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kathleen Sue Hemauer, M.D.
• James R Hemmens, MSW
• Douglas Hempel, M.D.
• Sharon Hempel, MS, LMFT
• Kristina Hemstead
• Rebecca E Hendrickson, NP
• Brandon Hennig
• Trina L Hennig, BS, RDH
• Kim Marie Henrichs, N.P.
• Karen D Henry, MS, LPC,CSAC

• Professional Counselor in Waukesha, WI
• Providers in Waukesha, WI by specialty
• Professional Counselor in Wisconsin

• 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.