Isthmus Wellness LLC

Primary specialty

AcupuncturistTaxonomy code 171100000X

Legal business name

ISTHMUS WELLNESS LLC

Practice address

970 N Gammon Rd
Madison, WI 53717-1181

Phone

(608) 441-9355

NPI assigned

Mar 7, 2026

Organization subpart

No

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

Authorized official

Name

Tracy Hammerstrom, LACNPI 1215447024

Title

Co-Owner

Phone

(262) 745-0712

Specialties & licenses 2

Addresses

Locations

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Tracy Hammerstrom, C.AC.

  • Acupuncturist
  • Madison, WI
  • NPI 1215447024
  NPD Authorized official
• Jill Shannon Wall, CA

  • Acupuncturist
  • Prairie Du Sac, WI
  • NPI 1649962432
  NPD (past)

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

{
    "created_epoch": "1772841600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772841600000",
    "number": "1619823192",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "970 N GAMMON RD",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537171181",
            "telephone_number": "608-441-9355"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "970 N GAMMON RD",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537171181",
            "telephone_number": "608-441-9355"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "432 Water St",
            "address_purpose": "LOCATION",
            "city": "Prairie Du Sac",
            "state": "WI",
            "postal_code": "535781127",
            "country_code": "US",
            "telephone_number": "608-441-9355",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "ISTHMUS WELLNESS LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-03-07",
        "last_updated": "2026-03-07",
        "certification_date": "2026-03-07",
        "status": "A",
        "authorized_official_last_name": "HAMMERSTROM",
        "authorized_official_first_name": "TRACY",
        "authorized_official_title_or_position": "CO-OWNER",
        "authorized_official_telephone_number": "262-745-0712",
        "authorized_official_credential": "LAC"
    },
    "taxonomies": [
        {
            "code": "171100000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Acupuncturist",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "225700000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Massage Therapist",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Isthmus Dental, LTD
• Isthmus Express LLC
• Isthmus Family Dental LLC
• Isthmus Montessori Academy, Inc.
• Isthmus Psychotherapy
• Michael Istvanek, MD, MPH
• Muhammad M Itani, M.D.
• Maureen M Ivers, NP
• Penny Sue Iverson-Ammeraal, O.D.
• Alexandra Iverson, MS MFT

• Acupuncturist in Madison, WI
• Providers in Madison, WI by specialty
• Acupuncturist in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 7, 2026; 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.