Individual provider Active NPI

Jennifer Joy Gelhar, DC

  • Chiropractor
  • Oshkosh, WI
National Provider Identifier
1891728374
Registry record updated Jul 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
ChiropractorTaxonomy code 111N00000X
License
4026-012 Issued in WI
Practice address
155 N Sawyer St
Oshkosh, WI 54902-5674
Phone
(920) 230-7600
Fax
(920) 230-7603
NPI assigned
Jul 8, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 30, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Chiropractor 111N00000X 4026-012 WI Primary

Addresses

Primary practice location

155 N Sawyer St
Oshkosh, WI 54902-5674

Mailing address

155 N Sawyer St
Oshkosh, WI 54902-5674
Phone (920) 230-7600

Other identifiers 1

IdentifierTypeStateIssuer
38952200MedicaidWI

Other names 1

  • Ms. Jennifer Joy Alt Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040722001159 WI Practitioner - Chiropractic 7012997794 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Chiropractic
Education
Palmer College Chiropractic - Davenport, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Fosso Gelhar Chiropractors of the Fox ValleyGroup PAC ID 4385828409, 2 clinicians

Practice addresses (Care Compare)

155 N Sawyer St
Oshkosh, WI 54902-5674
Phone (920) 230-7600

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
4026-012WIMDChiropractor

Practice roles

OrganizationSpecialtyStatusNew patients
Fosso Gelhar Chiropractors of the Fox Valley Chiropractor CurrentSince Jan 1, 2011 Accepting new patients
Belville Fletcher Chiropractic Office SC Chiropractor Past Accepting new patients

Locations

155 N Sawyer St
Oshkosh, WI 54902
Phone (920) 230-7600

5111A Green Valley Rd
Oshkosh, WI 54904

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1152316800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753833600000",
    "number": "1891728374",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "155 N SAWYER ST",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549025674",
            "telephone_number": "920-230-7600",
            "fax_number": "920-230-7603"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "155 N SAWYER ST",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549025674",
            "telephone_number": "920-230-7600",
            "fax_number": "920-230-7603"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GELHAR",
        "first_name": "JENNIFER",
        "middle_name": "JOY",
        "name_prefix": "Dr.",
        "credential": "DC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-08",
        "last_updated": "2025-07-30",
        "certification_date": "2025-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "WI",
            "license": "4026-012",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "38952200",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "JENNIFER",
            "last_name": "ALT",
            "middle_name": "JOY",
            "prefix": "MS.",
            "credential": "DC",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Oshkosh, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.