Active NPI
Jennifer Joy Gelhar, DC
- Chiropractor
- Oshkosh, WI
National Provider Identifier
1891728374
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Chiropractor
- License
- 4026-012
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 38952200 | Medicaid | WI |
Other names 1
- Ms. Jennifer Joy Alt
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WI
Enrollment records 1
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
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
| License | State | Type | Specialty |
|---|---|---|---|
| 4026-012 | WI | MD | Chiropractor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Fosso Gelhar Chiropractors of the Fox Valley | Chiropractor | Current | 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.
-
- Chiropractor
- Oshkosh, WI
- NPI 1467755801
-
- Chiropractor
- Oshkosh, WI
- NPI 1982829735
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.