1. Home
  2. Directory
  3. Wisconsin
  4. Oshkosh
  5. Chiropractor
  6. NPI Profile

DR. JENNIFER JOY GELHAR DC
NPI 1891728374
Chiropractor in Oshkosh, WI

Active since July 08, 2006Accepts Medicare Assignment
155 N SAWYER ST, OSHKOSH, WI 54902(920) 230-7600(920) 230-7603 Get Directions Write a Review

NPPES record last updated: July 30, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Jennifer Joy Gelhar Dc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JENNIFER JOY GELHAR DC (NPI 1891728374) is an individual chiropractor in Oshkosh, Wisconsin, licensed in Wisconsin (4026-012) and active in the NPI registry since July 2006. She is a graduate of Palmer College Chiropractic - Davenport (2003).

NPPES Registry Identity

NPI1891728374
Entity TypeIndividualFemale
Primary Taxonomy111N00000X
Provider Legal NameDR. JENNIFER JOY GELHARCredential: DC
Location Address155 N SAWYER STOshkosh, WI 54902-5674
Mailing Address155 N Sawyer StOshkosh, WI 54902-5674 · (920) 230-7600 · Fax (920) 230-7603
Phone(920) 230-7600
Fax(920) 230-7603
Sole ProprietorNo
Medical School CMSPalmer College Chiropractic - DavenportGraduated 2003
Enumeration DateJuly 8, 2006
Last NPPES UpdateJuly 30, 2025
NPPES CertifiedJuly 30, 2025
✔ NPI 1891728374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in WI · 4026-012
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
155 N SAWYER ST, Oshkosh, WI 54902
Open in Google Maps ↗

Other Names 1

Former Name (1)Ms. Jennifer Joy Alt Dc

Other Identifiers 1

Medicaid38952200WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Dean Health Plan, HealthPartners and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jennifer Joy Gelhar Dc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012997794
PECOS Enrollment IDI20040722001159

Medicare Billing Reassignment

Medicare enrollment records show Jennifer Gelhar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Fosso Gelhar Chiropractors Of The Fox Valley
Same address
Chiropractor
155 N SAWYER ST
Oshkosh, WI 54902
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2 clinicians in this Medicare group
NPI 1467755801 (920) 230-7600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chiropractic manipulative treatment, 1-2 spinal regions 98940
Chiropractic manipulative treatment focuses on adjusting your spine to improve your body's physical function. In this service, a chiropractor applies controlled force to 1-2 spinal regions. This helps to restore mobility and alleviate discomfort in those areas.
319 services32 patients
Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
175 services18 patients

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SHELDA SUE FOSSO DC
Chiropractor
155 N SAWYER ST
OSHKOSH, WI 54902
Winnebago County (920) 230-7600
MISS HEATHER ANNE NICHOLSON C.A, M.AC, DIPL.AC.
Acupuncturist
155 N SAWYER ST
OSHKOSH, WI 54902
Winnebago County (920) 410-9233
FOSSO GELHAR CHIROPRACTORS OF THE FOX VALLEY
Chiropractor
155 N SAWYER ST
OSHKOSH, WI 54902
Winnebago County (920) 230-7600
ALLEN BEE DEATON DDS
Dentist (General Practice)
155 N SAWYER ST
OSHKOSH, WI 54902
Winnebago County (920) 231-5780

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jennifer Gelhar's NPI number?

The NPI number for Jennifer Gelhar is 1891728374. It was assigned to this individual provider in the NPPES registry on July 8, 2006. The provider is also known as Ms. Jennifer Joy Alt Dc.

Where is Jennifer Gelhar located?

Jennifer Gelhar practices at 155 N Sawyer St, Oshkosh, WI 54902. The listed phone number is (920) 230-7600.

What is Jennifer Gelhar's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Jennifer Gelhar enrolled in Medicare?

Yes. Jennifer Gelhar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Jennifer Gelhar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Gelhar reassigns Medicare benefits to Fosso Gelhar Chiropractors Of The Fox Valley (Oshkosh, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jennifer Gelhar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Gelhar accept?

Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, HealthPartners, Network Health and Providence Health Plan and 2 other insurers list Jennifer Gelhar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jennifer Gelhar was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.