MISS KELLI OSTERMANN MD
NPI 1801973979
Pediatrics in Winona, MN
About Miss Kelli Ostermann Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MISS KELLI OSTERMANN MD (NPI 1801973979) is an individual pediatrics provider in Winona, Minnesota, licensed in South Dakota (5507) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Miss Kelli Ostermann Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Kelli Ostermann reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Winona, MN 55987
- Reassigned Medicare billing, Minnesota enrollment
- 330 clinicians in this Medicare group
New Richmond, WI 54017
- Reassigned Medicare billing, Wisconsin enrollment
- 357 clinicians in this Medicare group
Glendale, WI 53212
- Reassigned Medicare billing, Wisconsin enrollment
- 1,343 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55987 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WINONA, MN 55987
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 Kelli Ostermann's NPI number?
The NPI number for Kelli Ostermann is 1801973979. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is Kelli Ostermann located?
Kelli Ostermann practices at 855 Mankato Ave, Winona, MN 55987. The listed phone number is (507) 454-3680.
What is Kelli Ostermann's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Kelli Ostermann enrolled in Medicare?
Yes. Kelli Ostermann is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Kelli Ostermann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelli Ostermann reassigns Medicare benefits to 3 organizations: Winona Health Services (Winona, MN), Westfields Hospital, Inc. (New Richmond, WI) and Ascension Medical Group-Southeast Wisconsin Inc (Glendale, WI). Each 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 Kelli Ostermann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kelli Ostermann accept?
Health plans from Quartz and Security Health Plan list Kelli Ostermann 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 Kelli Ostermann was last updated on December 11, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.
# Miss Kelli Ostermann, MD · NPI 1801973979
Pediatrics physician in Winona, Minnesota. Individual provider, active in the CMS NPPES registry since November 1, 2006.
## Identity
- **NPI:** 1801973979 (Entity type: Individual)
- **Enumerated:** November 1, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 5507 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 855 MANKATO AVE, Winona, MN 55987-4868
- **Phone:** (507) 454-3680
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Winona Health Services (NPI 1295789352, Winona, MN); Westfields Hospital, Inc. (NPI 1881640183, New Richmond, WI); Ascension Medical Group-Southeast Wisconsin Inc (NPI 1609881077, Glendale, WI) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 11, 2015
- **Other identifiers:** Medicare UPIN H28060; Medicaid 6761770 (SD)
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Source: [NPI Profile](https://npiprofile.com/npi/1801973979) · Data from the CMS NPPES public registry.