DR. KENNETH V OSTERMANN M.D.
NPI 1851386213
Obstetrics & Gynecology in Beaver Dam, WI
About Dr. Kenneth V Ostermann M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KENNETH V OSTERMANN M.D. (NPI 1851386213) is an individual obstetrics & gynecology provider in Beaver Dam, Wisconsin, licensed in Wisconsin (36431) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Columbus Community Hospital, and is a graduate of Hahnemann University College Of Medicine (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted 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. Kenneth V Ostermann M.d. 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.
Medicare Billing Reassignments
7Medicare enrollment records show Kenneth Ostermann reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Beaver Dam, WI 53916
- Reassigned Medicare billing, Wisconsin enrollment
- 1,447 clinicians in this Medicare group
Beaver Dam, WI 53916
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1154403657 (Wisconsin)
- 115 clinicians in this Medicare group
Plover, WI 54467
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1952890873 (Wisconsin)
- 2,476 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Neillsville, WI 54456
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1346239373 (Wisconsin)
- 1,283 clinicians in this Medicare group
Park Falls, WI 54552
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1700963048 (Wisconsin)
- 1,351 clinicians in this Medicare group
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 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.
Areas of Expertise CMS Part B claims 4
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Columbus Community Hospital
Critical Access Hospitals · Columbus, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53916 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
BEAVER DAM, WI 53916
BEAVER DAM, WI 53916
BEAVER DAM, WI 53916
BEAVER DAM, WI 53916
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 Kenneth Ostermann's NPI number?
The NPI number for Kenneth Ostermann is 1851386213. It was assigned to this individual provider in the NPPES registry on September 13, 2005.
Where is Kenneth Ostermann located?
Kenneth Ostermann practices at 705 S University Ave Suite 300, Beaver Dam, WI 53916. The listed phone number is (920) 885-6090.
What is Kenneth Ostermann's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Kenneth Ostermann enrolled in Medicare?
Yes. Kenneth Ostermann 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 organizations bill Medicare for Kenneth Ostermann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kenneth Ostermann reassigns Medicare benefits to 7 organizations: Beaver Dam Community Hospitals, Inc (Beaver Dam, WI), Prairie Ridge Health, Inc. (Beaver Dam, WI), Mchs Hospitals, Inc. (Plover, WI), Marshfield Clinic Inc (Marshfield, WI), Memorial Hospital, Inc (Neillsville, WI) and 2 more organizations, listed in the Medicare section above. 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 Kenneth Ostermann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kenneth Ostermann accept?
Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, HealthPartners, Quartz and Security Health Plan list Kenneth 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.
Is Kenneth Ostermann affiliated with any hospitals?
According to CMS data, Kenneth Ostermann is affiliated with Columbus Community Hospital.
When was this NPI record last updated?
The NPPES record for Kenneth Ostermann was last updated on November 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Kenneth V Ostermann, M.D. · NPI 1851386213
Obstetrics & Gynecology physician in Beaver Dam, Wisconsin. Individual provider, active in the CMS NPPES registry since September 13, 2005.
## Identity
- **NPI:** 1851386213 (Entity type: Individual)
- **Enumerated:** September 13, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 36431 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 705 S UNIVERSITY AVE, SUITE 300, Beaver Dam, WI 53916-3053
- **Phone:** (920) 885-6090 · **Fax:** (920) 885-6092
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Beaver Dam Community Hospitals, Inc (NPI 1023310034, Beaver Dam, WI); Prairie Ridge Health, Inc. (NPI 1093137416, Beaver Dam, WI); Mchs Hospitals, Inc. (NPI 1386249894, Plover, WI); Marshfield Clinic Inc (NPI 1952347981, Marshfield, WI); Memorial Hospital, Inc (NPI 1679746747, Neillsville, WI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Hahnemann University College Of Medicine, class of 1987
## Record status
- **NPPES last updated:** November 17, 2022
- **Other identifiers:** Medicaid 32121200 (WI)
---
Source: [NPI Profile](https://npiprofile.com/npi/1851386213) · Data from the CMS NPPES public registry.