KELLY FLACK APNP
NPI 1720601297
Nurse Practitioner in Oshkosh, WI
About Kelly Flack Apnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KELLY FLACK APNP (NPI 1720601297) is an individual nurse practitioner in Oshkosh, Wisconsin, licensed in Wisconsin (10176-33) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, is affiliated with Bellin Memorial Hospital, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 3
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
Kelly Flack Apnp 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 Reassignment
Medicare enrollment records show Kelly Flack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brillion, WI 54110
- Reassigned Medicare billing, Wisconsin enrollment
- 875 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
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.
Bellin Memorial Hospital
Acute Care Hospitals · Green Bay, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54904 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.
OSHKOSH, WI 54904
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 Kelly Flack's NPI number?
The NPI number for Kelly Flack is 1720601297. It was assigned to this individual provider in the NPPES registry on May 19, 2020.
Where is Kelly Flack located?
Kelly Flack practices at 855 N Westhaven Dr, Oshkosh, WI 54904. The listed phone number is (920) 033-8700.
What is Kelly Flack's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Kelly Flack enrolled in Medicare?
Yes. Kelly Flack 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 Kelly Flack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelly Flack reassigns Medicare benefits to Bellin Memorial Hospital Inc (Brillion, 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 Kelly Flack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kelly Flack accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and UnitedHealthcare list Kelly Flack 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 Kelly Flack affiliated with any hospitals?
According to CMS data, Kelly Flack is affiliated with Bellin Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Kelly Flack was last updated on November 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Kelly Flack, APNP · NPI 1720601297
Nurse Practitioner physician in Oshkosh, Wisconsin. Individual provider, active in the CMS NPPES registry since May 19, 2020.
## Identity
- **NPI:** 1720601297 (Entity type: Individual)
- **Enumerated:** May 19, 2020
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 10176-33 (Wisconsin)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 855 N WESTHAVEN DR, Oshkosh, WI 54904-7668
- **Phone:** (920) 033-8700 · **Fax:** (920) 456-5901
## 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:** Bellin Memorial Hospital Inc (NPI 1962464784, Brillion, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** November 18, 2021
- **Other identifiers:** Other 10176-33 (WI); Medicaid 100146891 (WI); Other 177650-30 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1720601297) · Data from the CMS NPPES public registry.