NPPES file of Aug 9, 2026

Kelly Flack, APNP

Nurse Practitioner · Oshkosh, WI

Kelly Flack, APNP is a nurse practitioner with a practice address in Oshkosh, Wisconsin, and NPI 1720601297, issued on May 19, 2020. Check the license (Wisconsin 10176-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720601297
Name
Kelly Flack
Credential
APNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
10176-33 WI
177650-30 WI
Self-reported in NPPES; status is on the state search
Practice location
855 N Westhaven Dr, Oshkosh, WI 54904
Phone
(920) 033-8700
Enumerated
May 19, 2020
Record last updated
Nov 18, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(920) 456-5901
Medicaid ID
100146891 WI
Medicare enrollment
Enrolled (PECOS I20210126000964); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 855 N Westhaven Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rami Abumasmah, MDHematology & Oncology Physician1972779551
  2. Abdulmajid AdamHospitalist Physician1528362258
  3. Awais Ahmed, MDGastroenterology Physician1316213481
  4. Kate Alexander, PA-CPhysician Assistant1700466414
  5. Hussein Alramini, M.D.Hospitalist Physician1497106512
  6. Ammar Alzoubi, MDInternal Medicine Physician1598773152

Verify Kelly Flack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 10176-33
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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68% fewer Medicare Part D claims than the average nurse practitioner in 2024

351 Medicare Part D claims for 98 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 49 claims were for opioids.

  1. Kelly Flack351
  2. Specialty average1,109

Most prescribed

  1. Metoprolol Tartrate62 claims
  2. Oxycodone Hcl41 claims
  3. Atorvastatin Calcium21 claims
  4. Amlodipine Besylate20 claims
  5. Gabapentin20 claims
  6. Amiodarone Hcl18 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Bellin Memorial Hospital IncGreen Bay, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

92 nurse practitioner records list a practice address in Oshkosh

They are 92 of the 1,527 NPPES records with a practice address in Oshkosh, and 3,995 nurse practitioner records in Wisconsin.

Other nurse practitioner records in Wisconsin

  1. Caroline Aaberg, APNPMadison, WI1881384394
  2. Joyce Abbott, APNPOshkosh, WI1003824665
  3. Mohamed Abdelazim, APNPAppleton, WI1760266696
  4. Jacklyn Abel, AGACNP-BCMauston, WI1104631506
  5. Henrietta Abili, APNPGermantown, WI1174859524
  6. Jade Abts, NPGreen Bay, WI1992293708
  7. Karalyn Adam, DNP, RNMarshfield, WI1780933051
  8. Carol Adamczyk, MSNWauwatosa, WI1457502395
  9. Amanda Adams, NPMadison, WI1023366598
  10. Bernadette Adams, FNPWestby, WI1427047620

Common questions

What is Kelly Flack, APNP's NPI number?

Kelly Flack, APNP's National Provider Identifier (NPI) is 1720601297, issued on May 19, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Kelly Flack, APNP located?

The NPPES record lists a practice address at 855 N Westhaven Dr, Oshkosh, WI, 54904. Phone: (920) 033-8700. Providers update this record themselves, so call before visiting.

How can I verify Kelly Flack, APNP's license?

NPPES lists Wisconsin license number 10176-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Kelly Flack, APNP prescribe under Medicare Part D?

In 2024, Kelly Flack, APNP had 351 Medicare Part D claims for 98 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.