NPPES file of Aug 9, 2026

Jena Marie Flak, APRN

Nurse Practitioner · La Crosse, WI

Jena Marie Flak, APRN is a nurse practitioner with a practice address in La Crosse, Wisconsin, and NPI 1982293726, issued on Jan 15, 2021. Check the license (Wisconsin 10662, 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
1982293726
Name
Jena Marie Flak
Credential
APRN
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
10662 WI
A158411 IA
7308 MN
Self-reported in NPPES; status is on the state search
Practice location
700 West Ave S, La Crosse, WI 54601
Phone
(608) 785-0940
Enumerated
Jan 15, 2021
Record last updated
Feb 9, 2024
Medicare enrollment
Enrolled (PECOS I20210312001068); accepts Medicare assignment
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 700 West Ave S

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

  1. Melissa Adelsen, OTR/L,CBISOccupational Therapist1114603362
  2. Chelsea Ale, PHDClinical Psychologist1831452069
  3. Alice Bachop, FNPNurse Practitioner1164400503
  4. Gabriela Balf, MD, MPHPsychiatry Physician1124024724
  5. Marisa Baorto, MDAnesthesiology Physician1588647291
  6. Marsha Bateman, PTPhysical Therapist1578547279

Verify Jena Marie Flak 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 10662
    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

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2.2 times the Medicare Part D claims of the average nurse practitioner in 2024

2,476 Medicare Part D claims for 443 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 87 claims were for opioids.

  1. Jena Flak2,476
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium146 claims
  2. Lisinopril121 claims
  3. Amlodipine Besylate113 claims
  4. Metoprolol Succinate99 claims
  5. Levothyroxine Sodium92 claims
  6. Losartan Potassium88 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. Winneshiek Medical CenterWest Union, IA

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

65 nurse practitioner records list a practice address in La Crosse

They are 65 of the 3,735 NPPES records with a practice address in La Crosse, 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 Jena Marie Flak, APRN's NPI number?

Jena Marie Flak, APRN's National Provider Identifier (NPI) is 1982293726, issued on Jan 15, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Jena Marie Flak, APRN located?

The NPPES record lists a practice address at 700 West Ave S, La Crosse, WI, 54601. Phone: (608) 785-0940. Providers update this record themselves, so call before visiting.

How can I verify Jena Marie Flak, APRN's license?

NPPES lists Wisconsin license number 10662, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Jena Marie Flak, APRN prescribe under Medicare Part D?

In 2024, Jena Marie Flak, APRN had 2,476 Medicare Part D claims for 443 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.