NPPES file of Aug 9, 2026

Karen Dawn Zak, APRN

Nurse Practitioner · Gainesville, FL

Karen Dawn Zak, APRN is a nurse practitioner with a practice address in Gainesville, Florida, and NPI 1477047405, issued on Jun 22, 2018. Check the license (Florida APRN9263860, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477047405
Name
Karen Dawn Zak
Credential
APRN
Primary taxonomy
Nurse Practitioner 363L00000X
License number
APRN9263860 FL
Self-reported in NPPES; status is on the state search
Practice location
4001 SW 13TH St, Gainesville, FL 32608
Phone
(352) 265-4372
Enumerated
Jun 22, 2018
Record last updated
Feb 10, 2022
Fax
(352) 392-8217
Medicare enrollment
Enrolled (PECOS I20180920000811); 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 4001 SW 13TH St

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

  1. Kristin Hamlet, PH.D.Clinical Psychologist1740716885
  2. Jason Hunt, M.D.Addiction Medicine (Psychiatry & Neurology) Physician1073575387
  3. Jorelle Laakso, M.S.Mental Health Counselor1154723765
  4. Bruce McFarland, MDAddiction Medicine (Psychiatry & Neurology) Physician1275974941
  5. Jorge Mulet PerezPsychiatric/Mental Health Nurse Practitioner1215777446
  6. Frederick Ramirez, M.S.W.Social Worker1952483208

Verify Karen Dawn Zak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license APRN9263860
    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
Open the Florida 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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97% fewer Medicare Part D claims than the average nurse practitioner in 2024

38 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Karen Zak38
  2. Specialty average1,109

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 78.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score72.5
  2. Costout of 100 · 30%54.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Florida Clinical Practice Association IncGainesville, FL

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

Karen Dawn Zak among 8,844 nurse practitioner records in Florida

Karen Dawn Zak, APRN is one of 8,844 nurse practitioner records with a practice address in Florida. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 48% of them.

  • NPI issued2018 · 48% of these records are older, 46% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2015 · median 2018 among the 4,492 with a school on file
  • Record last updated2022 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

314 nurse practitioner records list a practice address in Gainesville

They are 314 of the 14,407 NPPES records with a practice address in Gainesville, and 8,844 nurse practitioner records in Florida.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Michelle Barnas, ARNPGainesville, FL 326081477803989
  2. Laura Brezinski, APRNGainesville, FL 326081477706430
  3. Nichole Clarke, ARNPGainesville, FL 326081578830295
  4. Linda Cowan, MSN, ARNP, CWSGainesville, FL 326081689886707
  5. Raymond Duckworth, CRNPGainesville, FL 326081073697983
  6. Linina GreeneGainesville, FL 326081801266416
  7. Dorothy Griggs, NPGainesville, FL 326081528169919
  8. Gillian Johnson, ARNPGainesville, FL 326081538579115

Common questions

What is Karen Dawn Zak, APRN's NPI number?

Karen Dawn Zak, APRN's National Provider Identifier (NPI) is 1477047405, issued on Jun 22, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Karen Dawn Zak, APRN located?

The NPPES record lists a practice address at 4001 SW 13TH St, Gainesville, FL, 32608. Phone: (352) 265-4372. Providers update this record themselves, so call before visiting.

How can I verify Karen Dawn Zak, APRN's license?

NPPES lists Florida license number APRN9263860, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Karen Dawn Zak, APRN prescribe under Medicare Part D?

In 2024, Karen Dawn Zak, APRN had 38 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Karen Dawn Zak, APRN's MIPS final score?

The 2023 MIPS final score is 78.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.