NPPES file of Aug 9, 2026

Karen Larsen, ARNP

Family Nurse Practitioner · Ocala, FL

Karen Larsen, ARNP is a family nurse practitioner with a practice address in Ocala, Florida, and NPI 1154762409, issued on Jul 16, 2013. Check the license (Florida ARNP2944842, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154762409
Name
Karen Larsen
Credential
ARNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
ARNP2944842 FL
Self-reported in NPPES; status is on the state search
Practice location
2516 SW College RD, Ocala, FL 34471
Phone
(352) 368-1330
Enumerated
Jul 16, 2013
Record last updated
Oct 9, 2023
Fax
(352) 237-7728
Medicare enrollment
Enrolled (PECOS I20130820000455); 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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8 nearest family nurse practitioner records → All 22,340 in Florida → Look up another NPI →

Also registered at 2516 SW College RD

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

  1. Sahana Aravind, MDFamily Medicine Physician1730749052
  2. Mimi Balch, M.D.Family Medicine Physician1396811410
  3. Ashley Davis, MDInternal Medicine Physician1710446083
  4. Melissa Formella, ARNPFamily Nurse Practitioner1558871186
  5. Allen Winston, DOFamily Medicine Physician1275571044

Verify Karen Larsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ARNP2944842    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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8.5 times the Medicare Part D claims of the average family nurse practitioner in 2024

11,075 Medicare Part D claims for 759 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 173 claims were for opioids.

  1. Karen Larsen11,075
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium740 claims
  2. Levothyroxine Sodium582 claims
  3. Losartan Potassium369 claims
  4. Amlodipine Besylate354 claims
  5. Lisinopril311 claims
  6. Omeprazole300 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.

Industry payments in 2024: $896.46

27 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Larsen$896.46
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ocala Family Medical Center IncOcala, FL

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

Karen Larsen among 22,340 family nurse practitioner records in Florida

Karen Larsen, ARNP is one of 22,340 family nurse practitioner records with a practice address in Florida. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 15% of them.

  • NPI issued2013 · 15% of these records are older, 83% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated1995 · median 2020 among the 10,790 with a school on file
  • Record last updated2023 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

324 family nurse practitioner records list a practice address in Ocala

They are 324 of the 4,935 NPPES records with a practice address in Ocala, and 22,340 family nurse practitioner records in Florida.

All 22,340 in Florida → Every provider in Ocala → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Herma Baker, APRNOcala, FL 344711770568339
  2. Allison Brewer-Reed, ARNPOcala, FL 344711427038983
  3. Laurel Bryant, FNP-COcala, FL 344711144242694
  4. Debra Cherry-Lederman, ARNPOcala, FL 344711912942186
  5. Debora Donahue, APRNOcala, FL 344711184606709
  6. Myra Downing-Sherman, ARNPOcala, FL 344711497797344
  7. Linda Gitchell, ARNPOcala, FL 344711730169301
  8. Cherry Horton, NPOcala, FL 344711700853389

Common questions

What is Karen Larsen, ARNP's NPI number?

Karen Larsen, ARNP's National Provider Identifier (NPI) is 1154762409, issued on Jul 16, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Karen Larsen, ARNP located?

The NPPES record lists a practice address at 2516 SW College RD, Ocala, FL, 34471. Phone: (352) 368-1330. Providers update this record themselves, so call before visiting.

How can I verify Karen Larsen, ARNP's license?

NPPES lists Florida license number ARNP2944842, 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 Larsen, ARNP prescribe under Medicare Part D?

In 2024, Karen Larsen, ARNP had 11,075 Medicare Part D claims for 759 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.