NPPES file of Aug 9, 2026

Michele Lynn Horwitz, NP

Nurse Practitioner · Ventura, CA

Michele Lynn Horwitz, NP is a nurse practitioner with a practice address in Ventura, California, and NPI 1053535724, issued on Apr 12, 2007. Check the license (California NP11740, as entered in NPPES) with the California 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053535724
Name
Michele Lynn Horwitz
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
NP11740 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Hillmont Avenue, Bldg. 340, Suite 101, Ventura, CA 93003
Phone
(805) 652-6500
Enumerated
Apr 12, 2007
Record last updated
Jun 3, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Michele Lynn Horwitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license NP11740
    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 California license search

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98% fewer Medicare Part D claims than the average nurse practitioner in 2024

21 Medicare Part D claims for 14 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Michele Horwitz21
  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): 87.2 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 score84.1
  2. Costout of 100 · 30%56.5
  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).

Industry payments in 2024: $211.85

2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michele Horwitz$211.85
  2. Specialty average$791.64

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

Michele Lynn Horwitz among 8,223 nurse practitioner records in California

Michele Lynn Horwitz, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 18% of them.

  • NPI issued2007 · 18% of these records are older, 73% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 42% of these records are
  • Record last updated2022 · 45% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Beck Espiritu, NPVentura, CA 930031073948709
  2. Colette Frena, NPVentura, CA 930031023137247
  3. Elizabeth Hoffman, NPVentura, CA 930031235228412
  4. Janice Holden, R.N.,MSN,FNPVentura, CA 930031619039849
  5. Betty Jones-SmothermanVentura, CA 930031760606438
  6. Barbara Kielty, NNPVentura, CA 930031083834667
  7. Therese McKenna, RNVentura, CA 930031720244031
  8. Roland Ouellette, NPVentura, CA 930031902116239

Common questions

What is Michele Lynn Horwitz, NP's NPI number?

Michele Lynn Horwitz, NP's National Provider Identifier (NPI) is 1053535724, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Michele Lynn Horwitz, NP located?

The NPPES record lists a practice address at 300 Hillmont Avenue, Bldg. 340, Suite 101, Ventura, CA, 93003. Phone: (805) 652-6500. Providers update this record themselves, so call before visiting.

How can I verify Michele Lynn Horwitz, NP's license?

NPPES lists California license number NP11740, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Michele Lynn Horwitz, NP prescribe under Medicare Part D?

In 2024, Michele Lynn Horwitz, NP had 21 Medicare Part D claims for 14 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Michele Lynn Horwitz, NP's MIPS final score?

The 2023 MIPS final score is 87.2 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.