Registry data as of Aug 27, 2026

Jeanine Ishak, N.P.

Nurse Practitioner · Westlake Village, CA

Jeanine Ishak, N.P. is a nurse practitioner with a practice address in Westlake Village, California, and NPI 1962456475, issued on May 20, 2006. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1962456475
Name
Jeanine Ishak
Credential
N.P.
Primary taxonomy
Nurse Practitioner 363L00000X
Practice location
32144 Agoura RD, Westlake Village, CA 91361
Phone
(805) 379-3376
Enumerated
May 20, 2006
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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Also registered at 32144 Agoura RD

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

  1. Gerald Berkman, MDPediatric Adolescent Medicine Physician1225009822
  2. Hector Caballero, MDInternal Medicine Physician1174515662
  3. Sona Georgian, D.D.S.General Practice Dentistry1992865711
  4. Karin Harp, MDDermatology Physician1518923374
  5. Asher Kashanchi, PHARM DPharmacist1083051825
  6. Charles Kelman, D.P.MPodiatrist1063490738

Verify Jeanine Ishak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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

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

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

64% fewer Medicare Part D claims than the average nurse practitioner in 2024

410 Medicare Part D claims for 183 beneficiaries, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D.

  1. Jeanine Ishak410
  2. Specialty average1,144

Most prescribed

  1. Triamcinolone Acetonide78 claims
  2. Fluocinonide59 claims
  3. Ketoconazole56 claims
  4. Desonide31 claims
  5. Cephalexin25 claims
  6. Fluorouracil23 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.

No measured Medicare quality score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Industry payments in 2024: $102.74

5 payments, mostly food and beverage; the largest payer was Janssen Biotech, Inc.. The 36,168 providers of this specialty with any payment received $802.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jeanine Ishak$102.74
  2. Specialty average$802.80

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

One hospital or facility affiliation

  1. Dermatology Medical Group OF Oxnard And CamarilloOxnard, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Nurse Practitioner providers in California

There are 7,120 nurse practitioner records in California.

Other nurse practitioner records in California

  1. Barbara Aaronson, RN/NURSE PRACTITONERLos Angeles, CA1588988182
  2. Albert Aba, AGNPSan Francisco, CA1578353777
  3. Venice AbabatColton, CA1083240881
  4. Martha Ababneh, CNAEl Monte, CA1275118614
  5. Chelsea Abad, CRNP, AGPCNP - BCDuarte, CA1952848137
  6. Shayda Abadi, NPPalo Alto, CA1316745540
  7. Jessika Abarca, NPSan Fernando, CA1972263945
  8. Hangama Abassi, N.P.Walnut Creek, CA1487083655
  9. Elizabeth Abaunza, NPSan Francisco, CA1962044347
  10. Honeylynn Abaya, NPMoreno Valley, CA1528799145

Common questions

What is Jeanine Ishak, N.P.'s NPI number?

Jeanine Ishak, N.P.'s National Provider Identifier (NPI) is 1962456475, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeanine Ishak, N.P. located?

The NPPES record lists a practice address at 32144 Agoura RD, Westlake Village, CA, 91361. Phone: (805) 379-3376. Providers update this record themselves, so call before visiting.

How can I verify Jeanine Ishak, N.P.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Jeanine Ishak, N.P. prescribe under Medicare Part D?

In 2024, Jeanine Ishak, N.P. had 410 Medicare Part D claims for 183 beneficiaries; the average among nurse practitioner prescribers was 1,144. Part D covers Medicare prescriptions only.

What is Jeanine Ishak, N.P.'s Medicare quality score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.