NPPES file of Aug 9, 2026

Maria Koziol, NP

Family Nurse Practitioner · Laguna Hills, CA

Maria Koziol, NP is a family nurse practitioner with a practice address in Laguna Hills, California, and NPI 1407801368, issued on May 22, 2006. Check the license (California 12464, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407801368
Name
Maria Koziol
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
12464 CA
Self-reported in NPPES; status is on the state search
Practice location
22921 Triton Way, Laguna Hills, CA 92653
Phone
(949) 366-1053
Enumerated
May 22, 2006
Record last updated
Jan 14, 2013 (not updated in 13 years: call before relying on the address or phone)
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 22921 Triton Way

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

  1. Erin Baker, NPFamily Nurse Practitioner1164534368
  2. Patricia Gifford, MDGeriatric Medicine (Internal Medicine) Physician1487725552
  3. Barbara Knapp-Colston, ANPAdult Health Nurse Practitioner1235205071
  4. Cheryl Villasenor, NPFamily Nurse Practitioner1952356925
  5. Norman Vinn, D.O.Geriatric Medicine (Family Medicine) Physician1568417525
  6. Marcia Whalen, D.O.Family Medicine Physician1578502829

Verify Maria Koziol 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 12464
    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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90% fewer Medicare Part D claims than the average family nurse practitioner in 2024

136 Medicare Part D claims for 42 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Maria Koziol136
  2. Specialty average1,305

Most prescribed

  1. Atenolol15 claims
  2. Lovastatin14 claims
  3. Spironolactone12 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.

Maria Koziol among 16,966 family nurse practitioner records in California

Maria Koziol, NP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 93% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2013 · 42% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

32 family nurse practitioner records list a practice address in Laguna Hills

They are 32 of the 2,069 NPPES records with a practice address in Laguna Hills, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Nickhat Ahmed, FNPLaguna Hills, CA 926531669004578
  2. Erin Baker, NPLaguna Hills, CA 926531164534368
  3. Grace Chau, NPLaguna Hills, CA 926531225670565
  4. Priscilla Chow, NPLaguna Hills, CA 926531376510743
  5. Corazon Francisco, NPLaguna Hills, CA 926531063513000
  6. Marcia Harris-Luna, FNP/PNPLaguna Hills, CA 926531144317645
  7. Saba Khan, RN, NPLaguna Hills, CA 926531932763398
  8. Jenny Khiterer, N.P.Laguna Hills, CA 926531134247174

Common questions

What is Maria Koziol, NP's NPI number?

Maria Koziol, NP's National Provider Identifier (NPI) is 1407801368, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maria Koziol, NP located?

The NPPES record lists a practice address at 22921 Triton Way, Laguna Hills, CA, 92653. Phone: (949) 366-1053. Providers update this record themselves, so call before visiting.

How can I verify Maria Koziol, NP's license?

NPPES lists California license number 12464, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Maria Koziol, NP prescribe under Medicare Part D?

In 2024, Maria Koziol, NP had 136 Medicare Part D claims for 42 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.

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.