NPPES file of Aug 9, 2026

Olga Ivesic, DO

Obstetrics & Gynecology Physician · Laguna Hills, CA

Olga Ivesic, DO is an obstetrics & gynecology physician with a practice address in Laguna Hills, California, and NPI 1316513864, issued on Jun 3, 2021. Check the license (California 20A24100, as entered in NPPES) on the Medical Board of California; 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
1316513864
Name
Olga Ivesic
Credential
DO
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
20A24100 CA
Self-reported in NPPES; status is on the state search
Practice location
24401 Health Center Dr., Suite 300, Laguna Hills, CA 92653
Phone
(949) 770-4115
Enumerated
Jun 3, 2021
Record last updated
Jul 18, 2025
Fax
(949) 770-3422
Medicare enrollment
Enrolled (PECOS I20250904003527); 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 24401 Health Center Dr., Suite 300

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

  1. Bonnie Martin, CNM, ARNPAdvanced Practice Midwife1780602425
  2. Adrianna Sherman, CNMMidwife1346135845

Verify Olga Ivesic in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A24100
    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 California license search

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81% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

31 Medicare Part D claims for 19 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Olga Ivesic31
  2. Specialty average165

Most prescribed

  1. Oxycodone Hcl14 claims
  2. Ibuprofen11 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: $134.44

2 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Olga Ivesic$134.44
  2. Specialty average$1,030.61

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. Memorialcare Medical FoundationLaguna Hills, CA

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

Olga Ivesic among 5,088 obstetrics & gynecology physician records in California

Olga Ivesic, DO is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 96% of them.

  • NPI issued2021 · 96% of these records are older, 2% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2021 · median 2004 among the 2,700 with a school on file
  • Record last updated2025 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 obstetrics & gynecology physician records list a practice address in Laguna Hills

They are 33 of the 2,069 NPPES records with a practice address in Laguna Hills, and 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Margaret Audell, MDLaguna Hills, CA 926531487602199
  2. Linda Chung, M.D.Laguna Hills, CA 926531053314211
  3. Navneet Gogia, MDLaguna Hills, CA 926531285682161
  4. Carol Kaminskas, MDLaguna Hills, CA 926531487603718
  5. Julie Kim, MDLaguna Hills, CA 926531689679417
  6. Brian Koperek, MDLaguna Hills, CA 926531306894191
  7. Rachael Lopez, MDLaguna Hills, CA 926531639174899
  8. Dennis Martin, MDLaguna Hills, CA 926531801854096

Common questions

What is Olga Ivesic, DO's NPI number?

Olga Ivesic, DO's National Provider Identifier (NPI) is 1316513864, issued on Jun 3, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Olga Ivesic, DO located?

The NPPES record lists a practice address at 24401 Health Center Dr., Suite 300, Laguna Hills, CA, 92653. Phone: (949) 770-4115. Providers update this record themselves, so call before visiting.

How can I verify Olga Ivesic, DO's license?

NPPES lists California license number 20A24100, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Olga Ivesic, DO prescribe under Medicare Part D?

In 2024, Olga Ivesic, DO had 31 Medicare Part D claims for 19 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.