NPPES file of Aug 9, 2026

Jun Ihara, MD

Obstetrics & Gynecology Physician · Anaheim, CA

Jun Ihara, MD is an obstetrics & gynecology physician with a practice address in Anaheim, California, and NPI 1740351790, issued on Nov 13, 2006. Check the license (California G57155, 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
1740351790
Name
Jun Ihara
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G57155 CA
Self-reported in NPPES; status is on the state search
Practice location
441 N Lakeview Ave, Anaheim, CA 92807
Phone
(888) 988-2800
Enumerated
Nov 13, 2006
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20091230000511); accepts Medicare assignment
Medical or professional school
University Of Chicago, Pritzker School Of Medicine, 1982
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.
Download card Updates feed

Also registered at 441 N Lakeview Ave

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

  1. Adan Abarca, MDFamily Medicine Physician1760553689
  2. Peter Abdel Sayed, MDVascular & Interventional Radiology Physician1760553648
  3. Behnam Abdollahi, MDDermatopathology Physician1598836520
  4. Mark Abramson, MDInternal Medicine Physician1396812202
  5. Suzanne Ackley, MDNeuromusculoskeletal Medicine & OMM Physician1740351667
  6. Carol Ahmed, D.O.Family Medicine Physician1598962961

Verify Jun Ihara in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G57155
    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

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

Is this page about you? You can ask us to correct, restrict or remove it: how.

7.1 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

1,167 Medicare Part D claims for 378 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 41 claims were for opioids.

  1. Jun Ihara1,167
  2. Specialty average165

Most prescribed

  1. Estradiol249 claims
  2. Myrbetriq108 claims
  3. Trospium Chloride107 claims
  4. Methenamine Hippurate87 claims
  5. Cephalexin64 claims
  6. Nitrofurantoin Mono-Macro59 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupAnaheim, CA

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

Jun Ihara among 5,088 obstetrics & gynecology physician records in California

Jun Ihara, MD 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1982 · median 2004 among the 2,700 with a school on file
  • Record last updated2021 · 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).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

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

  1. Bel Barker, MDAnaheim, CA 928071376614354
  2. Julisa Bravo, MDAnaheim, CA 928071295802015
  3. Jean Burke, MDAnaheim, CA 928071588731459
  4. Peggy Grau, MDAnaheim, CA 928071063583045
  5. Anne Hardebeck, MDAnaheim, CA 928071083781900
  6. William Hayton, MDAnaheim, CA 928071508937400
  7. Cambria Kang, MDAnaheim, CA 928071871664813
  8. Neal Lonky, MDAnaheim, CA 928071841361896

Common questions

What is Jun Ihara, MD's NPI number?

Jun Ihara, MD's National Provider Identifier (NPI) is 1740351790, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jun Ihara, MD located?

The NPPES record lists a practice address at 441 N Lakeview Ave, Anaheim, CA, 92807. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.

How can I verify Jun Ihara, MD's license?

NPPES lists California license number G57155, 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 Jun Ihara, MD prescribe under Medicare Part D?

In 2024, Jun Ihara, MD had 1,167 Medicare Part D claims for 378 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.