NPPES file of Aug 9, 2026

Barbara Konishi, OD

Optometrist · Bellflower, CA

Barbara Konishi, OD is an optometrist with a practice address in Bellflower, California, and NPI 1699834309, issued on Dec 8, 2006. Check the license (California OPT8597TPA, 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
1699834309
Name
Barbara Konishi
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
OPT8597TPA CA
Self-reported in NPPES; status is on the state search
Practice location
9400 Rosecrans Ave, Bellflower, CA 90706
Phone
(562) 461-3000
Enumerated
Dec 8, 2006
Record last updated
Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050108000205); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 1986
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 9400 Rosecrans Ave

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

  1. Basil Abdelkarim, MDInternal Medicine Physician1003968454
  2. Le Marie Abellon, NPNurse Practitioner1144389867
  3. Adrian Acevedo, MDEmergency Medicine Physician1407923303
  4. Pravin Acharya, MDEmergency Medicine Physician1104993088
  5. Michele Afshar, PAPhysician Assistant1013065952
  6. Maria Agbing-Mamangun, MDPsychiatry Physician1063589984

Verify Barbara Konishi 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 OPT8597TPA
    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

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

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84% fewer Medicare Part D claims than the average optometrist in 2024

44 Medicare Part D claims for 20 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 70% of claims.

  1. Barbara Konishi44
  2. Specialty average277

Most prescribed

  1. Cyclosporine26 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 GroupBellflower, CA

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

Barbara Konishi among 8,308 optometrist records in California

Barbara Konishi, OD is one of 8,308 optometrist 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 66% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated1986 · median 2008 among the 3,573 with a school on file
  • Record last updated2021 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

32 optometrist records list a practice address in Bellflower

They are 32 of the 1,468 NPPES records with a practice address in Bellflower, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Mark Alpert, O.D.Bellflower, CA 907061801892773
  2. Mayra Berdugo, ODBellflower, CA 907061215004064
  3. Marian Cho-Ikeda, O.D.Bellflower, CA 907061316983604
  4. Robert Frohn, O.D.Bellflower, CA 907061467469668
  5. Anthony Huang, O.D.Bellflower, CA 907061659344802
  6. Eric Ikeda, O.D.Bellflower, CA 907061982700704
  7. Diane Kawamoto, ODBellflower, CA 907061366519100
  8. Ann Lee, ODBellflower, CA 907061598832347

Common questions

What is Barbara Konishi, OD's NPI number?

Barbara Konishi, OD's National Provider Identifier (NPI) is 1699834309, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Barbara Konishi, OD located?

The NPPES record lists a practice address at 9400 Rosecrans Ave, Bellflower, CA, 90706. Phone: (562) 461-3000. Providers update this record themselves, so call before visiting.

How can I verify Barbara Konishi, OD's license?

NPPES lists California license number OPT8597TPA, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Barbara Konishi, OD prescribe under Medicare Part D?

In 2024, Barbara Konishi, OD had 44 Medicare Part D claims for 20 beneficiaries; the average among optometrist prescribers was 277. 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.