NPPES file of Aug 9, 2026

Ava Bittner, O.D.

Optometrist · Los Angeles, CA

Ava Bittner, O.D. is an optometrist with a practice address in Los Angeles, California, and NPI 1457308793, issued on May 30, 2006. Check the license (California 34143, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457308793
Name
Ava Bittner
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
34143 CA
Self-reported in NPPES; status is on the state search
Practice location
100 Stein Plz, Los Angeles, CA 90095
Phone
(310) 825-3090
Enumerated
May 30, 2006
Record last updated
Oct 18, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(310) 206-5673
Medicaid ID
361002100 MD
Medicare enrollment
Enrolled (PECOS I20190218002593); accepts Medicare assignment
Medical or professional school
Pennsylvania College Of Optometry, 2001
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 100 Stein Plz

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

  1. Diana Abrahamyan, ODOptometrist1538834932
  2. Diego AriasOphthalmology Physician1346998093
  3. Reginald Ariyasu, MDOphthalmology Physician1285654939
  4. William Astle, MDOphthalmology Physician1700808276
  5. Adrian Au, MDRetina Specialist (Ophthalmology) Physician1124482450
  6. Saghar Bagheri, MDGlaucoma Specialist (Ophthalmology) Physician1821627399

Verify Ava Bittner 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 34143
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 74.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.0
  2. Costout of 100 · 30%30.2
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Jules Stein Eye Institute Medical GroupArcadia, CA

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

Ava Bittner among 8,308 optometrist records in California

Ava Bittner, O.D. 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
  • Graduated2001 · median 2008 among the 3,573 with a school on file
  • Record last updated2019 · 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).

Optometrist providers in California

There are 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Tony Chan, ODLos Angeles, CA 900951952894487
  2. Lorraine Cheng, ODLos Angeles, CA 900951821624164
  3. Jonathan Christie, MDLos Angeles, CA 900951306857693
  4. Amanda Havens, O.D.Los Angeles, CA 900951083901409
  5. Diana Hirota, O.D.Los Angeles, CA 900951023449311
  6. Linda Hwang, ODLos Angeles, CA 900951225439854
  7. Roxana KhorramiLos Angeles, CA 900951528476546
  8. Mark Emmanuel LandigLos Angeles, CA 900951689916520

Common questions

What is Ava Bittner, O.D.'s NPI number?

Ava Bittner, O.D.'s National Provider Identifier (NPI) is 1457308793, issued on May 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ava Bittner, O.D. located?

The NPPES record lists a practice address at 100 Stein Plz, Los Angeles, CA, 90095. Phone: (310) 825-3090. Providers update this record themselves, so call before visiting.

How can I verify Ava Bittner, O.D.'s license?

NPPES lists California license number 34143, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

What is Ava Bittner, O.D.'s MIPS final score?

The 2023 MIPS final score is 74.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.