Registry data as of Aug 27, 2026

Ava Bittner, O.D.

Low Vision Rehabilitation Optometrist · Los Angeles, CA

Ava Bittner, O.D. is a low vision rehabilitation 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1457308793
Name
Ava Bittner
Credential
O.D.
Primary taxonomy
Low Vision Rehabilitation Optometrist 152WL0500X
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
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 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, MDOphthalmology Physician1124482450
  6. Saghar Bagheri, MDRetina 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

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

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

The practice group's Medicare quality score for 2023: 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).

One hospital or facility affiliation

  1. Jules Stein Eye Institute Medical GroupArcadia, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Low Vision Rehabilitation Optometrist providers in California

There are 65 low vision rehabilitation optometrist records in California.

Other low vision rehabilitation optometrist records in California

  1. Oboesi Avery, O.D.San Francisco, CA1215375753
  2. Briza Brooks, ODPomona, CA1790489896
  3. Janet Caddell, O.D.Santa Rosa, CA1700876760
  4. Megan Carter, ODMarina, CA1225371271
  5. Tiffany Chan, O.D.Grass Valley, CA1528374246
  6. Andy Chen, O.D.Long Beach, CA1518348432
  7. Christie ChenLos Angeles, CA1962194191
  8. Selma Chin, O.D.Palo Alto, CA1750465944
  9. David Chiu, O.D.Hayward, CA1609889260
  10. Jennifer Choi, O.D., M.S.Marina Del Rey, CA1891117008

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 Medicare quality 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.