NPPES file of Aug 9, 2026

Tammy La

Optometrist · Santa Ana, CA

Tammy La is an optometrist with a practice address in Santa Ana, California, and NPI 1356014989, issued on Jul 29, 2021. Check the license (California 34839, 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
1356014989
Name
Tammy La
Primary taxonomy
Optometrist 152W00000X
License number
34839 CA
Self-reported in NPPES; status is on the state search
Practice location
1595 E 17TH St, Santa Ana, CA 92705
Phone
(714) 984-0788
Enumerated
Jul 29, 2021
Record last updated
Mar 9, 2023
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 1595 E 17TH St

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

  1. Eriq Plechot, ODOptometrist1902549173
  2. Emily Tully-Hanson, OD, MSOptometrist1033966775

Verify Tammy La 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 34839
    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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39% fewer Medicare Part D claims than the average optometrist in 2024

170 Medicare Part D claims for 77 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.

  1. Tammy La170
  2. Specialty average277

Most prescribed

  1. Latanoprost67 claims
  2. Dorzolamide-Timolol30 claims
  3. Timolol Maleate18 claims
  4. Brimonidine Tartrate11 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.

Tammy La among 8,308 optometrist records in California

Tammy La 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 2021, is newer than 86% of them.

  • NPI issued2021 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2023 · 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. Vida Arjomand, O.D.Santa Ana, CA 927051114011103
  2. Eric Bender, O.D.North Tustin, CA 927051184649519
  3. Alexander Bonakdar, O.DSanta Ana, CA 927051588668917
  4. Paul Chappelle, O.DSanta Ana, CA 927051326336835
  5. Bruce Grant, ODSanta Ana, CA 927051720126212
  6. Niloufar Hedayat, O.D.Santa Ana, CA 927051285898387
  7. Melvin Honda, O.D.Santa Ana, CA 927051801992490
  8. Janice Jackman, O.D.Santa Ana, CA 927051932250073

Common questions

What is Tammy La's NPI number?

Tammy La's National Provider Identifier (NPI) is 1356014989, issued on Jul 29, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Tammy La located?

The NPPES record lists a practice address at 1595 E 17TH St, Santa Ana, CA, 92705. Phone: (714) 984-0788. Providers update this record themselves, so call before visiting.

How can I verify Tammy La's license?

NPPES lists California license number 34839, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Tammy La prescribe under Medicare Part D?

In 2024, Tammy La had 170 Medicare Part D claims for 77 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.