Tanya Chaljian, OD
Optometrist · Los Angeles, CA
Tanya Chaljian, OD is an optometrist with a practice address in Los Angeles, California, and NPI 1609555457, issued on Jul 17, 2023. Check the license (California 35569, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tanya Chaljian
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 35569 CA
Self-reported in NPPES; status is on the state search - Practice location
- 237 N Western Ave, Los Angeles, CA 90004
- Phone
- (323) 469-1929
- Enumerated
- Jul 17, 2023
- Record last updated
- Jul 17, 2023
- Medicare enrollment
- Enrolled (PECOS I20230821002445); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 2023
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 237 N Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Walter Kim, O.D.Optometrist1821098096
- Ronald Kleinman, ODOptometrist1164533360
Verify Tanya Chaljian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 35569Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average optometrist in 2024
196 Medicare Part D claims for 76 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Azelastine Hcl36 claims
- Fluorometholone27 claims
- Neomycin-Polymyxin-Dexameth26 claims
- Lumigan23 claims
- Cyclosporine17 claims
- Latanoprost14 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.
Industry payments in 2024: $48.02
2 payments; by number, the most common kind was food and beverage; the largest payer was Optos, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Tanya Chaljian among 8,308 optometrist records in California
Tanya Chaljian, 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 2023, is newer than 92% of them.
- NPI issued2023 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2023 · median 2008 among the 3,573 with a school on file
- 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.
All 8,308 in California → Every provider in Los Angeles → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Maria Auerbach, O.D.Los Angeles, CA 900041669515433
- Arpie Bosnoyan, O.DLos Angeles, CA 900041902258825
- Dickson Chen, O.D.Los Angeles, CA 900041225009723
- Roxana De La Rosa, O.D.Los Angeles, CA 900041003048588
- Cesar Eguez, ODLos Angeles, CA 900041760561831
- Walter Kim, O.D.Los Angeles, CA 900041821098096
- Janette Kim, O.D.Los Angeles, CA 900041497807838
- Ronald Kleinman, ODLos Angeles, CA 900041164533360
Common questions
What is Tanya Chaljian, OD's NPI number?
Tanya Chaljian, OD's National Provider Identifier (NPI) is 1609555457, issued on Jul 17, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Tanya Chaljian, OD located?
The NPPES record lists a practice address at 237 N Western Ave, Los Angeles, CA, 90004. Phone: (323) 469-1929. Providers update this record themselves, so call before visiting.
How can I verify Tanya Chaljian, OD's license?
NPPES lists California license number 35569, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tanya Chaljian, OD prescribe under Medicare Part D?
In 2024, Tanya Chaljian, OD had 196 Medicare Part D claims for 76 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.