Samantha Chai, MD
Ophthalmology Physician · Los Angeles, CA
Samantha Chai, MD is an ophthalmology physician with a practice address in Los Angeles, California, and NPI 1518129980, issued on Jun 27, 2008. Check the license (California A118261, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Samantha Chai
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- A118261 CA
ME108130 FL
35091136 OH
N3545 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4220 W 3RD St, Los Angeles, CA 90020
- Phone
- (213) 380-8800
- Enumerated
- Jun 27, 2008
- Record last updated
- Sep 5, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (213) 381-7474
- Entity
- Type 1 · individual
Also registered at 4220 W 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Samantha Chai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A118261Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average ophthalmology physician in 2024
404 Medicare Part D claims for 122 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Latanoprost85 claims
- Brimonidine Tartrate48 claims
- Dorzolamide-Timolol40 claims
- Timolol Maleate33 claims
- Rhopressa31 claims
- Vyzulta30 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 99.8 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
Other ophthalmology physician records in California
- Sam Abbassi, MD, MSWest Hills, CA1881937720
- Richard Abbott, M.D.San Francisco, CA1346276573
- Jean-Paul Abboud, M.D., PH.D.Del Mar, CA1760776728
- Nizar Abdelfattah, MDPasadena, CA1801359393
- Parastou Abedi, MDAliso Viejo, CA1720067333
- Shahla Abedi, MDAliso Viejo, CA1467431072
- Lilit Ablabutyan, M.D.Glendale, CA1497013064
- Nathan Abraham, M.D.Valencia, CA1306224456
- James Abrams, M.D.San Bruno, CA1912903329
- Adam Abroms, MDWestlake Village, CA1497743702
Common questions
What is Samantha Chai, MD's NPI number?
Samantha Chai, MD's National Provider Identifier (NPI) is 1518129980, issued on Jun 27, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Samantha Chai, MD located?
The NPPES record lists a practice address at 4220 W 3RD St, Los Angeles, CA, 90020. Phone: (213) 380-8800. Providers update this record themselves, so call before visiting.
How can I verify Samantha Chai, MD's license?
NPPES lists California license number A118261, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Samantha Chai, MD prescribe under Medicare Part D?
In 2024, Samantha Chai, MD had 404 Medicare Part D claims for 122 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Samantha Chai, MD's MIPS final score?
The 2023 MIPS final score is 99.8 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.