NPPES file of Aug 9, 2026

Emma L. Clay, M.D.

Ophthalmology Physician · Lakewood, CA

Emma L. Clay, M.D. is an ophthalmology physician with a practice address in Lakewood, California, and NPI 1053387365, issued on Feb 27, 2006. Check the license (California A83495, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053387365
Name
Emma L. Clay
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
A83495 CA
Self-reported in NPPES; status is on the state search
Practice location
3300 E South St, Lakewood, CA 90805
Phone
(562) 531-2020
Enumerated
Feb 27, 2006
Record last updated
Jan 26, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(562) 531-1142
Medicare enrollment
Enrolled (PECOS I20060209000287); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 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 3300 E South St

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

  1. Sultanali Alidina, M.D.Hematology & Oncology Physician1063411684
  2. Eric Cheung, D.O.Hematology & Oncology Physician1881872687
  3. Adarsh Daswani, M.D.Nephrology Physician1598861882
  4. Alex Hsu, MDNephrology Physician1265499719
  5. Kevin Kwok, O.D.Optometrist1568813723
  6. Kit Lee, MDPediatrics Physician1518015916

Verify Emma L. Clay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A83495
    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
Open 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.

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17% more Medicare Part D claims than the average ophthalmology physician in 2024

1,781 Medicare Part D claims for 550 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.

  1. Emma Clay1,781
  2. Specialty average1,518

Most prescribed

  1. Latanoprost501 claims
  2. Prednisolone Acetate227 claims
  3. Ofloxacin176 claims
  4. Ketorolac Tromethamine171 claims
  5. Timolol Maleate134 claims
  6. Neomycin-Polymyxin-Dexameth114 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): 91.9 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 score100.0
  2. Costout of 100 · 30%72.9
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Industry payments in 2024: $259.56

3 payments; by number, the most common kind was food and beverage; the largest payer was New World Medical,inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Emma Clay$259.56
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Lakewood Eye Physicians And Surgeons Inc A Medical GroupLakewood, CA

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

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California.

Other ophthalmology physician records in California

  1. Sam Abbassi, MD, MSWest Hills, CA1881937720
  2. Richard Abbott, M.D.San Francisco, CA1346276573
  3. Jean-Paul Abboud, M.D., PH.D.Del Mar, CA1760776728
  4. Nizar Abdelfattah, MDPasadena, CA1801359393
  5. Parastou Abedi, MDAliso Viejo, CA1720067333
  6. Shahla Abedi, MDAliso Viejo, CA1467431072
  7. Lilit Ablabutyan, M.D.Glendale, CA1497013064
  8. Nathan Abraham, M.D.Valencia, CA1306224456
  9. James Abrams, M.D.San Bruno, CA1912903329
  10. Adam Abroms, MDWestlake Village, CA1497743702

Common questions

What is Emma L. Clay, M.D.'s NPI number?

Emma L. Clay, M.D.'s National Provider Identifier (NPI) is 1053387365, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Emma L. Clay, M.D. located?

The NPPES record lists a practice address at 3300 E South St, Lakewood, CA, 90805. Phone: (562) 531-2020. Providers update this record themselves, so call before visiting.

How can I verify Emma L. Clay, M.D.'s license?

NPPES lists California license number A83495, 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 Emma L. Clay, M.D. prescribe under Medicare Part D?

In 2024, Emma L. Clay, M.D. had 1,781 Medicare Part D claims for 550 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Emma L. Clay, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.9 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.