NPPES file of Aug 9, 2026

Lawrence C. Chao, MD

Cornea and External Diseases Specialist Physician · Irvine, CA

Lawrence C. Chao, MD is a cornea and external diseases specialist physician with a practice address in Irvine, California, and NPI 1700812997, issued on Jun 23, 2006. Check the license (California G84067, 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
1700812997
Name
Lawrence C. Chao
Credential
MD
Primary taxonomy
Cornea and External Diseases Specialist Physician 207WX0120X
License number
G84067 CA
Self-reported in NPPES; status is on the state search
Practice location
2500 Alton Pkwy, Irvine, CA 92606
Phone
(949) 679-2426
Enumerated
Jun 23, 2006
Record last updated
Mar 23, 2022
Fax
(949) 679-2616
Medicare enrollment
Enrolled (PECOS I20061003000277); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 1993
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 2500 Alton Pkwy

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

  1. Roxanna Baghai, DDSGeneral Practice Dentistry1366561714
  2. Vanila Godara, DDSOral and Maxillofacial Surgery (Dentist)1548600844
  3. Patrick Lee, D.D.SPediatric Dentistry1326258112
  4. Ali Mansouri, DDSDentist1073688560
  5. Fay Mansouri, D.D.S.Dentist1821289687
  6. Shirin Mansouri, DDSGeneral Practice Dentistry1750487187

Verify Lawrence C. Chao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G84067
    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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38% fewer Medicare Part D claims than the average cornea and external diseases specialist physician in 2024

789 Medicare Part D claims for 207 beneficiaries, against an average of 1,263 among the 330 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.

  1. Lawrence Chao789
  2. Specialty average1,263

Most prescribed

  1. Ofloxacin209 claims
  2. Ketorolac Tromethamine207 claims
  3. Lotemax Sm105 claims
  4. Restasis70 claims
  5. Cyclosporine51 claims
  6. Acyclovir16 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 MIPS final score for 2023 (Medicare payment program): 90.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score80.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,311.01

6 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Research LLC. The 284 providers of this specialty with any payment received $3,109.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lawrence Chao$2,311.01
  2. Specialty average$3,109.37

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. Lawrence Chi Chao MD A Professional CorporationIrvine, CA

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

Lawrence C. Chao among 54 cornea and external diseases specialist physician records in California

Lawrence C. Chao, MD is one of 54 cornea and external diseases specialist physician records with a practice address in California. 96% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 85% newer
  • In a Medicare fileYes · 96% of these records are
  • In the CMS Doctors and Clinicians fileYes · 85% of these records are
  • Graduated1993 · median 2010 among the 46 with a school on file
  • Record last updated2022 · 24% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0120X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cornea and External Diseases Specialist Physician providers in California

There are 54 cornea and external diseases specialist physician records in California.

The 8 cornea and external diseases specialist physician records with the nearest ZIP codes

  1. Jimmy Lee, M.D.Irvine, CA 926021306045802
  2. Sumit Garg, M.D.Irvine, CA 926171881878262
  3. Elizabeth Shen, M.D.Irvine, CA 926181396124889
  4. Rami GabrielLaguna Hills, CA 926531669000915
  5. Reza Moradi, MDNewport Beach, CA 926601851773527
  6. Matthew Wade, M.D.Irvine, CA 926971750544755
  7. David Choi, MDRiverside, CA 925061912981598
  8. Brandon Bates, MDOrange, CA 928681376288274

Common questions

What is Lawrence C. Chao, MD's NPI number?

Lawrence C. Chao, MD's National Provider Identifier (NPI) is 1700812997, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lawrence C. Chao, MD located?

The NPPES record lists a practice address at 2500 Alton Pkwy, Irvine, CA, 92606. Phone: (949) 679-2426. Providers update this record themselves, so call before visiting.

How can I verify Lawrence C. Chao, MD's license?

NPPES lists California license number G84067, 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 Lawrence C. Chao, MD prescribe under Medicare Part D?

In 2024, Lawrence C. Chao, MD had 789 Medicare Part D claims for 207 beneficiaries; the average among cornea and external diseases specialist physician prescribers was 1,263. Part D covers Medicare prescriptions only.

What is Lawrence C. Chao, MD's MIPS final score?

The 2023 MIPS final score is 90.4 of 100. 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.