Dr. Lawrence C. Chao, MD

  • Irvine, CA
  • Cornea and external diseases specialist physician
NPI1700812997PAC ID0042215659
Medicare services, 2024
1,876
Medicare patients, 2024
952
Part D claims, 2024
789
Publications
4
MIPS score, 2024
75
Practice address
2500 Alton Parkway, Irvine, CA 92606
Practice phone
Call (949) 387-3888
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

FCOC Surgical Center

Surgery Center - Not Medicare-Certified · Irvine, California

See all 3 affiliations

Find Dr. Chao's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Lawrence C. Chao is a cornea and external diseases specialist physician in Irvine, California

Dr. Chao practices at FCOC Surgical Center in Irvine, California.

Dr. Chao's NPI, 1700812997, was assigned on June 23, 2006. Dr. Chao graduated from Keck School of Medicine of USC in 1993. Dr. Chao holds California license G84067.

NPI and contact details
Medicare PAC ID
0042215659
NPI enumeration date
June 23, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(949) 387-3888
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
59
Medical school graduation
1993

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Lawrence C. Chao practices at FCOC Surgical Center in Irvine, California

Dr. Chao's primary practice is FCOC Surgical Center, at 2500 Alton Parkway, Irvine, CA 92606. The practice phone is (949) 387-3888.

  • FCOC Surgical Center
    2500 Alton Parkway, Irvine, CA 92606Phone(949) 387-3888

Source: Dmand AI Affiliation Data

Dr. Lawrence C. Chao is affiliated with 2 sites of care and 1 medical group

Dr. Chao's primary practice is FCOC Surgical Center in Irvine, California. Dmand AI also links Dr. Chao to 1 group practice or clinic and 1 medical group, each named with a free account.

FCOC Surgical CenterSurgery Center - Not Medicare-Certified · Irvine, CaliforniaPrimary
1 group practice or clinicName with a free account1 medical groupName with a free accountParent health systemName with a free account
See all 3 affiliations for Dr. Chao

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Lawrence C. Chao's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chao practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
FCOC Surgical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Chao practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Lawrence C. Chao is one of 51 corneas and external diseases specialist physicians in California

Cornea and external diseases specialist is Dr. Chao's primary specialty in the NPI Registry, under taxonomy code 207WX0120X. Dr. Chao is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Chao is licensed in California.

Specialties and state licenses

  • Cornea and external diseases specialist, CaliforniaPrimaryLicense G84067 · 1997 to 2027 · taxonomy 207WX0120X

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, conjunctivitis, dry eye, eye infection or inflammation and eyelid inflammation among the conditions Dr. Chao treats.

Corneas and external diseases specialist physicians near Dr. Chao

Counts of corneas and external diseases specialist physicians with a Dmand AI profile, by place and practice. Each opens the list.

51corneas and external diseases specialist physicians in California
2corneas and external diseases specialist physicians in Irvine

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Lawrence C. Chao billed Medicare for 1,876 services in 2024

CMS data shows 1,876 Medicare services from Dr. Chao across 15 procedure codes in 2024, for 952 Medicare patients. Medicare paid $230,571 for them.

Medicare services, 20241,876
Medicare patients952
Paid by Medicare$230,571
Procedure codes15

Dr. Chao's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,0172024: 1,022No change
Tests and treatments
2023: 6582024: 56215%
Surgery
2023: 2722024: 2927%

Where Dr. Chao's Medicare services took place, 2024

  • In an office1,69991%
  • In a facility1779%

Dr. Chao compared with the California median for corneas and external diseases specialist physicians, 2024

  • Dr. Chao
  • California median
Medicare services
1,876vs 95497% above
Medicare patients
952vs 3862.5 times
Part D claims
697vs 79913% below

Medians across 49 corneas and external diseases specialist physicians in California with Dmand AI profiles that report each measure.

Dr. Chao's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Chao

Need commercial claims for Dr. Chao?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chao and other corneas and external diseases specialist physicians in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Lawrence C. Chao treated 952 Medicare patients in 2024, average age 76

CMS counts 952 Medicare patients who saw Dr. Chao in 2024. The largest group is 75 to 84, with 455 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 2% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chao's median patient age at 69, with 57% women.

Medicare patients, 2024952
Average age76
Average risk score0.98
Also on Medicaid2%

Dr. Chao's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Chao's Medicare patients by sex, 2024

  • Women57060%
  • Men38240%

Chronic conditions among Dr. Chao's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure68%
  3. Arthritis46%
  4. Ischemic heart disease26%
  5. Diabetes23%
  6. Osteoporosis20%
  7. Cancer18%
  8. Chronic kidney disease18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Chao's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women57%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Lawrence C. Chao wrote 789 Medicare Part D claims in 2024

In 2024, Dr. Chao wrote 789 Medicare Part D claims for 207 patients. 63% of them were for generic drugs. CMS names the drug for 697 of them, across 9 drugs with 11 or more claims each, at $150,032 in total drug cost. In 2023, CMS named 721 claims across 12 drugs.

Part D claims, 2024789
Drugs named by CMS9
Total drug cost$150,032
Part D patients207

Dr. Chao's Part D claims by kind of drug, 2024

  • Generic498 claims63%
  • Brand-name291 claims37%

Dr. Chao's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 7212024: 6973%

Drugs named by CMS: 9 in 2024, 12 in 2023.

See all prescribing by Dr. Chao

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Lawrence C. Chao scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Chao for performance year 2024, reported individually. Dr. Chao accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 251 procedures of cataract surgery by Dr. Chao, more than 87% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

Where Dr. Chao ranks in Medicare procedure volume

Cataract surgery
87th percentile251 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find corneas and external diseases specialist physicians like Dr. Chao by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Lawrence C. Chao has 4 publications on record

Dmand AI links 4 papers to Dr. Chao. The most frequent topics are Cornea, Lasers, Excimer and Photorefractive Keratectomy. Dr. Chao has published most often in J Cataract Refract Surg. Dr. Chao's most frequent co-authors are Arlene M. Dolorico, MD, Sarah Rae Wellik, MD and Lee H. Novick, MD.

Papers4

Topics Dr. Chao writes about most

  • Cornea
  • Lasers, Excimer
  • Photorefractive Keratectomy

Dr. Chao's most frequent co-authors

Recent publications by Dr. Chao

See all 4 publications and co-authors

See who Dr. Chao researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chao works with, so you can find a warm path to the right corneas and external diseases specialist physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Lawrence C. Chao received $41,950 in industry payments from 2016 to 2025

CMS Open Payments shows 119 general payments to Dr. Chao from 18 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 75% of the total. Alcon Laboratories Inc paid the most, $29,449.

General payments to Dr. Chao by program year, 2016 to 2025

General payments to Dr. Chao by kind, 2016 to 2025

$41.9Kin total
  • Consulting fees$31,28575%
  • Food and beverage$4,63211%
  • Travel and lodging$3,3888%
  • Speaker and faculty fees$2,6256%
  • Gifts$190%

Companies that paid Dr. Chao the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chao

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Lawrence C. Chao has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Chao.

Awards and honors for Dr. Chao

  1. Undated
    • AAO Fellow
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. Lawrence C. Chao graduated from Keck School of Medicine of USC

Dr. Chao graduated from Keck School of Medicine of USC in 1993. Dr. Chao is a member of AAO.

  1. Medical schoolKeck School of Medicine of USC
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Lawrence C. Chao accepts plans from 6 insurance carriers

Dr. Chao is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Chao accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. HMO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Lawrence C. Chao's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Lawrence C. Chao

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Lawrence C. Chao's NPI number?

Dr. Lawrence C. Chao's NPI number is 1700812997. It was assigned on June 23, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Lawrence C. Chao?

Dr. Lawrence C. Chao is a cornea and external diseases specialist physician in Irvine, California. The primary specialty in the NPI Registry is Cornea and External Diseases Specialist Physician (taxonomy code 207WX0120X).

Where does Dr. Lawrence C. Chao practice?

Dr. Chao practices at 2500 Alton Parkway, Irvine, CA 92606. Dr. Chao's primary practice is FCOC Surgical Center in Irvine, California. Dmand AI also links Dr. Chao to 1 group practice or clinic and 1 medical group.

What is Dr. Lawrence C. Chao's office phone number?

The practice phone on file for Dr. Chao is (949) 387-3888.

What is Dr. Lawrence C. Chao's medical license number?

Dr. Chao holds California license G84067.

Does Dr. Lawrence C. Chao accept Medicare?

Yes. CMS data shows Dr. Chao billed Medicare for 1,876 services in 2024, and Dr. Chao accepts Medicare assignment.

What is Dr. Lawrence C. Chao's MIPS score?

Dr. Chao's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

How many Medicare patients does Dr. Lawrence C. Chao see?

CMS counts 952 Medicare patients who saw Dr. Chao in 2024, with an average age of 76.

Is Dr. Lawrence C. Chao board certified?

Yes. Dr. Chao is board certified in ophthalmology by the American Board of Ophthalmology.

What services does Dr. Lawrence C. Chao bill to Medicare?

In 2024, Dr. Chao's most billed Medicare services were office visit, established patient (99213), eye exam or test (92014) and office visit, established patient (99214).

Show 7 more questionsShow fewer questions

Where did Dr. Lawrence C. Chao go to medical school?

Dr. Chao graduated from Keck School of Medicine of USC in 1993.

What drugs does Dr. Lawrence C. Chao prescribe most?

In 2024 Medicare Part D data, Dr. Chao's most prescribed drugs by claims were Ofloxacin, Ketorolac Tromethamine and Lotemax Sm.

Has Dr. Lawrence C. Chao received payments from drug or device companies?

CMS Open Payments shows $41,950 in general payments to Dr. Chao from 18 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. Lawrence C. Chao been practicing?

Dr. Chao graduated from medical school in 1993, 33 years ago.

Does Dr. Lawrence C. Chao do research?

Dmand AI links 4 publications to Dr. Chao.

Who does Dr. Lawrence C. Chao publish with?

Dr. Chao's most frequent co-authors are Arlene M. Dolorico, MD (2 shared papers), Sarah Rae Wellik, MD (2 shared papers) and Lee H. Novick, MD (1 shared paper).

What insurance does Dr. Lawrence C. Chao accept?

Dr. Chao is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

Selling to cornea and external diseases specialist practices?

See corneas and external diseases specialist physicians in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)