Dr. Sun Young Lee, MD

  • Los Angeles, CA
  • Ophthalmologist
NPI1649613647PAC ID7012202641
Medicare services, 2024
1,637
Medicare patients, 2024
322
Part D claims, 2024
79
Hospital affiliations
1
Industry payments
$97,494
Practice address
1500 San Pablo Street, Los Angeles, CA 90033
Practice phone
Call (323) 442-8656
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Keck Hospital of USC

Hospital · Los Angeles, California

See all 5 affiliations

Find Dr. Lee'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. Sun Young Lee is an ophthalmologist in Los Angeles, California

Dr. Lee practices at Keck Hospital of USC in Los Angeles, California, part of University of Southern California.

Dr. Lee's NPI, 1649613647, was assigned on April 10, 2013. Dr. Lee graduated from Pusan National University College of Medicine in 1999. Dr. Lee holds California license A133520.

NPI and contact details
Medicare PAC ID
7012202641
NPI enumeration date
April 10, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(323) 442-8656
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
53
Medical school graduation
1999

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

Dr. Sun Young Lee practices at Keck Hospital of USC in Los Angeles, California

Dr. Lee's primary practice is Keck Hospital of USC, at 1500 San Pablo Street, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-8656.

  • Keck Hospital of USC
    1500 San Pablo Street, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 442-8656

Source: Dmand AI Affiliation Data

Dr. Sun Young Lee is affiliated with 4 sites of care and 1 medical group

Dr. Lee's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Lee to 1 more group practice or clinic, 1 other site and 1 urgent care center, each named with a free account.

See all 5 affiliations for Dr. Lee

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

Dmand AI tracks the EHR system at Dr. Sun Young Lee's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Keck Hospital of USCAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Lee practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across University of Southern California and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Sun Young Lee is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Lee is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Lee's licenses on file in 3 states: California, Oklahoma and Iowa.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense A133520 · 2014 to 2026 · taxonomy 207W00000X
  • Retina specialist (ophthalmology), OklahomaLicense 33908 · 2018 to 2022 · taxonomy 207WX0107X
  • Iowa licenseLicense MD43305 · 2016 to 2020

Clinical focus

Dmand AI lists age-related macular degeneration, hypertensive retinopathy, laser destruction of retinal or choroid lesions, retinal detachment, retinal occlusion, scleritis, surgical retina and vitreous procedures and vision problems among the conditions Dr. Lee treats.

Ophthalmologists near Dr. Lee

Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.

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

Dr. Sun Young Lee billed Medicare for 1,637 services in 2024

CMS data shows 1,637 Medicare services from Dr. Lee across 9 procedure codes in 2024, for 322 Medicare patients. Medicare paid $185,440 for them.

Medicare services, 20241,637
Medicare patients322
Paid by Medicare$185,440
Procedure codes9

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

  • 2023
  • 2024
Tests and treatments
2023: 3612024: 792119%
Office and hospital visits
2023: 2112024: 501137%
Surgery
2023: 602024: 184207%
Drugs given in the office
2023: 02024: 160

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

  • In an office85452%
  • In a facility78348%

Dr. Lee compared with the California median for ophthalmologists, 2024

  • Dr. Lee
  • California median
Medicare services
1,637vs 1,07952% above
Medicare patients
322vs 42124% below
Part D claims
35vs 61894% below

Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.

Dr. Lee'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. Lee

Need commercial claims for Dr. Lee?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lee and other ophthalmologists in California.

Book a meeting

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

Dr. Sun Young Lee treated 322 Medicare patients in 2024, average age 74

CMS counts 322 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 133 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 51% are also on Medicaid. Their average risk score is 2.19, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 69, with 54% women.

Medicare patients, 2024322
Average age74
Average risk score2.19
Also on Medicaid51%

Dr. Lee's Medicare patients by age, 2024

Dr. Lee's Medicare patients by sex, 2024

  • Women16952%
  • Men15348%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis57%
  4. Diabetes57%
  5. Ischemic heart disease39%
  6. Chronic kidney disease35%
  7. Heart failure28%
  8. Mood disorders28%

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

Dr. Lee'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

  • Women54%
  • Men45%

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

Dr. Sun Young Lee wrote 79 Medicare Part D claims in 2024

In 2024, Dr. Lee wrote 79 Medicare Part D claims for 27 patients. 59% of them were for generic drugs. CMS names the drug for 35 of them, across 2 drugs with 11 or more claims each, at $2,472 in total drug cost. In 2021, CMS named 114 claims across 4 drugs.

Part D claims, 202479
Drugs named by CMS2
Total drug cost$2,472
Part D patients27

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

  • Generic47 claims59%
  • Brand-name32 claims41%

Dr. Lee'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, 2021 to 2024

  • 2021
  • 2024
Claims for drugs CMS names
2021: 1142024: 3569%

Drugs named by CMS: 2 in 2024, 4 in 2021.

See all prescribing by Dr. Lee

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

How Dr. Sun Young Lee takes part in Medicare

Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find ophthalmologists like Dr. Lee 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. Sun Young Lee received $97,494 in industry payments from 2016 to 2025

CMS Open Payments shows 34 general payments to Dr. Lee from 13 drug and device companies from 2016 to 2025. Grants make up the largest share, 85% of the total. Alcon Research Ltd paid the most, $93,432.

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

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

$97.5Kin total
  • Grants$83,00085%
  • Speaker and faculty fees$10,00010%
  • Food and beverage$2,8333%
  • Travel and lodging$1,6442%
  • Gifts$170%

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

Share is of all general payments to this clinician.

See all payments to Dr. Lee

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

Dr. Sun Young Lee graduated from Pusan National University College of Medicine

Dr. Lee graduated from Pusan National University College of Medicine in 1999.

  1. Medical schoolPusan National University College of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Sun Young Lee accepts plans from 8 insurance carriers

Dr. Lee is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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

Plan types Dr. Lee accepts, by number of carriers

  1. Medicare7
  2. PPO6
  3. HMO2
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Sun Young Lee'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Sun Young Lee

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. Sun Young Lee's NPI number?

Dr. Sun Young Lee's NPI number is 1649613647. It was assigned on April 10, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Sun Young Lee?

Dr. Sun Young Lee is an ophthalmologist in Los Angeles, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Sun Young Lee practice?

Dr. Lee practices at 1500 San Pablo Street, Los Angeles, CA 90033. Dr. Lee's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dmand AI also links Dr. Lee to 1 group practice or clinic, 1 other site and 1 urgent care center.

What is Dr. Sun Young Lee's office phone number?

The practice phone on file for Dr. Lee is (323) 442-8656.

What is Dr. Sun Young Lee's medical license number?

Dr. Lee holds California license A133520, one of the licenses on file in 3 states.

Which states has Dr. Sun Young Lee been licensed in?

Dmand AI has state licenses on file for Dr. Lee in California (2014 to 2026), Oklahoma (2018 to 2022) and Iowa (2016 to 2020).

Which hospitals is Dr. Sun Young Lee affiliated with?

Dr. Lee practices at Keck Hospital of USC in Los Angeles, California.

What medical group is Dr. Sun Young Lee part of?

Dr. Lee is linked to USC Care Medical Group.

Does Dr. Sun Young Lee accept Medicare?

Yes. CMS data shows Dr. Lee billed Medicare for 1,637 services in 2024, and Dr. Lee accepts Medicare assignment.

How many Medicare patients does Dr. Sun Young Lee see?

CMS counts 322 Medicare patients who saw Dr. Lee in 2024, with an average age of 74.

Show 7 more questionsShow fewer questions

Is Dr. Sun Young Lee board certified?

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

What services does Dr. Sun Young Lee bill to Medicare?

In 2024, Dr. Lee's most billed Medicare services were eye exam or test (92134), office visit, established patient (99214) and surgery: eye (67028).

Where did Dr. Sun Young Lee go to medical school?

Dr. Lee graduated from Pusan National University College of Medicine in 1999.

What drugs does Dr. Sun Young Lee prescribe most?

In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Prednisolone Acetate and Difluprednate.

Has Dr. Sun Young Lee received payments from drug or device companies?

CMS Open Payments shows $97,494 in general payments to Dr. Lee from 13 companies from 2016 to 2025. The largest total came from Alcon Research Ltd.

How long has Dr. Sun Young Lee been practicing?

Dr. Lee graduated from medical school in 1999, 27 years ago.

What insurance does Dr. Sun Young Lee accept?

Dr. Lee is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

Selling to ophthalmology practices?

See ophthalmologists 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)