Chang Sup Lee, MD
Ophthalmology · Los Angeles, CA
At a glance
520 S Virgil Ave Ste 103, Los Angeles, CA 90020-1425
Published activity: Cataract surgery. View counts and coverage
NPPES record updated Apr 30, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
520 S Virgil Ave Ste 103Los Angeles, CA 90020-1425
Additional reported practice locations
1450 San Pablo St Ste 400Los Angeles, CA 900335331
Phone: 3234426335 555 N 13Th Ave
Upland, CA 917864904
Phone: 8003458979
Fax: 9099493967
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2017
- CMS specialties
- Ophthalmology
Practice groups
- Pacific Eye Institute A Medical Group Inc
- Paul J Dougherty M D Inc
- Retina-Vitreous Associates Medical Group Pc
Reported hospital affiliations
- Pih Health Good Samaritan Hospital Los Angeles, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Cataract surgery | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $925.45 |
Reporting companies
| Company | Amount |
|---|---|
| ABBVIE INC. | $213.23 |
| APELLIS PHARMACEUTICALS, INC. | $190.30 |
| NEUROTECH PHARMACEUTICALS, INC. | $159.19 |
| STRYKER CORPORATION | $155.56 |
| GENENTECH USA, INC. | $79.73 |
| ASTELLAS PHARMA US INC | $62.13 |
| ALCON VISION LLC | $30.16 |
| BAUSCH & LOMB AMERICAS INC. | $20.74 |
| Other reporting companies | $14.41 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Ophthalmology
- Taxonomy code
- 207W00000X
- Enumeration date
- Mar 24, 2017
- Record updated
- Apr 30, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207W00000X · Primary
License reported: A172874 CA
207WX0107X
License reported: A172874 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
520 S Virgil Ave Ste 103Los Angeles, CA 90020-1425
- Phone
- (404) 783-3508
- Fax
- (213) 297-7978
Mailing address
520 S VIRGIL AVE STE 103LOS ANGELES, CA 900201425
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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