Darren Knight, MD
Ophthalmology (CMS) · Long Beach, CA
At a glance
2880 Atlantic Ave Ste 290, Long Beach, CA 90806-1716
Published activity: Cataract surgery. View counts and coverage
NPPES record updated Aug 17, 2023. 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
2880 Atlantic Ave Ste 290Long Beach, CA 90806-1716
Additional reported practice locations
139 S Alvarado StLos Angeles, CA 900572201
Phone: 3237285500 2446 W Whittier Blvd
Montebello, CA 906403041
Phone: 3237285500 1520 N Grand Ave
Santa Ana, CA 927012627
Phone: 3237285500 7100 Van Nuys Blvd Ste 100
Van Nuys, CA 914053063
Phone: 3237285500 10942 Ramona Blvd Ste A
El Monte, CA 917312644
Phone: 3237285500 2715 E Florence Ave
Huntington Park, CA 902555746
Phone: 3237285500
Education & affiliations
- Medical / professional school
- Columbia University College Of Physicians And Surgeons
- Graduation year
- 2015
- CMS specialties
- Ophthalmology
Practice groups
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.
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 | $456.58 |
Reporting companies
| Company | Amount |
|---|---|
| REGENERON HEALTHCARE SOLUTIONS, INC. | $199.09 |
| ALCON VISION LLC | $76.02 |
| GENENTECH USA, INC. | $56.26 |
| ASTELLAS PHARMA US INC | $50.14 |
| ANI PHARMACEUTICALS, INC. | $30.79 |
| ABBVIE INC. | $25.03 |
| BAUSCH & LOMB AMERICAS INC. | $19.25 |
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 (CMS)
- Taxonomy code
- 207WX0107X
- Enumeration date
- Apr 14, 2015
- Record updated
- Aug 17, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207W00000X
License reported: A147400 CA
207WX0107X · Primary
License reported: A147400 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
2880 Atlantic Ave Ste 290Long Beach, CA 90806-1716
- Phone
- (562) 534-1777
- Fax
- (562) 534-1772
Mailing address
2880 ATLANTIC AVE STE 290LONG BEACH, CA 908061716
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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