Doctor profile · Federal record

Dr. Darren Knight, MD

Retina Specialist (Ophthalmology) Physician (CMS: Ophthalmology) · Ophthalmology Physician · Long Beach, CA

  • NPI 1891181095
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 7 locations .

NPPES Updated May 11, 2026
Primary practice
2880 Atlantic Ave Ste 290
Long Beach, CA 908061716
(562) 534-1777
fax (562) 534-1772
Additional location
10942 Ramona Blvd Ste A
El Monte, CA 917312644
(323) 728-5500
Additional location
139 S Alvarado St
Los Angeles, CA 900572201
(323) 728-5500
Show 4 more locations
Additional location
1520 N Grand Ave
Santa Ana, CA 927012627
(323) 728-5500
Additional location
2446 W Whittier Blvd
Montebello, CA 906403041
(323) 728-5500
Additional location
2715 E Florence Ave
Huntington Park, CA 902555746
(323) 728-5500
Additional location
7100 van Nuys Blvd Ste 100
Van Nuys, CA 914053063
(323) 728-5500

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
August 17, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207WX0107X — NUCC code
State license (1)
California #A147400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891181095. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,289
Distinct HCPCS
10
Medicare allowed
$89,069
HCPCS Description Services Patients Avg allowed
92134 Imaging of retina 565 205 $29
67028 Injection of drug into eye 142 47 $142
92201 Extended exam of the back part of the eye with retinal drawing 123 95 $27
92014 Established patient complete exam of visual system 107 90 $141
J7999 Compounded drug, not otherwise classified 88 26 $92
92004 New patient complete exam of visual system 55 55 $167
92012 Established patient problem focused exam of visual system 50 47 $101
99214 Established patient office or other outpatient visit, 30-39 minutes 44 42 $138
J9035 Injection, bevacizumab, 10 mg 40 17 $71
92202 Extended exam of the back part of the eye with optic nerve drawing 39 35 $17

In context: peer comparison

Among 1 peers in Long Beach Retina Specialist (Ophthalmology) Physician, average services per provider: 107. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$363
Transactions
11
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 7 $265.03
Genentech USA, INC. 2 $61.10
Alimera Sciences, INC. 1 $22.31
Regeneron Healthcare Solutions, INC. 1 $14.90

By nature of payment

Food and Beverage
$363

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
790
Patients
291
Total drug cost
$115,558
Drug Type Claims Patients Total cost
Latanoprost Generic 210 73 $4,687
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 189 69 $5,357
Brimonidine Tartrate Generic 72 23 $2,691
Prednisolone Acetate Generic 66 44 $4,372
Ketorolac Tromethamine Generic 45 24 $1,635
Timolol Maleate Generic 39 14 $649
Dorzolamide Hcl Generic 38 16 $1,015
Alphagan P (Brimonidine Tartrate) Brand 31 0 $10,560
Eylea (Aflibercept) Brand 25 0 $50,181
Restasis (Cyclosporine) Brand 21 0 $25,935

Frequently asked questions

Auto-generated from federal data
What is Dr. Darren Knight's medical specialty?
Dr. Darren Knight practices Retina Specialist (Ophthalmology) Physician in Long Beach, CA.
Where does Dr. Darren Knight practice?
Dr. Darren Knight practices at 2880 Atlantic Ave Ste 290, Long Beach, CA 908061716. Office phone: 5625341777.
What is Dr. Darren Knight's NPI?
Dr. Darren Knight's National Provider Identifier (NPI) is 1891181095, issued by NPPES.
Does Dr. Darren Knight accept Medicare assignment?
Yes. Dr. Darren Knight accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Darren Knight commonly perform?
Top Medicare-reported procedures in 2023: Imaging of retina (HCPCS 92134); Injection of drug into eye (HCPCS 67028); Extended exam of the back part of the eye with retinal drawing (HCPCS 92201). Source: CMS Medicare Physician & Other Practitioners file.