Darren Knight, MD
NPI 1891181095 · Retina Specialist (Ophthalmology) Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darren Knight, MD is a Retina Specialist (Ophthalmology) Physician provider in Long Beach, CA (NPI 1891181095).
Provider details
- NPI number
- 1891181095
- Entity type
- Individual
- Primary specialty
- Retina Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A147400 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
7 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,004 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Imaging of Retina92134 | 1,153 | $33 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 478 | $26 |
| Injection of Drug Into Eye67028 | 332 | $138 |
| Established Patient Complete Exam of Visual System92014 | 293 | $139 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 221 | $138 |
| Compounded Drug, Not Otherwise ClassifiedJ7999 | 130 | $93 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 100 | 33 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 48 | 23 |
| Prednisolone Acetate | 46 | 28 |
| Brimonidine Tartrate | 42 | 13 |
| Ofloxacin | 25 | 20 |
| Timolol Maleate | 25 | — |
| Cyclosporinebrand: Restasis | 23 | — |
| Atropine Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$363 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (6)
- 10942 Ramona Blvd Ste aEl Monte, CA 91731-2644Phone: (323) 728-5500
- 2715 E Florence AveHuntington Park, CA 90255-5746Phone: (323) 728-5500
- 139 S Alvarado StLos Angeles, CA 90057-2201Phone: (323) 728-5500
- 2446 W Whittier BlvdMontebello, CA 90640-3041Phone: (323) 728-5500
- 1520 N Grand AveSanta Ana, CA 92701-2627Phone: (323) 728-5500
- 7100 Van Nuys Blvd Ste 100Van Nuys, CA 91405-3063Phone: (323) 728-5500
Registry dates
- Enumerated
- 2015-04-14
- Last updated
- 2023-08-17
- Certified
- 2023-08-17
Frequently asked questions
- What is Darren Knight's NPI number?
- Darren Knight's National Provider Identifier (NPI) is 1891181095, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darren Knight's specialty?
- Darren Knight is listed in the NPPES registry with a primary specialty of Retina Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Darren Knight located?
- Darren Knight's practice location on file with NPPES is 2880 Atlantic Ave Ste 290, Long Beach, CA 90806-1716.
- What is Darren Knight's phone number?
- The practice phone number listed in the NPPES registry for Darren Knight is (562) 534-1777.
- Does Darren Knight accept Medicare?
- Darren Knight is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darren Knight's NPI active?
- Yes — Darren Knight's NPI (1891181095) is active in the NPPES registry as of the last update on 2023-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.