Darren Knight, MD
Retina Specialist (Ophthalmology) Physician · Long Beach, CA
Darren Knight, MD is a retina specialist (ophthalmology) physician with a practice address in Long Beach, California, and NPI 1891181095, issued on Apr 14, 2015. Check the license (California A147400, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Darren Knight
- Credential
- MD
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License number
- A147400 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2880 Atlantic Ave Ste 290, Long Beach, CA 90806
- Phone
- (562) 534-1777
- Enumerated
- Apr 14, 2015
- Record last updated
- Aug 17, 2023
- Fax
- (562) 534-1772
- Medicare enrollment
- Enrolled (PECOS I20190802001754); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2015
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 205 in California → Look up another NPI →
Verify Darren Knight in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A147400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024
468 Medicare Part D claims for 133 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Latanoprost100 claims
- Dorzolamide-Timolol48 claims
- Prednisolone Acetate46 claims
- Brimonidine Tartrate42 claims
- Ofloxacin25 claims
- Timolol Maleate25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $363.34
11 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Kenneth J Miller MD A Medical CorpSan Pedro, CA
- Lakewood Eye Physicians And Surgeons Inc A Medical GroupLakewood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Darren Knight among 205 retina specialist (ophthalmology) physician records in California
Darren Knight, MD is one of 205 retina specialist (ophthalmology) physician records with a practice address in California. 98% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 71% of them.
- NPI issued2015 · 71% of these records are older, 24% newer
- In a Medicare fileYes · 98% of these records are
- In the CMS Doctors and Clinicians fileYes · 92% of these records are
- Graduated2015 · median 2007 among the 189 with a school on file
- Record last updated2023 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Retina Specialist (Ophthalmology) Physician providers in California
There are 205 retina specialist (ophthalmology) physician records in California.
All 205 in California → Every provider in Long Beach → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- Anthony Debeus, MDLong Beach, CA 908071962474247
- Viren Rana, DOLong Beach, CA 908071275190969
- Roberto Roizenblatt, M.D., PH.D.Long Beach, CA 908081952564064
- Timothy Peiris, MDSanta Fe Springs, CA 906701295234276
- Eugene Chang, MDBuena Park, CA 906211265432991
- Linda Lam, M.D.Arcadia, CA 910061972663896
- Marko Popovic, MDArcadia, CA 910071720841182
- Kevin Suk, M.D.Arcadia, CA 910071326257569
Common questions
What is Darren Knight, MD's NPI number?
Darren Knight, MD's National Provider Identifier (NPI) is 1891181095, issued on Apr 14, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Darren Knight, MD located?
The NPPES record lists a practice address at 2880 Atlantic Ave Ste 290, Long Beach, CA, 90806. Phone: (562) 534-1777. Providers update this record themselves, so call before visiting.
How can I verify Darren Knight, MD's license?
NPPES lists California license number A147400, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Darren Knight, MD prescribe under Medicare Part D?
In 2024, Darren Knight, MD had 468 Medicare Part D claims for 133 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.