Benjamin Arthur Katz, M.D.
Ophthalmology Physician · Corona, CA
Benjamin Arthur Katz, M.D. is an ophthalmology physician with a practice address in Corona, California, and NPI 1598907883, issued on Apr 1, 2009. Check the license (California A125772, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Benjamin Arthur Katz
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A125772 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1124 S Main St, Corona, CA 92882
- Phone
- (951) 737-6363
- Enumerated
- Apr 1, 2009
- Record last updated
- Feb 4, 2022
- Medicare enrollment
- Enrolled (PECOS I20160801002430); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2009
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 1124 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samantha Johnson, DOOphthalmology Physician1457840035
- Kun Hee Lim, ODOptometrist1801422688
- Kenneth McKenzie, ODOptometrist1750324471
- Mark Schneider, M.D.Ophthalmology Physician1134296767
- Katy Wan, ODOptometrist1245682061
Verify Benjamin Arthur Katz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A125772Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average ophthalmology physician in 2024
3,189 Medicare Part D claims for 847 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Latanoprost1,036 claims
- Prednisolone Acetate566 claims
- Dorzolamide-Timolol456 claims
- Timolol Maleate261 claims
- Brimonidine Tartrate243 claims
- Diclofenac Sodium203 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: $97.96
4 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Surgical Vision, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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 one group practice
- Kaiser Foundation Health Plan OF The NorthwestSalem, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamin Arthur Katz among 2,899 ophthalmology physician records in California
Benjamin Arthur Katz, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 72% of them.
- NPI issued2009 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2009 · median 2001 among the 1,907 with a school on file
- Record last updated2022 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Corona → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Samantha Johnson, DOCorona, CA 928821457840035
- Mark Schneider, M.D.Corona, CA 928821134296767
- Ahmad Mansury, M.D.Corona, CA 928831992960827
- Morton Israel, M.D.Corona, CA 928791902817158
- Angelita Palanca-Capistrano, M.D.Corona, CA 928791578526521
- Robert Collier, M.D.Yorba Linda, CA 928861790175651
- Shaival Shah, M.D.Yorba Linda, CA 928871912164708
- Peter Glickman, M.D.Placentia, CA 928701851644587
Common questions
What is Benjamin Arthur Katz, M.D.'s NPI number?
Benjamin Arthur Katz, M.D.'s National Provider Identifier (NPI) is 1598907883, issued on Apr 1, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Arthur Katz, M.D. located?
The NPPES record lists a practice address at 1124 S Main St, Corona, CA, 92882. Phone: (951) 737-6363. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Arthur Katz, M.D.'s license?
NPPES lists California license number A125772, 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 Benjamin Arthur Katz, M.D. prescribe under Medicare Part D?
In 2024, Benjamin Arthur Katz, M.D. had 3,189 Medicare Part D claims for 847 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.