Quick answers
- Does Diana Katsman accept Medicare assignment?
- Yes. Medicare's clinician data says Diana Katsman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Diana Katsman see?
- In 2024, CMS data shows 633 Original Medicare patients and 15,961 services for Diana Katsman. This counts Original Medicare only and measures volume, not quality.
- What is Diana Katsman's NPI number?
- 1306003132. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Diana Katsman, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 633 |
|---|---|
| Services billed to Medicare | 15,961 |
| Different services or procedures | 40 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, faricimab-svoa, 0.1 mg (J2777)7,320 services
- Imaging of retina (92134)2,602 services
- Injection of drug into eye (67028)966 services
- Extended exam of the back part of the eye with optic nerve drawing (92202)944 services
- Extended exam of the back part of the eye with retinal drawing (92201)762 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Diabetes73%
- Arthritis56%
- Ischemic heart disease45%
- Chronic kidney disease37%
Practice locations
Addresses where Diana Katsman is enrolled with Medicare (CMS data updated October 2, 2026).
- 17310 Ventura BlvdEncino, CA 91316 (310) 748‑4579
- 4849 Van Nuys Blvd, Suite 202Sherman Oaks, CA 91403 (310) 748‑4579
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Encino
Clinicians with the same Medicare primary specialty in Encino, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Irvine, California College Of Medicine |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306003132 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians