Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Ophthalmology

Kouros Nourimahdavi, MD

Works at hospitals in Los Angeles, CA · California

Summary

Dr. Kouros Nourimahdavi, MD is an ophthalmologist at 200 Medical Plaza, Los Angeles, CA 90095. Phone: (310) 825-5000. Accepts Medicare assignment. In 2024, Kouros Nourimahdavi had 1,405 Original Medicare patients and 3,087 services. NPI 1326225137. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 200 Medical Plaza, Los Angeles, CA 90095 · Directions
  • Phone: (310) 825‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Ronald Reagan UCLA Medical Center
  • Group practice: Jules Stein Eye Institute Medical Group
  • Medical school: graduated 1989 (37 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Kouros Nourimahdavi, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Kouros Nourimahdavi accept Medicare assignment?
Yes. Medicare's clinician data says Kouros Nourimahdavi 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 Kouros Nourimahdavi see?
In 2024, CMS data shows 1,405 Original Medicare patients and 3,087 services for Kouros Nourimahdavi. This counts Original Medicare only and measures volume, not quality.
What is Kouros Nourimahdavi's NPI number?
1326225137. 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 Kouros Nourimahdavi, 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 patients1,405
Services billed to Medicare3,087
Different services or procedures42
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient complete exam of visual system (92014)909 services
  2. Established patient problem focused exam of visual system (92012)762 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)616 services
  4. Exam of the internal drainage system of eye (92020)217 services
  5. Ultrasound scan of cornea to determine thickness (76514)119 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 cholesterol75%
  • High blood pressure73%
  • Arthritis55%
  • Ischemic heart disease35%
  • Diabetes33%
  • Osteoporosis27%

Hospitals where Kouros Nourimahdavi works

Medicare's Facility Affiliation Data lists Kouros Nourimahdavi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Kouros Nourimahdavi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kouros Nourimahdavi as a member of this group (CMS data updated October 2, 2026).

  • Jules Stein Eye Institute Medical Group119 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in Los Angeles

Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.

All ophthalmologists in Los Angeles →

Other clinicians in Jules Stein Eye Institute Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326225137
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians