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Ophthalmology

Amir H. Guerami, MD

Sees patients in Thousand Oaks, CA · Encino, CA · Santa Monica, CA · California

Summary

Dr. Amir H. Guerami, MD is an ophthalmologist at 100 E Thousand Oaks Blvd, Suite 112, Thousand Oaks, CA 91360. Phone: (805) 409-0909. Accepts Medicare assignment. In 2024, Amir H. Guerami had 894 Original Medicare patients and 49,624 services. NPI 1457475303. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 100 E Thousand Oaks Blvd, Suite 112, Thousand Oaks, CA 91360 · Directions (2 more locations)
  • Phone: (805) 409‑0909
  • Medicare: Accepts Medicare assignment
  • Group practice: The Retina Partners
  • Medical school: Baltimore University School Of Medicine · graduated 2005 (21 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Amir H. Guerami, 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 Amir H. Guerami accept Medicare assignment?
Yes. Medicare's clinician data says Amir H. Guerami 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 Amir H. Guerami see?
In 2024, CMS data shows 894 Original Medicare patients and 49,624 services for Amir H. Guerami. This counts Original Medicare only and measures volume, not quality.
What is Amir H. Guerami's NPI number?
1457475303. 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 Amir H. Guerami, 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 patients894
Services billed to Medicare49,624
Different services or procedures36
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Injection, faricimab-svoa, 0.1 mg (J2777)39,720 services
  2. Injection, avacincaptad pegol, 0.1 mg (J2782)2,340 services
  3. Imaging of retina (92134)2,268 services
  4. Injection of drug into eye (67028)1,381 services
  5. Established patient complete exam of visual system (92014)755 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%
  • Arthritis50%
  • Ischemic heart disease36%
  • Diabetes34%
  • Chronic kidney disease24%

Practice locations

Addresses where Amir H. Guerami is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Amir H. Guerami as a member of this group (CMS data updated October 2, 2026).

  • The Retina Partners6 clinicians in the group

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in Thousand Oaks

Clinicians with the same Medicare primary specialty in Thousand Oaks, CA — not a recommendation.

All ophthalmologists in Thousand Oaks →

Other clinicians in The Retina Partners

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

Clinician information

CredentialMD
Medical schoolBaltimore University School Of Medicine
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457475303
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians