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Neurosurgery

Ramin Amirnovin, MD

Works at hospitals in Pomona, CA · Glendora, CA · Covina, CA … · California

Summary

Dr. Ramin Amirnovin, MD is a neurosurgeon at 1015 N 1st Ave, Arcadia, CA 91006. Phone: (909) 450-0369. Accepts Medicare assignment. In 2024, Ramin Amirnovin had 222 Original Medicare patients and 586 services. NPI 1497736334. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Ramin Amirnovin, 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 Ramin Amirnovin accept Medicare assignment?
Yes. Medicare's clinician data says Ramin Amirnovin 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 Ramin Amirnovin see?
In 2024, CMS data shows 222 Original Medicare patients and 586 services for Ramin Amirnovin. This counts Original Medicare only and measures volume, not quality.
What is Ramin Amirnovin's NPI number?
1497736334. 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 Ramin Amirnovin, 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 patients222
Services billed to Medicare586
Different services or procedures43
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Mri scan of lower spinal canal without contrast (72148)90 services
  2. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)83 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)71 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)45 services
  5. Ct scan head or brain without contrast (70450)40 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%
  • Arthritis75%
  • Diabetes44%
  • Chronic kidney disease36%
  • Ischemic heart disease27%

Hospitals where Ramin Amirnovin works

Medicare's Facility Affiliation Data lists Ramin Amirnovin 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 Ramin Amirnovin is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Scott C Lederhaus MD and Lew B Disney MD PRT Lederhaus Scott C Gen PTR14 clinicians in the group

Specialties

Find other Neurosurgery doctors in California →

Other neurosurgeons in Arcadia

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

All neurosurgeons in Arcadia →

Other clinicians in Scott C Lederhaus MD and Lew B Disney MD PRT Lederhaus Scott C Gen PTR

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

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497736334
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