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Nephrology

Raffi R. Minasian, MD

Works at hospitals in Covina, CA · Glendale, CA · Northridge, CA · California

Summary

Dr. Raffi R. Minasian, MD is a nephrologist at 1505 Wilson Ter, Suite 155, Glendale, CA 91206. Phone: (818) 500-4055. Accepts Medicare assignment. In 2024, Raffi R. Minasian had 868 Original Medicare patients and 4,249 services. NPI 1306860465. 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 Raffi R. Minasian, 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 Raffi R. Minasian accept Medicare assignment?
Yes. Medicare's clinician data says Raffi R. Minasian 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 Raffi R. Minasian see?
In 2024, CMS data shows 868 Original Medicare patients and 4,249 services for Raffi R. Minasian. This counts Original Medicare only and measures volume, not quality.
What is Raffi R. Minasian's NPI number?
1306860465. 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 Raffi R. Minasian, 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 patients868
Services billed to Medicare4,249
Different services or procedures30
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)704 services
  2. Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)517 services
  3. Home dialysis services per month (20 years or older) (90966)463 services
  4. Telephone medical discussion with physician, 11-20 minutes (99442)456 services
  5. Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)417 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%
  • Diabetes75%
  • Chronic kidney disease75%
  • Arthritis70%
  • Ischemic heart disease69%

Hospitals where Raffi R. Minasian works

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

Group practices

Medicare enrollment lists Raffi R. Minasian as a member of this group (CMS data updated October 2, 2026).

  • Kidney Disease Medical Group Inc8 clinicians in the group

Specialties

Find other Nephrology doctors in California →

Other nephrologists in Glendale

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

All nephrologists in Glendale →

Other clinicians in Kidney Disease Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Southern California Keck School Of Medicine
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1306860465
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