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Diagnostic Radiology

Ghiam Yamin, MD

Works at hospitals in Downey, CA · Los Angeles, CA · Whittier, CA … · California

Summary

Dr. Ghiam Yamin, MD is a radiologist at 1 Medical Plaza Dr, Roseville, CA 95661. Phone: (916) 454-6868. Accepts Medicare assignment. In 2024, Ghiam Yamin had 554 Original Medicare patients and 1,344 services. NPI 1619398104. 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 Ghiam Yamin, 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 Ghiam Yamin accept Medicare assignment?
Yes. Medicare's clinician data says Ghiam Yamin 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 Ghiam Yamin see?
In 2024, CMS data shows 554 Original Medicare patients and 1,344 services for Ghiam Yamin. This counts Original Medicare only and measures volume, not quality.
What is Ghiam Yamin's NPI number?
1619398104. 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 Ghiam Yamin, 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 patients554
Services billed to Medicare1,344
Different services or procedures69
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Ct scan head or brain without contrast (70450)388 services
  2. Ct scan of upper spine without contrast (72125)158 services
  3. Ct scan of lower spine without contrast (72131)113 services
  4. Ct scan of middle spine without contrast (72128)107 services
  5. Ct scan of blood vessels of neck with contrast (70498)85 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%
  • Arthritis56%
  • Diabetes49%
  • Depression44%
  • Ischemic heart disease41%

Hospitals where Ghiam Yamin works

Medicare's Facility Affiliation Data lists Ghiam Yamin 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 Ghiam Yamin is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 17; the Medicare profile lists all.

Group practices

Medicare enrollment lists Ghiam Yamin as a member of these groups (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group
  • Sutter Valley Medical Foundation2,500 clinicians in the group
  • Lambert Radiology Medical Group Inc67 clinicians in the group
  • Sol Radiology Inc50 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Roseville

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

All radiologists in Roseville →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialMD
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619398104
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