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Diagnostic Radiology

Long N. Trinh, MD

Works at hospitals in Mountain View, CA · Santa Clara, CA · San Jose, CA … · California

Summary

Dr. Long N. Trinh, MD is a radiologist at 1991 McKee Rd, San Jose, CA 95116. Phone: (408) 885-7366. Accepts Medicare assignment. In 2024, Long N. Trinh had 1,834 Original Medicare patients and 2,966 services. NPI 1780844340. 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 Long N. Trinh, 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 Long N. Trinh accept Medicare assignment?
Yes. Medicare's clinician data says Long N. Trinh 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 Long N. Trinh see?
In 2024, CMS data shows 1,834 Original Medicare patients and 2,966 services for Long N. Trinh. This counts Original Medicare only and measures volume, not quality.
What is Long N. Trinh's NPI number?
1780844340. 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 Long N. Trinh, 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 patients1,834
Services billed to Medicare2,966
Different services or procedures131
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. X-ray of chest, 1 view (71045)617 services
  2. X-ray of chest, 2 views (71046)248 services
  3. Screening mammography (77067)236 services
  4. Ct scan head or brain without contrast (70450)128 services
  5. X-ray of abdomen, 1 view (74018)95 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 cholesterol66%
  • Diabetes45%
  • Arthritis37%
  • Chronic kidney disease26%
  • Ischemic heart disease25%

Hospitals where Long N. Trinh works

Medicare's Facility Affiliation Data lists Long N. Trinh 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 Long N. Trinh is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.

Group practices

Medicare enrollment lists Long N. Trinh as a member of these groups (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group
  • County of Santa Clara1,022 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in San Jose

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

All radiologists in San Jose →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780844340
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