Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Diagnostic Radiology

Horng J. Lin, MD

Works at hospitals in Hollister, CA · Wailuku, HI · Salinas, CA … · California, Hawaii

Summary

Dr. Horng J. Lin, MD is a radiologist at 1095 Hiawatha Ct, Fremont, CA 94539. Phone: (209) 647-2184. May accept Medicare assignment. In 2024, Horng J. Lin had 1,488 Original Medicare patients and 11,557 services. NPI 1255395398. 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 Horng J. Lin, 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 Horng J. Lin accept Medicare assignment?
Medicare's clinician data says Horng J. Lin may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Horng J. Lin see?
In 2024, CMS data shows 1,488 Original Medicare patients and 11,557 services for Horng J. Lin. This counts Original Medicare only and measures volume, not quality.
What is Horng J. Lin's NPI number?
1255395398. 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 Horng J. Lin, 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 patients1,488
Services billed to Medicare11,557
Different services or procedures318
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)2,324 services
  2. Injection, methylprednisolone acetate, 1 mg (J1010)1,920 services
  3. Injection, fentanyl citrate, 0.1 mg (J3010)649 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)539 services
  5. Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes (99153)385 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%
  • Diabetes52%
  • Arthritis48%
  • Chronic kidney disease45%
  • Ischemic heart disease40%

Hospitals where Horng J. Lin works

Medicare's Facility Affiliation Data lists Horng J. Lin 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 Horng J. Lin is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Horng J. Lin as a member of these groups (CMS data updated October 2, 2026).

  • SVMHS Clinics259 clinicians in the group
  • Central Valley Imaging Medical Associates Inc89 clinicians in the group
  • Silicon Valley Diagnostic Imaging Inc76 clinicians in the group
  • Maui Health System a Kaiser Foundation Hospitals LLC51 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Fremont

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

All radiologists in Fremont →

Other clinicians in SVMHS Clinics

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

Clinician information

CredentialMD
Medical schoolUniversity Of Vermont College Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1255395398
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