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Radiation Oncology

Hong-Yiou Lin, MD

Works at hospitals in Worcester, MA · Massachusetts

Summary

Dr. Hong-Yiou Lin, MD is a radiation oncologist at 123 Summer St, Worcester, MA 01608. Accepts Medicare assignment. In 2024, Hong-Yiou Lin had 93 Original Medicare patients and 1,372 services. NPI 1659781433. 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 Hong-Yiou 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 Hong-Yiou Lin accept Medicare assignment?
Yes. Medicare's clinician data says Hong-Yiou Lin 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 Hong-Yiou Lin see?
In 2024, CMS data shows 93 Original Medicare patients and 1,372 services for Hong-Yiou Lin. This counts Original Medicare only and measures volume, not quality.
What is Hong-Yiou Lin's NPI number?
1659781433. 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 Hong-Yiou 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 patients93
Services billed to Medicare1,372
Different services or procedures26
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Ct guidance for insertion of radiation therapy fields (77014)617 services
  2. Radiation treatment management, 5 treatment sessions (77427)176 services
  3. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)102 services
  4. Calculation of radiation therapy dose (77300)73 services
  5. Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)64 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 cholesterol75%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • High blood pressure72%
  • Arthritis32%
  • Ischemic heart disease30%
  • Diabetes29%

Hospitals where Hong-Yiou Lin works

Medicare's Facility Affiliation Data lists Hong-Yiou 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 Hong-Yiou Lin is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Hong-Yiou Lin as a member of this group (CMS data updated October 2, 2026).

  • Saint Vincent Physician Services Inc71 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Massachusetts →

Other radiation oncologists in Worcester

Clinicians with the same Medicare primary specialty in Worcester, MA — not a recommendation.

All radiation oncologists in Worcester →

Other clinicians in Saint Vincent Physician Services Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659781433
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