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Radiation Oncology

Theodore S. Hong, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Theodore S. Hong, MD is a radiation oncologist at 148 Chestnut St, Needham, MA 02492. Phone: (781) 983-9088. Accepts Medicare assignment. In 2024, Theodore S. Hong had 401 Original Medicare patients and 4,013 services. NPI 1457342917. 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.

  • Specialty: Radiation oncologist (Medicare lists Radiation Oncology)
  • Address: 148 Chestnut St, Needham, MA 02492 · Directions (2 more locations)
  • Phone: (781) 983‑9088
  • Medicare: Accepts Medicare assignment
  • Hospitals: Beth Israel Deaconess Medical Center, Massachusetts General Hospital
  • Group practice: Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc (+1 more)
  • Medical school: University Of Connecticut School Of Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Theodore S. Hong, 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 Theodore S. Hong accept Medicare assignment?
Yes. Medicare's clinician data says Theodore S. Hong 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 Theodore S. Hong see?
In 2024, CMS data shows 401 Original Medicare patients and 4,013 services for Theodore S. Hong. This counts Original Medicare only and measures volume, not quality.
What is Theodore S. Hong's NPI number?
1457342917. 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 Theodore S. Hong, 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 patients401
Services billed to Medicare4,013
Different services or procedures33
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Ct guidance for insertion of radiation therapy fields (77014)1,651 services
  2. Calculation of radiation therapy dose (77300)434 services
  3. Radiation treatment management, 5 treatment sessions (77427)390 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)333 services
  5. Design and construction of complex radiation treatment device (77334)229 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 pressure70%
  • High cholesterol69%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)42%
  • Arthritis41%
  • Ischemic heart disease31%
  • Diabetes30%

Hospitals where Theodore S. Hong works

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

Group practices

Medicare enrollment lists Theodore S. Hong as a member of these groups (CMS data updated October 2, 2026).

  • Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc1,740 clinicians in the group
  • Dana-Farber Cancer Institute, Inc.684 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Massachusetts →

Other radiation oncologists in Needham

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

All radiation oncologists in Needham →

Other clinicians in Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Connecticut School Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1457342917
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