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Orthopedic Surgery

Alexander J. Connaughton, MD

Works at hospitals in Worcester, MA · Massachusetts

Summary

Dr. Alexander J. Connaughton, MD is an orthopedic surgeon at 123 Summer St, Worcester, MA 01608. Phone: (508) 363-5000. Accepts Medicare assignment. In 2024, Alexander J. Connaughton had 170 Original Medicare patients and 534 services. NPI 1659781938. 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: Orthopedic surgeon (Medicare lists Orthopedic Surgery)
  • Address: 123 Summer St, Worcester, MA 01608 · Directions
  • Phone: (508) 363‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: St Vincent Hospital
  • Group practice: Reliant Medical Group Inc
  • Medical school: Michigan State University College Of Human Medicine · graduated 2014 (12 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Alexander J. Connaughton, 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 Alexander J. Connaughton accept Medicare assignment?
Yes. Medicare's clinician data says Alexander J. Connaughton 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 Alexander J. Connaughton see?
In 2024, CMS data shows 170 Original Medicare patients and 534 services for Alexander J. Connaughton. This counts Original Medicare only and measures volume, not quality.
What is Alexander J. Connaughton's NPI number?
1659781938. 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 Alexander J. Connaughton, 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 patients170
Services billed to Medicare534
Different services or procedures11
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)216 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)105 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)68 services
  4. Aspiration and/or injection of fluid from large joint (20610)51 services
  5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)43 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%
  • Arthritis74%
  • High blood pressure66%
  • Chronic kidney disease27%
  • Anxiety26%
  • COPD25%

Hospitals where Alexander J. Connaughton works

Medicare's Facility Affiliation Data lists Alexander J. Connaughton 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.

  • St Vincent HospitalWorcester, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220176

Practice locations

Addresses where Alexander J. Connaughton is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alexander J. Connaughton as a member of this group (CMS data updated October 2, 2026).

  • Reliant Medical Group Inc640 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Massachusetts →

Other orthopedic surgeons in Worcester

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

All orthopedic surgeons in Worcester →

Other clinicians in Reliant Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659781938
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