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Sports Medicine

John J. James Jr., MD

Sees patients in Avon, CT · Connecticut

Summary

John J. James Jr., MD (Sports Medicine) is enrolled with Medicare at 1 practice location in Avon, CT. NPI 1881835510. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John J. James Jr., joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Sports MedicinePrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
State University Of New York Downstate Medical CenterMedical school
MaleGender (as listed)

Quick answers

Where does John J. James Jr. see patients?
Medicare's clinician data lists 1 practice location in Avon, CT. Call before your visit to confirm the address.
What is John J. James Jr.'s specialty?
Medicare lists Sports Medicine as the primary specialty, and also Emergency Medicine.
Does John J. James Jr. accept Medicare assignment?
Yes. Medicare's clinician data says John J. James Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for John J. James Jr.?
(866) 607-2308, as listed in official Medicare / NPI Registry data.
What is John J. James Jr.'s NPI number?
1881835510. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where John J. James Jr. is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John J. James Jr. as a member of this group (CMS data updated 2026-10-02).

  • MVC Ct4 clinicians in the group

Specialties

Find other Sports Medicine doctors in Connecticut →

Other sports medicine doctors in Connecticut

Clinicians with the same Medicare primary specialty in Connecticut — not a recommendation.

All sports medicine doctors in Connecticut →

Clinician information

CredentialMD
Medical schoolState University Of New York Downstate Medical Center
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881835510
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians