JAMES R. YON M.D.
NPI 1982832549
Psychiatry & Neurology - Psychiatry in Worcester, MA
About James R. Yon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES R. YON M.D. (NPI 1982832549) is an individual psychiatry provider in Worcester, Massachusetts, licensed in Massachusetts (256816) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
James R. Yon M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show James Yon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Worcester, MA 01606
- Reassigned Medicare billing, Massachusetts enrollment
- 718 clinicians in this Medicare group
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01606 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Yon's NPI number?
The NPI number for James Yon is 1982832549. It was assigned to this individual provider in the NPPES registry on June 23, 2009.
Where is James Yon located?
James Yon practices at 5 Neponset St, Worcester, MA 01606. The listed phone number is (508) 368-7887.
What is James Yon's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is James Yon enrolled in Medicare?
Yes. James Yon is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Yon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Yon reassigns Medicare benefits to 2 organizations: Reliant Medical Group, Inc (Worcester, MA) and Umass Memorial Medical Group Inc (Worcester, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Yon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Yon accept?
Health plans from Anthem Blue Cross and Blue Shield list James Yon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for James Yon was last updated on February 8, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.