DR. JOHN J SILLERY D.O.
NPI 1992914105
Emergency Medicine in Chattanooga, TN
About Dr. John J Sillery D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN J SILLERY D.O. (NPI 1992914105) is an individual emergency medicine provider in Chattanooga, Tennessee, licensed in Tennessee (DO2047) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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)
Dr. John J Sillery D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show John Sillery reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chattanooga, TN 37403
- Reassigned Medicare billing, Tennessee enrollment
- 183 clinicians in this Medicare group
Maysville, KY 41056
- Reassigned Medicare billing, Tennessee enrollment
- 1,071 clinicians in this Medicare group
Grants, NM 87020
- Reassigned Medicare billing, New Mexico enrollment
- 123 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
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 John Sillery's NPI number?
The NPI number for John Sillery is 1992914105. It was assigned to this individual provider in the NPPES registry on May 22, 2007.
Where is John Sillery located?
John Sillery practices at 2525 Desales Avenue, Chattanooga, TN 37404. The listed phone number is (423) 697-0014.
What is John Sillery's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Sillery enrolled in Medicare?
Yes. John Sillery is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Sillery's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Sillery reassigns Medicare benefits to 3 organizations: Tennessee River Physicians, PLLC (Chattanooga, TN), Southeastern Emergency Physicians LLC (Maysville, KY) and Fedko Emergency Physicians New Mexico LLC (Grants, NM). 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 John Sillery's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Sillery accept?
Health plans from Wellmark Health Plan of Iowa, Inc. list John Sillery 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 John Sillery was last updated on November 18, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.