DR. GARY GADDIS MD
NPI 1417060310
Emergency Medicine in Saint Louis, MO
About Dr. Gary Gaddis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GARY GADDIS MD (NPI 1417060310) is an individual emergency medicine provider in Saint Louis, Missouri, licensed in Missouri (R5J76) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Gary Gaddis Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Gary Gaddis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chillicothe, MO 64601
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1245433127 (Missouri)
- 79 clinicians in this Medicare group
Trenton, MO 64683
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: Saint Luke's Hospital Of Trenton
- Also billed through NPI 1841274057 (Missouri)
- 157 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 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Gary Gaddis's NPI number?
The NPI number for Gary Gaddis is 1417060310. It was assigned to this individual provider in the NPPES registry on August 16, 2006.
Where is Gary Gaddis located?
Gary Gaddis practices at 400 S Kingshighway Blvd, Saint Louis, MO 63110. The listed phone number is (314) 362-9123.
What is Gary Gaddis's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Gary Gaddis enrolled in Medicare?
Yes. Gary Gaddis is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Gary Gaddis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Gaddis reassigns Medicare benefits to 2 organizations: Saint Lukes Hospital Of Chillicothe (Chillicothe, MO) and Saint Lukes Hospital Of Trenton (Trenton, MO). 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 Gary Gaddis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gary Gaddis accept?
Health plans from Blue Cross and Blue Shield of Kansas City list Gary Gaddis 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 Gary Gaddis was last updated on January 24, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.