DR. GARY MICHAEL ROSAS M.D.
NPI 1003843228
Family Medicine in Washington, MO
About Dr. Gary Michael Rosas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GARY MICHAEL ROSAS M.D. (NPI 1003843228) is an individual family medicine provider in Washington, Missouri, licensed in Missouri (2006036681) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
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 Michael Rosas M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Gary Rosas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85016
- Reassigned Medicare billing, Arizona enrollment
- 302 clinicians in this Medicare group
Phoenix, AZ 85015
- Reassigned Medicare billing, Arizona enrollment
- 260 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 2
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 63090 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.
WASHINGTON, MO 63090
WASHINGTON, MO 63090
WASHINGTON, MO 63090
WASHINGTON, MO 63090
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 Rosas's NPI number?
The NPI number for Gary Rosas is 1003843228. It was assigned to this individual provider in the NPPES registry on June 26, 2006.
Where is Gary Rosas located?
Gary Rosas practices at 851 E 5th St Suite 208, Washington, MO 63090. The listed phone number is (816) 808-7690.
What is Gary Rosas's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Gary Rosas enrolled in Medicare?
Yes. Gary Rosas is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Gary Rosas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Rosas reassigns Medicare benefits to 2 organizations: Arizona Acute Medical Services 1 PC (Phoenix, AZ) and Emergency Group Of Arizona Professional Corporation (Phoenix, AZ). 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 Rosas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Gary Rosas was last updated on October 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.