DR. EFRAIN RIVEROS-PEREZ M.D.
NPI 1649515339
Anesthesiology in Aurora, CO
About Dr. Efrain Riveros-perez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. EFRAIN RIVEROS-PEREZ M.D. (NPI 1649515339) is an individual anesthesiology provider in Aurora, Colorado, licensed in Colorado (DR.0055517) and active in the NPI registry since December 2012. He is enrolled in Medicare PECOS, is affiliated with Memorial University Medical Center, and is a graduate of Other (1995).
NPPES Registry Identity
Specialties & Licenses 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 and accepts Medicare assignment
Dr. Efrain Riveros-perez M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Efrain Riveros-perez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Augusta, GA 30912
- Reassigned Medicare billing, Georgia enrollment
- 159 clinicians in this Medicare group
Vidalia, GA 30474
- Reassigned Medicare billing, Georgia enrollment
- 127 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial University Medical Center
Acute Care Hospitals · Savannah, GAMedicare 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.
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 Efrain Riveros-perez's NPI number?
The NPI number for Efrain Riveros-perez is 1649515339. It was assigned to this individual provider in the NPPES registry on December 6, 2012.
Where is Efrain Riveros-perez located?
Efrain Riveros-perez practices at 12605 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 848-0000.
What is Efrain Riveros-perez's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Efrain Riveros-perez enrolled in Medicare?
Yes. Efrain Riveros-perez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Efrain Riveros-perez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Efrain Riveros-perez reassigns Medicare benefits to 2 organizations: Au Medical Associates Anesthesia Billing Services, LLC (Augusta, GA) and SE Georgia Anesthesia, LLC (Vidalia, GA). 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 Efrain Riveros-perez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Efrain Riveros-perez accept?
Health plans from Oscar Health list Efrain Riveros-perez 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.
Is Efrain Riveros-perez affiliated with any hospitals?
According to CMS data, Efrain Riveros-perez is affiliated with Memorial University Medical Center.
When was this NPI record last updated?
The NPPES record for Efrain Riveros-perez was last updated on February 29, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.