SAUL ALEJANDRO RIOS HERRERA M.D.
NPI 1184170433
Internal Medicine in Little Rock, AR
About Saul Alejandro Rios Herrera M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAUL ALEJANDRO RIOS HERRERA M.D. (NPI 1184170433) is an individual internal medicine provider in Little Rock, Arkansas, licensed in Arkansas (E-19648) and active in the NPI registry since August 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2014).
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)
Saul Alejandro Rios Herrera M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Saul Rios Herrera reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Little Rock, AR 72211
- Reassigned Medicare billing, Arkansas enrollment
- 169 clinicians in this Medicare group
Little Rock, AR 72211
- Reassigned Medicare billing, Arkansas enrollment
- 123 clinicians in this Medicare group
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 5,251 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 72211 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.
LITTLE ROCK, AR 72211
LITTLE ROCK, AR 72211
LITTLE ROCK, AR 72211
LITTLE ROCK, AR 72211
LITTLE ROCK, AR 72211
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 Saul Rios Herrera's NPI number?
The NPI number for Saul Rios Herrera is 1184170433. It was assigned to this individual provider in the NPPES registry on August 28, 2016.
Where is Saul Rios Herrera located?
Saul Rios Herrera practices at 7 Shackleford West Blvd, Little Rock, AR 72211. The listed phone number is (501) 644-5860.
What is Saul Rios Herrera's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Saul Rios Herrera enrolled in Medicare?
Yes. Saul Rios Herrera is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Saul Rios Herrera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Saul Rios Herrera reassigns Medicare benefits to 3 organizations: Arkansas Heart Hospital, LLC (Little Rock, AR), Arkansas Heart Hospital Rural Health Services, LLC (Little Rock, AR) and Montefiore Medical Center (New York, NY). 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 Saul Rios Herrera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Saul Rios Herrera accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Saul Rios Herrera 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 Saul Rios Herrera was last updated on December 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.