CRISTIAN DANIEL RIOS PEREZ M.D.
NPI 1871957894
Internal Medicine - Hepatology in Sioux Falls, SD
About Cristian Daniel Rios Perez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CRISTIAN DANIEL RIOS PEREZ M.D. (NPI 1871957894) is an individual hepatology provider in Sioux Falls, South Dakota, licensed in South Dakota (14339) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Spencer Municipal Hospital, and is a graduate of Other (2013).
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
Cristian Daniel Rios 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 Reassignment
Medicare enrollment records show Cristian Rios Perez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sioux Falls, SD 57110
- Reassigned Medicare billing, South Dakota enrollment
- 1,277 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 10
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spencer Municipal Hospital
Acute Care Hospitals · Spencer, IAAvera Marshall Regional Medical Ctr
Critical Access Hospitals · Marshall, MNAvera St Lukes
Acute Care Hospitals · Aberdeen, SDAvera Mckennan Hospital & University Health Center
Acute Care Hospitals · Sioux Falls, SDAvera Queen Of Peace
Critical Access Hospitals · Mitchell, SDOther Providers at the Same Location NPPES
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 Cristian Rios Perez's NPI number?
The NPI number for Cristian Rios Perez is 1871957894. It was assigned to this individual provider in the NPPES registry on April 6, 2016.
Where is Cristian Rios Perez located?
Cristian Rios Perez practices at 1600 S Highline Ave Ste 220, Sioux Falls, SD 57110. The listed phone number is (605) 322-8535.
What is Cristian Rios Perez's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hepatology, with taxonomy code 207RI0008X.
Is Cristian Rios Perez enrolled in Medicare?
Yes. Cristian Rios 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 organization bills Medicare for Cristian Rios Perez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cristian Rios Perez reassigns Medicare benefits to Avera Mckennan (Sioux Falls, SD). The 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 Cristian Rios Perez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cristian Rios Perez accept?
Health plans from Ambetter Health, Ambetter from Sunflower Health Plan, Avera Health Plans, Medica and Wellmark Health Plan of Iowa, Inc. and 1 other insurer list Cristian Rios 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 Cristian Rios Perez affiliated with any hospitals?
According to CMS data, Cristian Rios Perez is affiliated with Spencer Municipal Hospital, Avera Marshall Regional Medical Ctr, Avera St Lukes, Avera Mckennan Hospital & University Health Center and Avera Queen Of Peace.
When was this NPI record last updated?
The NPPES record for Cristian Rios Perez was last updated on March 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.