EVELENA ONTIVEROS MD PHD
NPI 1689886962
Internal Medicine - Hematology & Oncology in Decatur, IL
About Evelena Ontiveros Md Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EVELENA ONTIVEROS MD PHD (NPI 1689886962) is an individual hematology & oncology provider in Decatur, Illinois, licensed in Illinois (036143984) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Decatur Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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
Evelena Ontiveros Md Phd 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 Evelena Ontiveros reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Decatur, IL 62526
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Cancer Care Specialists Of Central Illinois Sc
- 36 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 72
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Decatur Memorial Hospital
Acute Care Hospitals · Decatur, ILSt Marys Hospital
Acute Care Hospitals · Decatur, ILPana Community Hospital
Critical Access Hospitals · Pana, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62526 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DECATUR, IL 62526
DECATUR, IL 62526
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 Evelena Ontiveros's NPI number?
The NPI number for Evelena Ontiveros is 1689886962. It was assigned to this individual provider in the NPPES registry on May 7, 2007.
Where is Evelena Ontiveros located?
Evelena Ontiveros practices at 210 W Mckinley Ave Ste 1, Decatur, IL 62526. The listed phone number is (217) 876-6600.
What is Evelena Ontiveros's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Evelena Ontiveros enrolled in Medicare?
Yes. Evelena Ontiveros 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 Evelena Ontiveros's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Evelena Ontiveros reassigns Medicare benefits to Cancer Care Specialists Of Central Illinois, S.C. (Decatur, IL). 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 Evelena Ontiveros's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Evelena Ontiveros accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Evelena Ontiveros 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 Evelena Ontiveros affiliated with any hospitals?
According to CMS data, Evelena Ontiveros is affiliated with Decatur Memorial Hospital, St Marys Hospital and Pana Community Hospital.
When was this NPI record last updated?
The NPPES record for Evelena Ontiveros was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.