CARLOS ALPHONSE ZAVALA MD
NPI 1053035857
Hospitalist in Chicago, IL
About Carlos Alphonse Zavala Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARLOS ALPHONSE ZAVALA MD (NPI 1053035857) is an individual hospitalist provider in Chicago, Illinois, licensed in Illinois (036177157) and active in the NPI registry since September 2022. He is enrolled in Medicare PECOS, is affiliated with Ingalls Memorial Hospital, and is a graduate of Other (2022).
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 and accepts Medicare assignment
Carlos Alphonse Zavala Md 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 Carlos Zavala reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 1,905 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 2,237 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.
Ingalls Memorial Hospital
Acute Care Hospitals · Harvey, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60637 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
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 Carlos Zavala's NPI number?
The NPI number for Carlos Zavala is 1053035857. It was assigned to this individual provider in the NPPES registry on September 27, 2022.
Where is Carlos Zavala located?
Carlos Zavala practices at 5841 S Maryland Ave # 7082, Chicago, IL 60637. The listed phone number is (773) 702-6840.
What is Carlos Zavala's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Carlos Zavala enrolled in Medicare?
Yes. Carlos Zavala 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 Carlos Zavala's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carlos Zavala reassigns Medicare benefits to 2 organizations: The University Of Chicago Medical Center (Chicago, IL) and University Of Chicago (Chicago, IL). 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 Carlos Zavala's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carlos Zavala accept?
Health plans from Oscar Health list Carlos Zavala 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 Carlos Zavala affiliated with any hospitals?
According to CMS data, Carlos Zavala is affiliated with Ingalls Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Carlos Zavala was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.