STEVE WARREN HANDOYO MD
NPI 1033296801
Pediatrics - Pediatric Allergy/Immunology in Chicago, IL
About Steve Warren Handoyo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVE WARREN HANDOYO MD (NPI 1033296801) is an individual pediatric allergy/immunology provider in Chicago, Illinois, licensed in Illinois (036116788) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and maintains a secondary practice location in Kansas City.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Steve Warren Handoyo 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 Steve Handoyo 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 and Indiana enrollments
- 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.
Areas of Expertise CMS Part B claims 6
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILMedicare 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.
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 Steve Handoyo's NPI number?
The NPI number for Steve Handoyo is 1033296801. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is Steve Handoyo located?
Steve Handoyo practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-6169.
What is Steve Handoyo's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Allergy/Immunology, with taxonomy code 2080P0201X.
Is Steve Handoyo enrolled in Medicare?
Yes. Steve Handoyo 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 Steve Handoyo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steve Handoyo 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 Steve Handoyo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steve Handoyo accept?
Health plans from Oscar Health list Steve Handoyo 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 Steve Handoyo affiliated with any hospitals?
According to CMS data, Steve Handoyo is affiliated with The University Of Chicago Medical Center.
When was this NPI record last updated?
The NPPES record for Steve Handoyo was last updated on December 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.
# Steve Warren Handoyo, MD · NPI 1033296801
Pediatric Allergy/Immunology physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since November 1, 2006.
## Identity
- **NPI:** 1033296801 (Entity type: Individual)
- **Enumerated:** November 1, 2006
- **Primary specialty:** Pediatrics - Pediatric Allergy/Immunology · taxonomy 2080P0201X
- **State license:** 036116788 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5841 S MARYLAND AVE, Chicago, IL 60637-1443
- **Phone:** (773) 702-6169 · **Fax:** (773) 834-8120
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The University Of Chicago Medical Center (NPI 1033218128, Chicago, IL); University Of Chicago (NPI 1821048786, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** December 2, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1033296801) · Data from the CMS NPPES public registry.