DAVID OTTO WALTERHOUSE MD
NPI 1265491062
Pediatrics - Pediatric Hematology-Oncology in Chicago, IL
About David Otto Walterhouse Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID OTTO WALTERHOUSE MD (NPI 1265491062) is an individual pediatric hematology-oncology provider in Chicago, Illinois, licensed in Illinois (036079082) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
David Otto Walterhouse Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show David Walterhouse reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60611
- Reassigned Medicare billing, Illinois enrollment
- 826 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.
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 60614
CHICAGO, IL 60614
CHICAGO, IL 60614
CHICAGO, IL 60614
CHICAGO, IL 60614
CHICAGO, IL 60614
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 David Walterhouse's NPI number?
The NPI number for David Walterhouse is 1265491062. It was assigned to this individual provider in the NPPES registry on March 21, 2006.
Where is David Walterhouse located?
David Walterhouse practices at 2300 Childrens Plaza Division Of Hematology/Oncology Box 30, Chicago, IL 60614. The listed phone number is (773) 755-6514.
What is David Walterhouse's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is David Walterhouse enrolled in Medicare?
Yes. David Walterhouse is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for David Walterhouse's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Walterhouse reassigns Medicare benefits to Lurie Children's Medical Group Inc (Chicago, 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 David Walterhouse's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for David Walterhouse was last updated on September 29, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.