DR. ROBERT D SPEWAK MD
NPI 1578534236
Pediatrics in Saint Louis, MO
About Dr. Robert D Spewak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT D SPEWAK MD (NPI 1578534236) is an individual pediatrics provider in Saint Louis, Missouri, licensed in Missouri (R9A17) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Robert D Spewak Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Robert Spewak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63109
- Reassigned Medicare billing, Missouri enrollment
- 8 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63109 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63109
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 Robert Spewak's NPI number?
The NPI number for Robert Spewak is 1578534236. It was assigned to this individual provider in the NPPES registry on January 31, 2006.
Where is Robert Spewak located?
Robert Spewak practices at 6526 Lansdowne Ave, Saint Louis, MO 63109. The listed phone number is (314) 353-8777.
What is Robert Spewak's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Robert Spewak enrolled in Medicare?
Yes. Robert Spewak is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Robert Spewak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Spewak reassigns Medicare benefits to Wuca Southwest Pediatrics LLC (Saint Louis, MO). 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 Robert Spewak'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 Robert Spewak was last updated on May 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.