SEAN DIAMOND MD
NPI 1023082161
Pediatrics in Maywood, IL
About Sean Diamond Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN DIAMOND MD (NPI 1023082161) is an individual pediatrics provider in Maywood, Illinois, licensed in Illinois (36072032) and active in the NPI registry since February 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)
Sean Diamond Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sean Diamond reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Maywood, IL 60153
- Reassigned Medicare billing, Illinois enrollment
- 1,138 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 60153 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MAYWOOD, IL 60153
MAYWOOD, IL 60153
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 Sean Diamond's NPI number?
The NPI number for Sean Diamond is 1023082161. It was assigned to this individual provider in the NPPES registry on February 15, 2006.
Where is Sean Diamond located?
Sean Diamond practices at 2160 S 1st Ave (16621 S. 107th Court, Oarland Park, Il. 60467), Maywood, IL 60153. The listed phone number is (708) 873-7355.
What is Sean Diamond's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Sean Diamond enrolled in Medicare?
Yes. Sean Diamond is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sean Diamond's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Diamond reassigns Medicare benefits to Loyola University Medical Center (Maywood, 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 Sean Diamond'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 Sean Diamond was last updated on June 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.