Dr. Maysan Alshaar M.D.
About this NPIWhat this record shows.
NPI 1003800954 is registered to Dr. Maysan Alshaar M.D., a Pediatrics practising at 2300 N Childrens Plz, Outreach Physician Services in Chicago, Illinois. Pediatrics is the medical specialty focused on the health of infants, children, and adolescents through age 21. Dr. Maysan Alshaar M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Beyond the registryWhat this record adds.
This record carries 1 secondary identifier beyond the base NPI: Medicaid and other payer cross-references used by billers and credentialers, which the standard CMS NPPES lookup does not surface. It is enrolled in Medicare, linking to 2 PECOS enrollment records (each with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 3,550 Pediatrics providers on file in Illinois.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
Source: NPPES public registry.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20220907002347Pediatric MedicineIN
- I20250723001285Pediatric MedicineIL
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Maysan Alshaar M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Maysan Alshaar M.D. directly at (773) 880-6903.
Frequently asked
Yes. NPI 1003800954 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pediatrics is the medical specialty focused on the health of infants, children, and adolescents through age 21.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (773) 880-6903.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Maysan Alshaar M.D. is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 3,550 Pediatrics providers are registered in Illinois, and Dr. Maysan Alshaar M.D. is one of them. The figure refreshes each month from the federal source.