MOHAMMAD SAMEER ZAHEERULLAH M.D.
NPI 1295978526
Internal Medicine - Pulmonary Disease in Chicago Ridge, IL
About Mohammad Sameer Zaheerullah M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MOHAMMAD SAMEER ZAHEERULLAH M.D. (NPI 1295978526) is an individual pulmonary disease provider in Chicago Ridge, Illinois, licensed in Illinois (036149086) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and maintains a secondary practice location in Oak Lawn.
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
Mohammad Sameer Zaheerullah M.d. 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
4Medicare enrollment records show Mohammad Zaheerullah reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palos Heights, IL 60463
- Reassigned Medicare billing, Illinois enrollment
- 52 clinicians in this Medicare group
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1629441027 (Illinois)
- 4,870 clinicians in this Medicare group
Oakbrook Terrace, IL 60181
- Reassigned Medicare billing, Illinois enrollment
- 43 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 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 16
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Trinity Hospital
Acute Care Hospitals · Chicago, ILSaint Anthony Hospital
Acute Care Hospitals · Chicago, ILOsf Little Company Of Mary Medical Center
Acute Care Hospitals · Evergreen Park, ILAdvocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60415 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 11
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO RIDGE, IL 60415
CHICAGO RIDGE, IL 60415
CHICAGO RIDGE, IL 60415
CHICAGO RIDGE, IL 60415
CHICAGO RIDGE, IL 60415
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 Mohammad Zaheerullah's NPI number?
The NPI number for Mohammad Zaheerullah is 1295978526. It was assigned to this individual provider in the NPPES registry on April 16, 2009.
Where is Mohammad Zaheerullah located?
Mohammad Zaheerullah practices at 10604 Southwest Hwy Ste 107, Chicago Ridge, IL 60415. The listed phone number is (708) 422-0636.
What is Mohammad Zaheerullah's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Mohammad Zaheerullah enrolled in Medicare?
Yes. Mohammad Zaheerullah 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 Mohammad Zaheerullah's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mohammad Zaheerullah reassigns Medicare benefits to 4 organizations: Midwest Pulmonary Critical Care & Sleep Consultants LLC (Palos Heights, IL), Advocate Health And Hospitals Corporation (Oak Lawn, IL), Cardiorenal Therapeutics Of Illinois PLLC (Oakbrook Terrace, IL) and Osf Multi-Specialty Group (Peoria, 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 Mohammad Zaheerullah's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mohammad Zaheerullah accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Mohammad Zaheerullah 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 Mohammad Zaheerullah affiliated with any hospitals?
According to CMS data, Mohammad Zaheerullah is affiliated with Advocate Trinity Hospital, Saint Anthony Hospital, Osf Little Company Of Mary Medical Center and Advocate Christ Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Mohammad Zaheerullah was last updated on October 10, 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.