HADI SIDDIQUI D.O., M.P.H.
NPI 1639361413
Internal Medicine - Gastroenterology in Morris, IL
About Hadi Siddiqui D.o., M.p.h. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HADI SIDDIQUI D.O., M.P.H. (NPI 1639361413) is an individual gastroenterology provider in Morris, Illinois, licensed in Indiana (02005178A) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Loyola Gottlieb Memorial Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Hadi Siddiqui D.o., M.p.h. 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
3Medicare enrollment records show Hadi Siddiqui reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Morris, IL 60450
- Reassigned Medicare billing, Illinois enrollment
- 207 clinicians in this Medicare group
Plainfield, IL 60544
- Reassigned Medicare billing, Illinois enrollment
- 381 clinicians in this Medicare group
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.
Areas of Expertise CMS Part B claims 11
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Loyola Gottlieb Memorial Hospital
Acute Care Hospitals · Melrose Park, ILAdventist La Grange Memorial Hospital
Acute Care Hospitals · La Grange, ILAdventist Hinsdale Hospital
Acute Care Hospitals · Hinsdale, ILLoyola University Medical Center
Acute Care Hospitals · Maywood, ILUchicago Medicine Adventhealth Bolingbrook
Acute Care Hospitals · Bolingbrook, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60450 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.
MORRIS, IL 60450
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 Hadi Siddiqui's NPI number?
The NPI number for Hadi Siddiqui is 1639361413. It was assigned to this individual provider in the NPPES registry on August 15, 2007.
Where is Hadi Siddiqui located?
Hadi Siddiqui practices at 150 W High St, Morris, IL 60450. The listed phone number is (815) 942-2932.
What is Hadi Siddiqui's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Hadi Siddiqui enrolled in Medicare?
Yes. Hadi Siddiqui 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 Hadi Siddiqui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hadi Siddiqui reassigns Medicare benefits to 3 organizations: Morris Hospital (Morris, IL), Adventist Health Partners, Inc (Plainfield, IL) and Loyola University Medical Center (Maywood, 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 Hadi Siddiqui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hadi Siddiqui accept?
Health plans from Ambetter Health and Oscar Health list Hadi Siddiqui 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 Hadi Siddiqui affiliated with any hospitals?
According to CMS data, Hadi Siddiqui is affiliated with Loyola Gottlieb Memorial Hospital, Adventist La Grange Memorial Hospital, Adventist Hinsdale Hospital, Loyola University Medical Center and Uchicago Medicine Adventhealth Bolingbrook.
When was this NPI record last updated?
The NPPES record for Hadi Siddiqui was last updated on June 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.