MOHAMMED SIDDIQUI
NPI 1275917957
Internal Medicine in Oakbrook Terrace, IL
About Mohammed Siddiqui NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MOHAMMED SIDDIQUI (NPI 1275917957) is an individual internal medicine provider in Oakbrook Terrace, Illinois, licensed in Illinois (036.148532) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and maintains a secondary practice location in Flint.
NPPES Registry Identity
Specialties & Licenses
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
Mohammed Siddiqui 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
12Medicare enrollment records show Mohammed Siddiqui reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oakbrook Terrace, IL 60181
- Reassigned Medicare billing, Illinois enrollment
- 97 clinicians in this Medicare group
Naperville, IL 60564
- Reassigned Medicare billing, Illinois enrollment
- 2 clinicians in this Medicare group
Aurora, IL 60506
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Kane Physician Services PC
- 33 clinicians in this Medicare group
Aurora, IL 60506
- Reassigned Medicare billing, Illinois enrollment
- 22 clinicians in this Medicare group
Aurora, IL 60506
- Reassigned Medicare billing, Illinois enrollment
- 21 clinicians in this Medicare group
Munster, IN 46321
- Reassigned Medicare billing, Indiana enrollment
- 228 clinicians in this Medicare group
Munster, IN 46321
- Reassigned Medicare billing, Indiana enrollment
- 18 clinicians in this Medicare group
Gary, IN 46402
- Reassigned Medicare billing, Indiana enrollment
- 384 clinicians in this Medicare group
Hobart, IN 46342
- Reassigned Medicare billing, Indiana enrollment
- 44 clinicians in this Medicare group
Ottawa, IL 61350
- Reassigned Medicare billing, Illinois enrollment
- 233 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 15
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.
Presence Saint Joseph Medical Center
Acute Care Hospitals · Joliet, ILOsf Saint Elizabeth Mdl Ctr
Acute Care Hospitals · Ottawa, ILPresence Mercy Medical Center
Acute Care Hospitals · Aurora, ILOsf Saint Clare Medical Center
Critical Access Hospitals · Princeton, ILCommunity Hospital
Acute Care Hospitals · Munster, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60181 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAKBROOK TERRACE, IL 60181
OAKBROOK TERRACE, IL 60181
OAKBROOK TERRACE, IL 60181
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 Mohammed Siddiqui's NPI number?
The NPI number for Mohammed Siddiqui is 1275917957. It was assigned to this individual provider in the NPPES registry on July 13, 2015.
Where is Mohammed Siddiqui located?
Mohammed Siddiqui practices at 1s450 Summit Ave Ste 165, Oakbrook Terrace, IL 60181. The listed phone number is (630) 320-6871.
What is Mohammed Siddiqui's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mohammed Siddiqui enrolled in Medicare?
Yes. Mohammed 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 Mohammed Siddiqui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mohammed Siddiqui reassigns Medicare benefits to 12 organizations: Community Home Physicians, LLC (Oakbrook Terrace, IL), Fero Physicians Group LLC (Naperville, IL), Kane Physician Services, P.C. (Aurora, IL), Ignite Hospitalists, LLC (Aurora, IL), Integrated Wellness Consultants LLC (Aurora, IL) and 7 more organizations, listed in the Medicare section above. 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 Mohammed Siddiqui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mohammed Siddiqui accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Mohammed 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 Mohammed Siddiqui affiliated with any hospitals?
According to CMS data, Mohammed Siddiqui is affiliated with Presence Saint Joseph Medical Center, Osf Saint Elizabeth Mdl Ctr, Presence Mercy Medical Center, Osf Saint Clare Medical Center and Community Hospital.
When was this NPI record last updated?
The NPPES record for Mohammed Siddiqui was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.