DR. JOHARA HASSAN MD
NPI 1568417301
Internal Medicine in Naperville, IL
About Dr. Johara Hassan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHARA HASSAN MD (NPI 1568417301) is an individual internal medicine provider in Naperville, Illinois, licensed in Illinois (036109970) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital -centralia, and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Johara Hassan Md 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
9Medicare enrollment records show Johara Hassan reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hazel Crest, IL 60429
- Reassigned Medicare billing, Illinois enrollment
- 7 clinicians in this Medicare group
Hazel Crest, IL 60429
- Reassigned Medicare billing, Illinois enrollment
- 7 clinicians in this Medicare group
Hazel Crest, IL 60429
- Reassigned Medicare billing, Illinois enrollment
- 7 clinicians in this Medicare group
Dixon, IL 61021
- Reassigned Medicare billing, Illinois enrollment
- 64 clinicians in this Medicare group
Dixon, IL 61021
- Reassigned Medicare billing, Illinois enrollment
- 130 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 clinicians in this Medicare group
Urbana, IL 61801
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Carle Health Care Incorporated
- 2,516 clinicians in this Medicare group
Centralia, IL 62801
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: St Marys Hospital Centralia Illinois
- 392 clinicians in this Medicare group
Mount Vernon, IL 62864
- Reassigned Medicare billing, Illinois enrollment
- 284 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Mary's Hospital -Centralia
Acute Care Hospitals · Centralia, ILGood Samaritan Regional Hlth Center
Acute Care Hospitals · Mount Vernon, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60540 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 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Johara Hassan's NPI number?
The NPI number for Johara Hassan is 1568417301. It was assigned to this individual provider in the NPPES registry on May 23, 2006.
Where is Johara Hassan located?
Johara Hassan practices at 223 N Whispering Hills Dr, Naperville, IL 60540. The listed phone number is (929) 491-1555.
What is Johara Hassan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Johara Hassan enrolled in Medicare?
Yes. Johara Hassan 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 Johara Hassan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Johara Hassan reassigns Medicare benefits to 9 organizations: Avid Primary Care LLC (Hazel Crest, IL), Avid Urgent Care LLC (Hazel Crest, IL), Epic Med LLC (Hazel Crest, IL), Katherine Shaw Bethea Hospital (Dixon, IL), Ksb Medical Group, Inc. (Dixon, IL) and 4 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 Johara Hassan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Johara Hassan affiliated with any hospitals?
According to CMS data, Johara Hassan is affiliated with Ssm Health St Mary's Hospital -Centralia and Good Samaritan Regional Hlth Center.
When was this NPI record last updated?
The NPPES record for Johara Hassan was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Johara Hassan, MD · NPI 1568417301
Internal Medicine physician in Naperville, Illinois. Individual provider, active in the CMS NPPES registry since May 23, 2006.
## Identity
- **NPI:** 1568417301 (Entity type: Individual)
- **Enumerated:** May 23, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 036109970 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 223 N WHISPERING HILLS DR, Naperville, IL 60540-4032
- **Phone:** (929) 491-1555
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Avid Primary Care LLC (NPI 1295522688, Hazel Crest, IL); Avid Urgent Care LLC (NPI 1669269635, Hazel Crest, IL); Epic Med LLC (NPI 1174415376, Hazel Crest, IL); Katherine Shaw Bethea Hospital (NPI 1427043546, Dixon, IL); Ksb Medical Group, Inc. (NPI 1073592119, Dixon, IL); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1986
## Record status
- **NPPES last updated:** July 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1568417301) · Data from the CMS NPPES public registry.