MRS. SANA HASAN M.D.
NPI 1659652253
Hospitalist in Chicago, IL
About Mrs. Sana Hasan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. SANA HASAN M.D. (NPI 1659652253) is an individual hospitalist provider in Chicago, Illinois, licensed in Illinois (036123525) and active in the NPI registry since September 2011. She is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and maintains a secondary practice location in Elk Grove Village.
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
Mrs. Sana Hasan 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
3Medicare enrollment records show Sana Hasan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 1,905 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 2,237 clinicians in this Medicare group
Evanston, IL 60202
- Reassigned Medicare billing, Illinois enrollment
- 87 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 4
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.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILIngalls Memorial Hospital
Acute Care Hospitals · Harvey, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60637 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60637
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 Sana Hasan's NPI number?
The NPI number for Sana Hasan is 1659652253. It was assigned to this individual provider in the NPPES registry on September 9, 2011.
Where is Sana Hasan located?
Sana Hasan practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-1000.
What is Sana Hasan's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Sana Hasan enrolled in Medicare?
Yes. Sana Hasan 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 Sana Hasan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sana Hasan reassigns Medicare benefits to 3 organizations: The University Of Chicago Medical Center (Chicago, IL), University Of Chicago (Chicago, IL) and Cook Physician Services, P.C. (Evanston, 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 Sana Hasan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sana Hasan accept?
Health plans from Oscar Health list Sana Hasan 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 Sana Hasan affiliated with any hospitals?
According to CMS data, Sana Hasan is affiliated with The University Of Chicago Medical Center and Ingalls Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Sana Hasan was last updated on October 18, 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.
# Mrs. Sana Hasan, M.D. · NPI 1659652253
Hospitalist physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since September 9, 2011.
## Identity
- **NPI:** 1659652253 (Entity type: Individual)
- **Enumerated:** September 9, 2011
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 036123525 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 5841 S MARYLAND AVE, Chicago, IL 60637-1443
- **Phone:** (773) 702-1000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): The University Of Chicago Medical Center (NPI 1033218128, Chicago, IL); University Of Chicago (NPI 1821048786, Chicago, IL); Cook Physician Services, P.C. (NPI 1487416376, Evanston, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** October 18, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1659652253) · Data from the CMS NPPES public registry.