DR. MAY HASSIB M.D
NPI 1225163207
Family Medicine in Skokie, IL
About Dr. May Hassib M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MAY HASSIB M.D (NPI 1225163207) is an individual family medicine provider in Skokie, Illinois, licensed in Illinois (036117532) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and maintains a secondary practice location in Waukegan.
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
Dr. May Hassib 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
2Medicare enrollment records show May Hassib reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Buffalo Grove, IL 60089
- Reassigned Medicare billing, Illinois enrollment
- 38 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 6
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.
Northshore University Healthsystem - Evanston Hospital
Acute Care Hospitals · Evanston, ILAdvocate Condell Medical Center
Acute Care Hospitals · Libertyville, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60077 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.
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.
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 May Hassib's NPI number?
The NPI number for May Hassib is 1225163207. It was assigned to this individual provider in the NPPES registry on February 22, 2007.
Where is May Hassib located?
May Hassib practices at 9977 Woods Dr Ste 100, Skokie, IL 60077. The listed phone number is (224) 251-2273.
What is May Hassib's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is May Hassib enrolled in Medicare?
Yes. May Hassib 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 May Hassib's services?
According to the CMS Revalidation Reassignment List (October 2026 release), May Hassib reassigns Medicare benefits to 2 organizations: Endeavor Health Medical Group (Evanston, IL) and Lake County Acute Care, LLP (Buffalo Grove, 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 May Hassib's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does May Hassib accept?
Health plans from Oscar Health list May Hassib 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 May Hassib affiliated with any hospitals?
According to CMS data, May Hassib is affiliated with Northshore University Healthsystem - Evanston Hospital and Advocate Condell Medical Center.
When was this NPI record last updated?
The NPPES record for May Hassib was last updated on August 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.