Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Rehan Ahmed Nizamuddin, MD

Individual provider Internal Medicine Physician · NPI 1619322252

Rehan Ahmed Nizamuddin, MD practises Diagnostic Radiology in Evanston, Illinois. Graduated from University of Missouri, Kansas City, School of Medicine in 2016, 10 years ago. Practices with Endeavor Health Medical Group, a 3,348-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois and Missouri.

Years since qualifying
10
Trained at
University of Missouri, Kansas City, School of Medicine
Licensed in
IL, MO
In the registry since
2016
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2650 Ridge Ave Ste 1304
Evanston, IL 60201-1718
Phone: (224) 639-6624
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 676 N Saint Clair St Ste 800, Chicago, IL 60611-2978 — (312) 695-5753
  • 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110-1003 — (314) 362-5000

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 036156032 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125068937 (IL)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 2018014985 (MO)

Record details

NPI number1619322252
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 2, 2016
Last updated in NPPESApril 29, 2022
Certification dateApril 18, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Endeavor Health Medical Group — 3348 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients4,018
Services billed 5,146 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Endeavor Health Medical Group

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 3348 clinicians in the practice; 12 are shown here.

Other providers in Evanston