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

Dennis Chan, MD

Individual provider Internal Medicine Physician · NPI 1679005243

Dennis Chan, MD is a Radiation Oncology in Maywood, Illinois. Graduated from Rush Medical College of Rush University in 2017, 9 years ago. Practices with Radiation Oncology Associates LLC, a 3-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Michigan.

Years since qualifying
9
Trained at
Rush Medical College of Rush University
Licensed in
IL, MI
In the registry since
2017
Specialties on file
4
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

2160 S 1st Ave
Maywood, IL 60153
Phone: (888) 584-7888
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4201 Saint Antoine St, Detroit, MI 48201 — (800) 527-6266

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 125.071442 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125.071442 (IL)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 4301115711 (MI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1679005243
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 1, 2017
Last updated in NPPESOctober 23, 2019

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolRUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduated 2017 (9 years in practice)
Group practice Radiation Oncology Associates Llc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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