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

Dr. Hollis W. Walker, MD

Individual provider Hematology & Oncology Physician · NPI 1053622290

Dr. Hollis W. Walker, MD is a Hematology/Oncology in Elmhurst, Illinois. Graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2010, 16 years ago. Practices with Endeavor Health Medical Group, a 3,348-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
16
Trained at
Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Licensed in
IL
In the registry since
2010
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

177 E Brush Hill Rd
Elmhurst, IL 60126-5658
Phone: (331) 221-5900
Fax: (331) 221-3857
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 036.141268 (IL)

Record details

NPI number1053622290
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 22, 2010
Last updated in NPPESDecember 9, 2016

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolCLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY
Graduated 2010 (16 years in practice)
Group practice Endeavor Health Medical Group — 3348 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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