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

Dr. James B Gerstner, MD

Individual provider Hematology & Oncology Physician · NPI 1285633503

Dr. James B Gerstner, MD is a Hematology & Oncology Physician in Peoria, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

8940 N Wood Sage Rd
Peoria, IL 61615-7822
Phone: (309) 243-3000
Fax: (309) 243-3050
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X (IL)

Record details

NPI number1285633503
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 19, 2005
Last updated in NPPESJuly 13, 2026
Mailing address8940 N Wood Sage Rd, Peoria, IL 61615-7822

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