Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Sonya Joy Inderbitzin-Fischer, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1184128670

Sonya Joy Inderbitzin-Fischer, MD is a Hematology in Grand Rapids, Michigan. Graduated from West Virginia University School of Medicine in 2018, 8 years ago. Practices with Cancer and Hematology Centers of Western Mi, PC, a 109-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
8
Trained at
West Virginia University School of Medicine
Licensed in
MI
In the registry since
2018
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

5800 Foremost Dr SE Ste 200
Grand Rapids, MI 49546-7062
Phone: (163) 891-8006
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence 4301511732 (MI)

Record details

NPI number1184128670
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2018
Last updated in NPPESJuly 16, 2024
Certification dateJuly 16, 2024

Medicare enrollment

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

Medicare specialtyHEMATOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolWEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice Cancer And Hematology Centers Of Western Mi, P.C. — 109 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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