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

Dr. William A. Fabricius, MD

Individual provider Hematology & Oncology Physician · NPI 1568698645

Dr. William A. Fabricius, MD is a Hematology/Oncology in Greenville, Michigan. Qualified in 2002, 24 years ago. Practices with Cancer and Hematology Centers of Western Mi, PC, a 109-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
24
Licensed in
ME
In the registry since
2009
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

615 S Bower St
Greenville, MI 48838-2614
Phone: (616) 954-9800
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 MD20974 (ME)

Record details

NPI number1568698645
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 3, 2009
Last updated in NPPESJuly 6, 2021
Certification dateJuly 6, 2021
Mailing address5800 Foremost Dr Se Ste 300, Grand Rapids, MI 49546-7062

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 2002 (24 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
Practice locations5 on file with Medicare