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

Individual provider Pediatric Hematology & Oncology Physician · NPI 1538263140

William S Ferguson, MD is a Hematology/Oncology in Saint Louis, Missouri. Graduated from New York University School of Medicine in 1982, 44 years ago. Practices with SSM Health Care Group, a 923-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
44
Trained at
New York University School of Medicine
Licensed in
MO
In the registry since
2006
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

1465 S Grand Blvd
Saint Louis, MO 63104-1003
Phone: (314) 577-5638
Fax: (314) 268-4081
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 2004006664 (MO)

Record details

NPI number1538263140
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 12, 2006
Last updated in NPPESJanuary 11, 2021
Certification dateJanuary 11, 2021
Mailing address1465 S Grand Blvd, Saint Louis, MO 63104-1003

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesPEDIATRIC MEDICINE
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 1982 (44 years in practice)
Group practice Ssm Health Care Group — 923 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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