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

Jacob Samuel Witt, MD

Individual provider Radiation Oncology Physician · NPI 1891157871

Jacob Samuel Witt, MD is a Radiation Oncology in O Fallon, Illinois. Qualified in 2016, 10 years ago. Practices with Cancer Care Specialists of Central Illinois SC, a 28-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
10
Licensed in
IL
In the registry since
2016
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

321 Regency Park Ste 100
O Fallon, IL 62269-1887
Phone: (618) 416-7970
Fax: (618) 416-7971
Show map & directions

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

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 036150707 (IL)

Record details

NPI number1891157871
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2016
Last updated in NPPESOctober 2, 2025
Certification dateOctober 2, 2025

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Cancer Care Specialists Of Central Illinois Sc — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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