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

Dr. Gilbert Bader, MD

Individual provider Hematology & Oncology Physician · NPI 1568800738

Dr. Gilbert Bader, MD is a Hematology/Oncology in Columbus, Ohio. Qualified in 2007, 19 years ago. Practices with Osu Internal Medicine LLC, a 1,145-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Ohio and South Carolina.

Years since qualifying
19
Licensed in
OH, SC
In the registry since
2013
Specialties on file
3
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

1145 Olentangy River Rd
Columbus, OH 43212-3117
Phone: (614) 293-5066
Fax: (614) 293-9449
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 35.147802 (OH)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 83673 (SC)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 83673 (SC)

Record details

NPI number1568800738
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 10, 2013
Last updated in NPPESJuly 28, 2023
Certification dateJuly 28, 2023
Mailing address700 Ackerman Rd Ste 2120, Columbus, OH 43202-1559

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesMEDICAL ONCOLOGY
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Osu Internal Medicine Llc — 1145 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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