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

Mark E Johns, MD

Individual provider Medical Oncology Physician · NPI 1407040884

Mark E Johns, MD is a Hematology/Oncology in Cincinnati, Ohio. Graduated from Ohio State University College of Medicine in 2001, 25 years ago. Practices with Oncology Hematology Care Inc, a 64-clinician group and accepts Medicare assignment. Licensed in Minnesota and Ohio.

Years since qualifying
25
Trained at
Ohio State University College of Medicine
Licensed in
MN, OH
In the registry since
2007
Specialties on file
2
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

601 Ivy Gtwy Ste 1100
Cincinnati, OH 45245-1995
Phone: (513) 751-2273
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 35.125806 (OH)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 47008 (MN)

Record details

NPI number1407040884
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 29, 2007
Last updated in NPPESApril 22, 2021
Certification dateApril 22, 2021
Mailing address5053 Wooster Rd, Cincinnati, OH 45226-2326

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Oncology Hematology Care Inc — 64 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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