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

Mark Christopher Zemanek, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1154065886

Mark Christopher Zemanek, DO is an Internal Medicine in Cleveland, Ohio. Graduated from Ohio University, College of Osteopathic Medicine in 2022, 4 years ago. Practices with Cleveland Clinic, a 6,935-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
4
Trained at
Ohio University, College of Osteopathic Medicine
Licensed in
OH
In the registry since
2022
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

2049 E 100th St
Cleveland, OH 44106-2104
Phone: (216) 444-2200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Nutrition Specialist (Internal Medicine) (primary) Taxonomy 207RP1002X · Licence 34.018274 (OH)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1154065886
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedApril 27, 2022
Last updated in NPPESJanuary 8, 2026
Certification dateJanuary 8, 2026
Mailing address2049 E 100th St, Cleveland, OH 44106-2104

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOHIO UNIVERSITY, COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2022 (4 years in practice)
Group practice Cleveland Clinic — 6935 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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