Summary

Dr. Nicholas Mezitis is an endocrinologist specializing in diabetes and metabolism, with additional expertise in internal medicine. He earned his medical degree from Medizinische Fakultaet Heidelberg Ruprecht-Karls-Universitaet Heidelberg and completed his residency at George Washington University Hospital. With 48 years of medical experience, Dr. Mezitis brings extensive knowledge to his practice. He is fluent in Chinese and German.

Dr. Mezitis practices at multiple locations throughout Ohio, including Athens and Marietta, and maintains affiliations with OhioHealth Obleness Hospital, Marietta Memorial Hospital, and Selby General Hospital. His clinical expertise focuses on managing vitamin D deficiency and type 2 diabetes in both adults and young patients. Dr. Mezitis frequently performs blood tests, complete blood counts, and thyroid-stimulating hormone tests to monitor his patients' health. Patients rate him 4.1 out of 5 stars on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.1
  • 48 years of experience
  • speaks Chinese, German
  • George Washington University Hospital
  • 4 written reviews
  • 2 specialties
  • 14 areas of expertise
  • 3 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. Nicholas Henry Elias Mezitis has 4 locations

Ohiohealth Physician Group Heritage College Diabetes And Endocrinology

75 Hospital Dr Ste 200Athens, OH 45701
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Marietta Memorial Hospital Department Of Pulmonary Medicine

803 Farson St Ste 100Belpre, OH 45714
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Marietta Memorial Hospital

401 Matthew StMarietta, OH 45750

Ohiohealth Obleness Hospital

55 Hospital DrAthens, OH 45701

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Dr. Nicholas Henry Elias Mezitis, MD
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Dr. Nicholas Henry Elias Mezitis, MDDr. Mobusher Mahmud, MDDr. Mark A Walker, MDDr. Richard Mark Bardales, MD
Endocrinology, Diabetes & MetabolismCardiovascular DiseaseInternal MedicineCardiovascular Disease
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
4.9 
48 Years of Experience 27 Years of Experience 35 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Chinese, German Speaks English Speaks English Speaks English
Athens , OHLancaster , OHGallipolis , OHLogan , OH
Med School: Medizinische Fakultaet Heidelberg Ruprecht-Karls-Universitaet Heidelberg Med School: Allama Iqbal Medical College Med School: Pennsylvania State University College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Nicholas Henry Elias Mezitis

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Nicholas Henry Elias Mezitis has the following 2 specialties

Specialty Expertise

Dr. Nicholas Henry Elias Mezitis has the following 14 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes
  • Diabetes Mellitus, Type 1
  • Diabetes, Type 2
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Internal Medicine
  • Nutrition Therapy

Certifications, License, & Education

48 Years Experience

MEDICAL LICENSE

Medical Doctor, Ohio, 2026, Active

EDUCATION & TRAINING

Residency

George Washington University Hospital

Medical School

Medizinische Fakultaet Heidelberg Ruprecht-Karls-Universitaet HeidelbergGraduated in 1978

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Frequently Asked Questions

How can I make an appointment with Dr. Nicholas Mezitis?
You can find contact information for Dr. Nicholas Mezitis here on Vitals.
Does Dr. Nicholas Mezitis accept my insurance?
You can see the insurance plans that Dr. Nicholas Mezitis accepts on their Vitals profile.
Where is Dr. Nicholas Mezitis's office located?
Dr. Nicholas Mezitis's office is located at 75 Hospital Dr Ste 200, Athens, OH, 45701.
Is Dr. Nicholas Mezitis accepting new patients?
Dr. Nicholas Mezitis is accepting new patients on Vitals. View Dr. Nicholas Mezitis's profile on Vitals to make an appointment.
Which hospitals is Dr. Nicholas Mezitis affiliated with?
Dr. Nicholas Mezitis is affiliated with Ohiohealth Obleness Hospital, Marietta Memorial Hospital, and Selby General Hospital.

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