Summary

Dr. John Mihailidis is an endocrinologist specializing in diabetes and metabolism, with additional expertise in internal medicine. He earned his medical degree from St. Georges University School of Medicine and has been practicing for 16 years. His extensive experience encompasses the comprehensive management of hormonal disorders and metabolic conditions that affect patients' daily lives.

Dr. Mihailidis practices at Great Plains Health and ThedaCare Regional Medical Center in Neenah, Wisconsin. He focuses on treating common endocrine conditions including Type 2 diabetes, osteoporosis, and thyroid disorders such as hypothyroidism. His clinical approach includes comprehensive blood testing and specialized thyroid function evaluations to accurately diagnose and monitor these conditions. Patients have given him an average rating of 3.7 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.7
  • 16 years of experience
  • St Georges University School Of Medicine
  • 2 written reviews
  • 2 specialties
  • 2 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. John Mihailidis has 3 locations

Thedacare Regional Medical Center Neenah

130 2nd StNeenah, WI 54956

Buffalo Medical Group Pc

325 Essjay RdWilliamsville, NY 14221
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

Buffalo Medical Group

3900 N Buffalo StOrchard Park, NY 14127
Mon8:30 am - 4:30 pm
Tue8:30 am - 4:30 pm
Wed8:30 am - 4:30 pm
Thu8:30 am - 4:30 pm
Fri8:30 am - 4:30 pm
SatClosed
SunClosed

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Dr. John Mihailidis, MDDr. Michael Yee Hsie, MDDr. Michael James Swift, MDDr. Shefiu Olanrewaju Shittu, MD
Endocrinology, Diabetes & MetabolismInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients
3.7 
16 Years of Experience 22 Years of Experience 17 Years of Experience 24 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English
Neenah , WIGreen Bay , WIAppleton , WIAppleton , WI
Med School: St Georges University School Of Medicine Med School: Northwestern University Feinberg School Of Medicine Med School: University Of Wisconsin School Of Medicine & Public Health Med School: Ahmadu Bello University Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Mihailidis

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. John Mihailidis has the following 2 specialties

Specialty Expertise

Dr. John Mihailidis has the following 2 areas of expertise

  • Endocrinology Diabetes & Metabolism
  • Internal Medicine

Certifications, License, & Education

16 Years Experience

Dr. John Mihailidis holds expired and active medical licenses in the states of Wisconsin and New York.

Medical License

Medical Doctor with an expired medical license in the state of Wisconsin that expired in 2025 and an active medical license in the state of New York that expires in 2026.

Education & Training

Medical School

Graduated from St Georges University School Of Medicine in 2010.

NPI Number

Dr. Mihailidis' NPI number is 1194036533.

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Frequently Asked Questions

How can I make an appointment with Dr. John Mihailidis?
You can find contact information for Dr. John Mihailidis here on Vitals.
Is Dr. John Mihailidis accepting new patients?
Dr. John Mihailidis is accepting new patients on Vitals. View Dr. John Mihailidis's profile on Vitals to make an appointment.
Does Dr. John Mihailidis accept my insurance?
You can see the insurance plans that Dr. John Mihailidis accepts on their Vitals profile.
Which hospitals is Dr. John Mihailidis affiliated with?
Dr. John Mihailidis is affiliated with Great Plains Health and THEDACARE REGIONAL MEDICAL CENTER NEENAH.
Does Dr. John Mihailidis accept virtual/telehealth appointments?
Dr. John Mihailidis has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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