Summary

Dr. Guy Mulligan specializes in endocrinology with a focus on diabetes and metabolism, as well as internal medicine. He earned his medical degree from the University of Toledo College of Medicine and has been practicing for over two decades. Dr. Mulligan is fluent in both English and Spanish.

Dr. Mulligan is affiliated with Cleveland Clinic and practices in Twinsburg and Cleveland, Ohio. He frequently treats patients with vitamin D deficiency, thyroid disorders, and high cholesterol in children and teens. His expertise includes performing blood tests, thyroid hormone evaluations, and TSH testing. Patients have given Dr. Mulligan an average rating of 3.8 on Vitals.

Overview based on verified provider data

Quick Facts

  • 3.8
  • 21 years of experience
  • speaks English, Spanish
  • University Of Toledo College Of Medicine
  • 6 written reviews
  • 2 specialties
  • 18 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Guy Benjamin Mulligan has 2 locations

Cleveland Clinic Twinsburg Family Health And Surgery Center

8701 Darrow RdTwinsburg, OH 44087
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

Cleveland Clinic

9500 Euclid AveCleveland, OH 44195

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Dr. Guy Benjamin Mulligan, MD
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Dr. Guy Benjamin Mulligan, MDDr. Mi Rim KimDr. Damian FrackowiakDr. James Lee Elliott
Endocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismInternal MedicineGeriatric Medicine
3.8 
21 Years of Experience 40 Years of Experience 22 Years of Experience 45 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
Twinsburg , OHCleveland , OHCleveland , OHLakewood , OH
Med School: University Of Toledo College Of Medicine Med School: Yonsei University College Of Medicine Med School: Jagiellonian University Medical College Med School: University Of Cincinnati College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Guy Benjamin Mulligan

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

Medical Specialties

Dr. Guy Benjamin Mulligan has the following 2 specialties

Specialty Expertise

Dr. Guy Benjamin Mulligan has the following 18 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes
  • Diabetes Mellitus, Type 1
  • Diabetes, Type 2
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperprolactinemia
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Internal Medicine
  • Osteoporosis
  • Primary Hyperparathyroidism
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

21 Years Experience

Dr. Guy Benjamin Mulligan holds an expired medical license in the state of Ohio.

Medical License

Medical Doctor with an expired medical license in the state of Ohio that expired in 2026.

Education & Training

Medical School

Graduated from University Of Toledo College Of Medicine in 2005.

NPI Number

Dr. Mulligan's NPI number is 1740309962.

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Frequently Asked Questions

Where is Dr. Guy Mulligan's office located?
Dr. Guy Mulligan's office is located at 8701 Darrow Rd, Twinsburg, OH, 44087.
Which hospitals is Dr. Guy Mulligan affiliated with?
Dr. Guy Mulligan is affiliated with Cleveland Clinic.
Is Dr. Guy Mulligan accepting new patients?
Dr. Guy Mulligan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Guy Mulligan speak?
Dr. Guy Mulligan speaks English and Spanish.
Does Dr. Guy Mulligan accept virtual/telehealth appointments?
Dr. Guy Mulligan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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