Summary

Dr. Ronald Koenig specializes in endocrinology, diabetes and metabolism, with additional expertise in internal medicine. He earned his medical degree from Weill Cornell Medical College and has practiced medicine for 48 years, developing extensive experience in hormone-related disorders and metabolic conditions. Dr. Koenig speaks English and brings nearly five decades of clinical knowledge to his patient care.

Dr. Koenig practices at University of Michigan Hospitals & Health Center in Ann Arbor, Michigan. He focuses on treating thyroid conditions including thyroid cancer, underactive thyroid, and thyroid nodules. His expertise includes performing thyroid hormone testing and comprehensive thyroid function evaluations to help diagnose and monitor hormone levels. Patients have given him an average rating of 4.3 out of 5 stars on Vitals.

Overview based on verified provider data

Quick Facts

  • 4.3
  • 48 years of experience
  • 41 insurance plans accepted
  • speaks English
  • Weill Cornell Medical College
  • 7 written reviews
  • 2 specialties
  • 14 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Ronald Jay Koenig has 3 locations

University Of Michigan Medical Center

1500 E Medical Center DrAnn Arbor, MI 48109
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

University Of Michigan Cs Mott Childrens Hospital

1540 E Hospital DrAnn Arbor, MI 48109

Von Voigtlander Womens Hospital

1540 E Hospital DrAnn Arbor, MI 48109

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Dr. Ronald Jay Koenig, MD
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Dr. Ronald Jay Koenig, MDDr. Joy LiDr. Muhammad Faislama JhandirDr. Sarah Elizabeth Rimar
Endocrinology, Diabetes & MetabolismDiagnostic RadiologyEmergency MedicineInternal Medicine
Accepts New Patients
4.3 
48 Years of Experience 5 Years of Experience 28 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Ann Arbor , MIAnn Arbor , MIAnn Arbor , MIChicago , IL
Med School: Weill Cornell Medical College Med School: University Of Maryland School Of Medicine Med School: Aga Khan University Medical College
Current Profile
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Insurance Plans Accepted by Dr. Ronald Jay Koenig

  • AARP
  • Aetna
  • Aetna - EPO
  • Aetna - Medicare
  • Aetna - POS
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - Medicaid
  • Blue Cross Blue Shield - Medicare
  • Blue Cross Blue Shield - PPO
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Michigan - HMO
  • Blue Cross Blue Shield of Michigan - PPO
  • Cigna
  • Cofinity
  • Health Alliance
  • McLaren Health Plan
  • McLaren Health Plan - Medicaid
  • Medicaid
  • Medicaid - Medicaid
  • Medicaid - Medicaid (HMO Plans)
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - HMO
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - HMO
  • Molina Healthcare - Medicaid
  • Molina Healthcare - Medicaid (Managed)
  • Mutual of Omaha
  • Priority Health
  • Priority Health - Medicare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicaid
  • UnitedHealthcare - Medicare
  • Wellcare
  • Wellcare - Medicare
  • Wellcare - PPO
  • Zing Health
  • Zing Health - Medicare

Medical Specialties

Dr. Ronald Jay Koenig has the following 2 specialties

Specialty Expertise

Dr. Ronald Jay Koenig has the following 14 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes
  • Fatigue
  • Gland Issues
  • Graves Disease (Thyroid Eye Disease)
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Internal Medicine
  • Thyroid Cancer
  • Thyroid Diseases

Certifications, License, & Education

48 Years Experience

Education & Training

Medical School

Graduated from Weill Cornell Medical College in 1978.

NPI Number

Dr. Koenig's NPI number is 1982787818.

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Frequently Asked Questions

Which hospitals is Dr. Ronald Jay Koenig affiliated with?
Dr. Ronald Jay Koenig is affiliated with University Of Michigan Hospitals & Health Center.
How can I make an appointment with Dr. Ronald Jay Koenig?
You can find contact information for Dr. Ronald Jay Koenig here on Vitals.
What languages does Dr. Ronald Jay Koenig speak?
Dr. Ronald Jay Koenig speaks English.
Where is Dr. Ronald Jay Koenig's office located?
Dr. Ronald Jay Koenig's office is located at 1500 E Medical Center Dr, Ann Arbor, MI, 48109.
Does Dr. Ronald Jay Koenig accept virtual/telehealth appointments?
Dr. Ronald Jay Koenig has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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