Summary

Dr. Kathryn Diemer specializes in internal medicine with advanced training in endocrinology, diabetes, and metabolism. She earned her medical degree from the University of Missouri-Kansas City School of Medicine and completed her residency at Barnes Jewish Hospital. With four decades of experience in medicine, Dr. Diemer brings extensive knowledge to the care of patients with hormonal and metabolic conditions. She is fluent in English.

Dr. Diemer practices at several leading medical centers throughout Saint Louis, Missouri, including Barnes Jewish Hospital, Missouri Baptist Medical Center, and Barnes Jewish West County Hospital. Her expertise includes helping patients manage back pain during pregnancy and addressing back pain in children and teens. She also provides care for patients experiencing flank pain. Dr. Diemer offers bone density testing and incorporates physical therapy and strength training into treatment plans when appropriate. Patients have given her an average rating of 4.5 out of 5 stars.
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Quick Facts

  • 4.5
  • 41 years of experience
  • speaks English
  • Barnes Jewish Hospital
  • 2 written reviews
  • 2 specialties
  • 17 areas of expertise
  • 2 board certifications
  • 5 hospital affiliations
  • 6 office locations
  • Female

Office Locations

Dr. Kathryn Mcguire Diemer has 6 locations

Washington University School Of Medicine Bone Health Program

10 Barnes West Dr Ste 200Saint Louis, MO 63141
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

Barnes-Jewish West County Hospital Medical Building Two

10 Barnes West Dr Ste 200Creve Coeur, MO 63141

Barnes Jewish West County Hospital

12634 Olive BlvdCreve Coeur, MO 63141

Missouri Baptist Medical Center

3015 N Ballas RdSaint Louis, MO 63131

Saint Louis Childrens Hospital

1 Childrens PlSaint Louis, MO 63110

Barnes Jewish Hospital

1 Barnes Jewish Hospital PlzSaint Louis, MO 63110

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Dr. Kathryn Mcguire Diemer, MD
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Dr. Kathryn Mcguire Diemer, MDDr. Siroth Charnond, MDDr. Michael Albrecht, MDEric Harker
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients
4.5 
3.2 
3.9 
41 Years of Experience 31 Years of Experience 14 Years of Experience 25 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
Saint Louis , MOFLORISSANT , MOLANSING , KSLyons , CO
Med School: University Of Missouri-Kansas City School Of Medicine Med School: University of Mo-Kansas City Sch of Med, Kansas City Mo Med School: University Of Kansas School Of Medicine Med School: Duke University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Kathryn Mcguire Diemer

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

Medical Specialties

Dr. Kathryn Mcguire Diemer has the following 2 specialties

Specialty Expertise

Dr. Kathryn Mcguire Diemer has the following 17 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes (Types I & II)
  • Endocrine Bone Diseases
  • Endocrinology, Diabetes & Metabolism
  • Fatigue
  • Gland Issues
  • Hormones
  • Hypercalcemia
  • Hyperthyroidism
  • Hypocalcemia
  • Hypopituitarism
  • Hypothyroidism
  • Metabolic Bone Diseases
  • Osteitis Deformans (Paget's Disease)
  • Osteoporosis

Certifications, License, & Education

41 Years Experience

MEDICAL LICENSE

Medical Doctor, Missouri, 2026, Expired

EDUCATION & TRAINING

Residency

Barnes Jewish Hospital

Medical School

University Of Missouri-Kansas City School Of MedicineGraduated in 1985

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Frequently Asked Questions

How can I make an appointment with Dr. Kathryn Diemer?
You can find contact information for Dr. Kathryn Diemer here on Vitals.
Does Dr. Kathryn Diemer accept my insurance?
You can see the insurance plans that Dr. Kathryn Diemer accepts on their Vitals profile.
What languages does Dr. Kathryn Diemer speak?
Dr. Kathryn Diemer speaks English.
Where is Dr. Kathryn Diemer's office located?
Dr. Kathryn Diemer's office is located at 10 Barnes West Dr Ste 200, Saint Louis, MO, 63141.
Does Dr. Kathryn Diemer accept virtual/telehealth appointments?
Dr. Kathryn Diemer has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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