Summary

Dr. Diana Maas specializes in endocrinology, diabetes and metabolism, as well as internal medicine. She earned her medical degree from the Medical College of Wisconsin, where she also completed her residency training. With 41 years of clinical experience, Dr. Maas brings extensive knowledge to the care of patients with hormone-related conditions. She is fluent in both English and Spanish.

Dr. Maas practices at Froedtert Lutheran Memorial Hospital in Milwaukee, Wisconsin. She focuses on treating conditions such as hypothyroidism, hypopituitarism, and dwarfism. Her expertise includes performing thyroid hormone tests, thyroxine testing, and thyroid-stimulating hormone evaluations to help diagnose and monitor endocrine disorders. Patients have given her an average rating of 5.0 on Vitals.

Overview based on verified provider data

Quick Facts

  • 5
  • 41 years of experience
  • speaks English, Spanish
  • Medical College Of Wisconsin
  • 4 written reviews
  • 2 specialties
  • 19 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 3 office locations
  • Female

Patients’ Perspective

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

Office Locations

Dr. Diana Lee Maas has 3 locations

Froedtert And Medical College Of Wisconsin Occupational Health

9200 W Wisconsin AveMilwaukee, WI 53226
Mon7:00 am - 4:30 pm
Tue7:00 am - 4:30 pm
Wed7:00 am - 4:30 pm
Thu7:00 am - 4:30 pm
Fri7:00 am - 4:30 pm
SatClosed
SunClosed

Froedtert Lutheran Memorial Hospital

9200 W Wisconsin AveMilwaukee, WI 53226

Froedtert Lutheran Memorial Hospital

900 N 92nd StMilwaukee, WI 53226

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Dr. Diana Lee Maas, MD
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Dr. Diana Lee Maas, MDTerrence D HessDr. Ashok C Choithani, MDDr. Lawrence S Tolson, MD
Endocrinology, Diabetes & MetabolismInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients
41 Years of Experience 40 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks Spanish, English Speaks English Speaks English
Milwaukee , WIMilwaukee , WIMilwaukee , WIMadison , WI
Med School: Medical College Of Wisconsin Med School: Ross University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Diana Lee Maas

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

Medical Specialties

Dr. Diana Lee Maas has the following 2 specialties

Specialty Expertise

Dr. Diana Lee Maas has the following 19 areas of expertise

  • Acromegaly
  • Addison Disease
  • Adrenal Gland Diseases
  • Cushing Disease
  • Diabetes
  • Diabetes (Types I & II)
  • Diabetes, Type 2
  • Endocrinology
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Internal Medicine
  • Osteoporosis
  • Pituitary Diseases
  • Pituitary Gland Cancer
  • Thyroid Diseases

Certifications, License, & Education

41 Years Experience

Education & Training

Residency

Completed their residency at Medical College Of Wisconsin.

Medical School

Graduated from Medical College Of Wisconsin in 1985.

NPI Number

Dr. Maas' NPI number is 1427009273.

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Frequently Asked Questions

How can I make an appointment with Dr. Diana Maas?
You can find contact information for Dr. Diana Maas here on Vitals.
Where is Dr. Diana Maas's office located?
Dr. Diana Maas's office is located at 9200 W Wisconsin Ave, Milwaukee, WI, 53226.
Does Dr. Diana Maas accept my insurance?
You can see the insurance plans that Dr. Diana Maas accepts on their Vitals profile.
Which hospitals is Dr. Diana Maas affiliated with?
Dr. Diana Maas is affiliated with Froedtert Lutheran Memorial Hospital.
Does Dr. Diana Maas accept virtual/telehealth appointments?
Dr. Diana Maas has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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