Summary

Dr. Harold Katz treats type 2 diabetes mellitus, chronic kidney disease, and deep vein thrombosis, and practices endocrinology, diabetes and metabolism, and internal medicine. He has 40 years of experience and speaks English and Spanish.

Dr. Katz earned his medical degree from Mayo Clinic Alix School of Medicine and completed his residency at Mayo Clinic. He sees patients in Saint Paul, Minnesota, and is affiliated with United Hospital, Gillette Children's Specialty Healthcare, and M Health Fairview Bethesda Hospital. Patients on Vitals rate Dr. Katz 4.34 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.3
  • 40 years of experience
  • speaks English, Spanish
  • Mayo Clinic And Medical School
  • 13 written reviews
  • 2 specialties
  • 16 areas of expertise
  • 3 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Harold Halper Katz has 4 locations

Allina Health United Medical Specialties Clinic

225 Smith Ave N Ste 300Saint Paul, MN 55102
Mon7:00 am - 5:00 pm
Tue7:00 am - 5:00 pm
Wed7:00 am - 5:00 pm
Thu7:00 am - 5:00 pm
Fri7:00 am - 5:00 pm
SatClosed
SunClosed

United Hospital

333 Smith Ave NSaint Paul, MN 55102

M Health Fairview Saint Josephs Hospital

45 10th St WSaint Paul, MN 55102

Regions Hospital

640 Jackson StSaint Paul, MN 55101

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Dr. Harold Halper Katz, MD
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Dr. Harold Halper Katz, MDAndrew Phillip MonfortonAldo Javier Salgado HernandezSarah Lim
Endocrinology, Diabetes & MetabolismDiagnostic RadiologyPhysical Medicine & RehabilitationInfectious Disease
Accepts New Patients
4.3 
0 
0 
0 
40 Years of Experience 6 Years of Experience 10 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
Saint Paul , MNIowa City , IAMiddletown , NYShoreview , MN
Med School: Mayo Clinic Alix School Of Medicine Med School: University Of Washington School Of Medicine Med School: Univ Autonoma De Baja California Tijuana Fac De Med Y Psicologia
Current Profile
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Insurance Plans Accepted by Dr. Harold Halper Katz

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Harold Halper Katz has the following 2 specialties

Specialty Expertise

Dr. Harold Halper Katz has the following 16 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes
  • Diabetes (Types I & II)
  • Diabetes Mellitus, Type 1
  • Diabetes, Type 2
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Internal Medicine
  • Thyroid Cancer
  • Thyroid Diseases

Certifications, License, & Education

40 Years Experience

Dr. Harold Halper Katz holds an expired medical license in the state of Minnesota.

Medical License

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

Education & Training

Residency

Completed their residency at Mayo Clinic And Medical School.

Medical School

Graduated from Mayo Clinic Alix School Of Medicine in 1986.

NPI Number

Dr. Katz's NPI number is 1447211859.

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Frequently Asked Questions

Which hospitals is Dr. Harold Katz affiliated with?
Dr. Harold Katz is affiliated with United Hospital, Gillette Childrens Specialty Healthcare, and M Health Fairview Bethesda Hospital.
Where is Dr. Harold Katz's office located?
Dr. Harold Katz's office is located at 225 Smith Ave N Ste 300, Saint Paul, MN, 55102.
What languages does Dr. Harold Katz speak?
Dr. Harold Katz speaks English and Spanish.
Does Dr. Harold Katz accept my insurance?
You can see the insurance plans that Dr. Harold Katz accepts on their Vitals profile.
Is Dr. Harold Katz accepting new patients?
Dr. Harold Katz is accepting new patients on Vitals. View Dr. Harold Katz's profile on Vitals to make an appointment.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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