Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Harold H Katz, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1447211859

Harold H Katz, MD is an Endocrinology in Saint Paul, Minnesota. Graduated from Mayo Medical School in 1986, 40 years ago. Practices with Allina Health System, a 3,867-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Minnesota.

Years since qualifying
40
Trained at
Mayo Medical School
Licensed in
MN
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

255 Smith Ave N Ste 100
Saint Paul, MN 55102-2572
Phone: (651) 241-5000
Fax: (651) 241-7678
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 33098 (MN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 33098 (MN)

Record details

NPI number1447211859
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2006
Last updated in NPPESNovember 4, 2020
Certification dateNovember 4, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyENDOCRINOLOGY
Medical schoolMAYO MEDICAL SCHOOL
Graduated 1986 (40 years in practice)
Group practice Allina Health System — 3867 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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