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

Dr. John A Halerz II, MD

Individual provider Family Medicine Physician · NPI 1114375532

Dr. John A Halerz II, MD is a Family Practice in Rochester, Minnesota. Graduated from Loyola University of Chicago, Stritch School of Medicine in 2015, 11 years ago. Practices with Mayo Clinic Health System-Southeast Minnesota Region, a 561-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Illinois and Minnesota.

Years since qualifying
11
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
IL, MN
In the registry since
2016
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

210 9th St SE
Rochester, MN 55904-6756
Phone: (507) 288-3443
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 4140 Southwest Hwy, Hometown, IL 60456-1135 — (708) 422-5700
  • 4140 Southwest Hwy, Hometown, IL 60456-1135 — (708) 422-5700
  • 404 W Fountain St, Albert Lea, MN 56007 — (507) 373-2384

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 64747 (MN)
Family Medicine Physician Taxonomy 207Q00000X · Licence 125.068603 (IL)

Record details

NPI number1114375532
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 26, 2016
Last updated in NPPESFebruary 25, 2026
Certification dateFebruary 25, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Mayo Clinic Health System-Southeast Minnesota Region — 561 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Rochester