Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

John Charles Halla, DO

Individual provider Internal Medicine Physician · NPI 1285874222

John Charles Halla, DO practises Internal Medicine in Minneapolis, Minnesota. Graduated from Arizona College of Osteopathic Medicine Mid Western University in 2008, 18 years ago. Practices with Healtheast Medical Research Institute, a 678-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
18
Trained at
Arizona College of Osteopathic Medicine Mid Western University
Licensed in
MN
In the registry since
2009
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

420 Delaware St SE
Minneapolis, MN 55455-0341 Not confirmed with CMS for 15 years — call before visiting
Phone: (612) 624-8199
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 52453 (MN)

Record details

NPI number1285874222
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMarch 4, 2009
Last updated in NPPESJuly 2, 2011

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGERIATRIC MEDICINE
Medical schoolARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY
Graduated 2008 (18 years in practice)
Group practice Healtheast Medical Research Institute — 678 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients119
Services billed 311 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Healtheast Medical Research Institute

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 678 clinicians in the practice; 12 are shown here.

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