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Internal Medicine

Zachary P. Kaltenborn, MD

Works at hospitals in Minneapolis, MN · Minnesota

Summary

Dr. Zachary P. Kaltenborn, MD is an internal medicine doctor at 5366 386th Nest, North Branch, MN 55056. Phone: (651) 674-8353. Accepts Medicare assignment. In 2024, Zachary P. Kaltenborn had 68 Original Medicare patients and 173 services. NPI 1790077873. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Zachary P. Kaltenborn, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Zachary P. Kaltenborn accept Medicare assignment?
Yes. Medicare's clinician data says Zachary P. Kaltenborn accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Zachary P. Kaltenborn see?
In 2024, CMS data shows 68 Original Medicare patients and 173 services for Zachary P. Kaltenborn. This counts Original Medicare only and measures volume, not quality.
What is Zachary P. Kaltenborn's NPI number?
1790077873. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Zachary P. Kaltenborn, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients68
Services billed to Medicare173
Different services or procedures11
Participating Medicare providerYes
Average age of these patients62

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)58 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)54 services
  3. Hospital discharge day management, more than 30 minutes (99239)20 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)11 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • Anxiety69%
  • High cholesterol54%
  • Depression53%
  • Diabetes50%
  • Arthritis50%

Hospitals where Zachary P. Kaltenborn works

Medicare's Facility Affiliation Data lists Zachary P. Kaltenborn at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Zachary P. Kaltenborn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Zachary P. Kaltenborn as a member of this group (CMS data updated October 2, 2026).

  • Fairview Health Services667 clinicians in the group

Specialties

Find other Internal Medicine doctors in Minnesota →

Other internal medicine doctors in Minnesota

Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.

All internal medicine doctors in Minnesota →

Other clinicians in Fairview Health Services

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2011 (15 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790077873
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians