Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Barnett R. Kantz, DO

Works at hospitals in Adrian, MI · Monroe, MI · Toledo, OH · Michigan, Ohio

Summary

Dr. Barnett R. Kantz, DO is an internal medicine doctor at 100 Powell Dr, Suite 2, Dundee, MI 48131. Phone: (734) 529-5900. Accepts Medicare assignment. In 2024, Barnett R. Kantz had 167 Original Medicare patients and 590 services. NPI 1275509432. 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 Barnett R. Kantz, 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 Barnett R. Kantz accept Medicare assignment?
Yes. Medicare's clinician data says Barnett R. Kantz 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 Barnett R. Kantz see?
In 2024, CMS data shows 167 Original Medicare patients and 590 services for Barnett R. Kantz. This counts Original Medicare only and measures volume, not quality.
What is Barnett R. Kantz's NPI number?
1275509432. 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 Barnett R. Kantz, 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 patients167
Services billed to Medicare590
Different services or procedures33
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)107 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)92 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)91 services
  4. Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use (90677)26 services
  5. Administration of pneumococcal vaccine (G0009)26 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 pressure74%
  • High cholesterol66%
  • Arthritis37%
  • Ischemic heart disease23%
  • Anxiety23%
  • Chronic kidney disease23%

Hospitals where Barnett R. Kantz works

Medicare's Facility Affiliation Data lists Barnett R. Kantz 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 Barnett R. Kantz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Barnett R. Kantz as a member of this group (CMS data updated October 2, 2026).

  • ProMedica Monroe Physicians65 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Michigan

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

All internal medicine doctors in Michigan →

Other clinicians in ProMedica Monroe Physicians

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

Clinician information

CredentialDO
Medical schoolDes Moines University Of Osteopathic Medicine And Health Sciences
Graduation year1996 (30 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1275509432
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