NPPES file of Aug 9, 2026

Barnett Ronald Kantz, D.O.

Internal Medicine Physician · Dundee, MI

Barnett Ronald Kantz, D.O. is an internal medicine physician with a practice address in Dundee, Michigan, and NPI 1275509432, issued on Feb 27, 2006. Check the license (Michigan 5101013189, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275509432
Name
Barnett Ronald Kantz
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
5101013189 MI
Self-reported in NPPES; status is on the state search
Practice location
100 Powell Dr., Dundee, MI 48131
Phone
(734) 529-5900
Enumerated
Feb 27, 2006
Record last updated
Nov 3, 2023
Fax
(734) 529-5999
Medicare enrollment
Enrolled (PECOS I20050202000345); accepts Medicare assignment
Medical or professional school
Des Moines University Of Osteopathic Medicine And Health Sciences, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 100 Powell Dr.

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Matthew Leach, R.PH.Pharmacist1023104841

Verify Barnett Ronald Kantz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 5101013189
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.3 times the Medicare Part D claims of the average internal medicine physician in 2024

7,443 Medicare Part D claims for 653 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 254 claims were for opioids.

  1. Barnett Kantz7,443
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium392 claims
  2. Atorvastatin Calcium367 claims
  3. Omeprazole272 claims
  4. Lisinopril261 claims
  5. Losartan Potassium163 claims
  6. Amlodipine Besylate157 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,675.32

91 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Barnett Kantz$1,675.32
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Promedica Monroe Physicians PLLCDundee, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

2 internal medicine physician records list a practice address in Dundee

They are 2 of the 87 NPPES records with a practice address in Dundee, and 5,735 internal medicine physician records in Michigan.

Other internal medicine physician records in Michigan

  1. Jamie Therese Abad, MDDetroit, MI1700573359
  2. Tomas Abalo, M.D.Iron Mountain, MI1336199975
  3. Ali Abbas, M.D.Pontiac, MI1972167526
  4. Sura Abbas, MDWarren, MI1801687405
  5. Ramzi Abbasi, MDSaginaw, MI1164270005
  6. Saadat Abbasi, MDKalamazoo, MI1912005596
  7. Shahzaman Abbasi, MDLansing, MI1376512111
  8. Youssef Abbiss, D.O.Mount Clemens, MI1982991881
  9. Valerie Abbott, MDSouthfield, MI1740289487
  10. Samer Abboud, MDSaginaw, MI1245804178

Common questions

What is Barnett Ronald Kantz, D.O.'s NPI number?

Barnett Ronald Kantz, D.O.'s National Provider Identifier (NPI) is 1275509432, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Barnett Ronald Kantz, D.O. located?

The NPPES record lists a practice address at 100 Powell Dr., Dundee, MI, 48131. Phone: (734) 529-5900. Providers update this record themselves, so call before visiting.

How can I verify Barnett Ronald Kantz, D.O.'s license?

NPPES lists Michigan license number 5101013189, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Barnett Ronald Kantz, D.O. prescribe under Medicare Part D?

In 2024, Barnett Ronald Kantz, D.O. had 7,443 Medicare Part D claims for 653 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.