NPPES file of Aug 9, 2026

Michael Bruce Ganz, M.D.

Nephrology Physician · Billings, MT

Michael Bruce Ganz, M.D. is a nephrology physician with a practice address in Billings, Montana, and NPI 1356399257, issued on May 4, 2006. Check the license (Montana 24610, as entered in NPPES) on the Montana Board of Medical Examiners; 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
1356399257
Name
Michael Bruce Ganz
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
24610 MT
35062000 OH
Self-reported in NPPES; status is on the state search
Practice location
2900 12TH Ave N, Billings, MT 59101
Phone
(406) 237-8500
Enumerated
May 4, 2006
Record last updated
Mar 5, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
0844108 OH
Medicare enrollment
Enrolled (PECOS I20150130001224); accepts Medicare assignment
Medical or professional school
Medical College Of Pennsylvania, 1982
Telehealth
Offers telehealth (CMS)
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.
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Also registered at 2900 12TH Ave N

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

  1. Ieva Bailey, M.D.Gynecology Physician1487680567
  2. Kathleen Baskett, M.D.Obesity Medicine (Family Medicine) Physician1437141595
  3. Joanne Bents, NPFamily Nurse Practitioner1790727261
  4. George Bentzel, MDSurgery Physician1689699621
  5. Marion Blackman, ATCAthletic Trainer1053356105
  6. John Brandon, MDDiagnostic Radiology Physician1912943978

Verify Michael Bruce Ganz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical Examiners
    Search for license 24610
    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 Montana license search

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69% more Medicare Part D claims than the average nephrology physician in 2024

2,471 Medicare Part D claims for 376 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. 43 claims were for opioids.

  1. Michael Ganz2,471
  2. Specialty average1,465

Most prescribed

  1. Furosemide203 claims
  2. Amlodipine Besylate146 claims
  3. Nifedipine Er121 claims
  4. Hydralazine Hcl117 claims
  5. Temazepam115 claims
  6. Losartan Potassium95 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: $5,832.77

15 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Ganz$5,832.77
  2. Specialty average$3,091.37

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. Scl Health Medical Group - Billings LLCCody, WY

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

Nephrology Physician providers in Montana

There are 26 nephrology physician records in Montana.

Other nephrology physician records in Montana

  1. Gabor Bodonyi-Kovacs, MDKalispell, MT1821288051
  2. Scot Born, M.D.Kalispell, MT1831298348
  3. Shahid Chaudhary, M.D.Missoula, MT1902986987
  4. Anthony De Mory, M.D.Billings, MT1316944572
  5. Margaret Eddy, MDMissoula, MT1114973229
  6. Gerald Groggel, MDBozeman, MT1932157716
  7. Stephen Guggenheim, M.D.Bozeman, MT1801158506
  8. Tobin Hoppes, M.D.Kalispell, MT1013952118
  9. Jonathan Jakubowski, MDBillings, MT1205322286
  10. Anna Jovanovich, MDBozeman, MT1164697017

Common questions

What is Michael Bruce Ganz, M.D.'s NPI number?

Michael Bruce Ganz, M.D.'s National Provider Identifier (NPI) is 1356399257, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Bruce Ganz, M.D. located?

The NPPES record lists a practice address at 2900 12TH Ave N, Billings, MT, 59101. Phone: (406) 237-8500. Providers update this record themselves, so call before visiting.

How can I verify Michael Bruce Ganz, M.D.'s license?

NPPES lists Montana license number 24610, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Bruce Ganz, M.D. prescribe under Medicare Part D?

In 2024, Michael Bruce Ganz, M.D. had 2,471 Medicare Part D claims for 376 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.