Dr. Michael Bruce Ganz, MD
- Medicare services, 2024
- 2,163
- Medicare patients, 2024
- 615
- Part D claims, 2024
- 2,471
- Hospital affiliations
- 6
- Industry payments
- $69,311
- Practice address
- 1233 N 30th St, Billings, MT 59101
- Practice phone
- Call (406) 237-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Vincent Healthcare
Billings, Montana
Find Dr. Ganz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael Bruce Ganz is a nephrologist in Billings, Montana
Dr. Ganz practices at St Vincent Healthcare in Billings, Montana.
Dr. Ganz's NPI, 1356399257, was assigned on May 4, 2006. Dr. Ganz graduated from Medical College of Pennsylvania in 1982. Dr. Ganz holds Montana license 24610.
- NPI
- 1356399257NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173506698
- NPI enumeration date
- May 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (406) 237-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Bruce Ganz practices at St Vincent Healthcare in Billings, Montana
Dr. Ganz's primary practice is St Vincent Healthcare, at 1233 N 30th St, Billings, MT 59101 in Yellowstone County. The practice phone is (406) 237-7000.
- St Vincent Healthcare1233 N 30th St, Billings, MT 59101 · Yellowstone CountyPhone(406) 237-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Bruce Ganz is affiliated with 12 sites of care and 2 medical groups
Dr. Ganz's primary practice is St Vincent Healthcare in Billings, Montana. Dr. Ganz is also affiliated with St. Vincent Regional Hospital. The medical group on file is SCL Health Medical Group. Dmand AI also links Dr. Ganz to 5 more hospitals, 3 dialysis centers, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael Bruce Ganz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ganz practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Vincent Healthcare | Available with a free account |
| +11 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Bruce Ganz is one of 22 nephrologists in Montana
Nephrology is Dr. Ganz's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Ganz's licenses on file in 2 states: Montana and Ohio.
Specialties and state licenses
- Nephrology, MontanaPrimary
- Internal medicine, Ohio
Nephrologists near Dr. Ganz
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael Bruce Ganz billed Medicare for 2,163 services in 2024
CMS data shows 2,163 Medicare services from Dr. Ganz across 11 procedure codes in 2024, for 615 Medicare patients. Medicare paid $208,484 for them.
Dr. Ganz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,6312024: 1,7809%
- Tests and treatments
- 2023: 1,0952024: 34369%
- Surgery
- 2023: 442024: 409%
Where Dr. Ganz's Medicare services took place, 2024
- In an office1,08050%
- In a facility1,08350%
Dr. Ganz compared with the Montana median for nephrologists, 2024
- Dr. Ganz
- Montana median
- Medicare services
- 2,163vs 8052.7 times
- Medicare patients
- 615vs 2882.1 times
- Part D claims
- 2,141vs 8572.5 times
Medians across 23 nephrologists in Montana with Dmand AI profiles that report each measure.
Dr. Ganz's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ganz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ganz and other nephrologists in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Bruce Ganz treated 615 Medicare patients in 2024, average age 73
CMS counts 615 Medicare patients who saw Dr. Ganz in 2024. The largest group is 75 to 84, with 221 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 18% are also on Medicaid. Their average risk score is 3.09, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ganz's median patient age at 75, with 41% women.
Dr. Ganz's Medicare patients by age, 2024
Dr. Ganz's Medicare patients by sex, 2024
- Women24640%
- Men36960%
Chronic conditions among Dr. Ganz's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol64%
- Diabetes52%
- Heart failure42%
- Arthritis41%
- Ischemic heart disease39%
- Atrial fibrillation31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ganz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women41%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Bruce Ganz wrote 2,471 Medicare Part D claims in 2024
In 2024, Dr. Ganz wrote 2,471 Medicare Part D claims for 376 patients. 92% of them were for generic drugs. CMS names the drug for 2,141 of them, across 49 drugs with 11 or more claims each, at $60,609 in total drug cost. In 2023, CMS named 2,048 claims across 49 drugs.
Dr. Ganz's Part D claims by kind of drug, 2024
- Generic2,279 claims92%
- Brand-name and other192 claims8%
Dr. Ganz's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ganz's Part D claims, 2024
- Opioids2%43 of 2,471 claims
- Antibiotics4%103 of 2,471 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,0482024: 2,1415%
Drugs named by CMS: 49 in 2024, 49 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Michael Bruce Ganz offers telehealth to Medicare patients
Dr. Ganz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ganz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Michael Bruce Ganz received $69,311 in industry payments from 2016 to 2025
CMS Open Payments shows 132 general payments to Dr. Ganz from 16 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 43% of the total. Genentech, Inc. paid the most, $37,008.
General payments to Dr. Ganz by program year, 2016 to 2025
General payments to Dr. Ganz by kind, 2016 to 2025
- Speaker and faculty fees$29,79543%
- Honoraria$22,91033%
- Travel and lodging$9,13713%
- Consulting fees$4,9887%
- Other$2,4824%
Companies that paid Dr. Ganz the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Bruce Ganz graduated from Medical College of Pennsylvania
Dr. Ganz graduated from Medical College of Pennsylvania in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Bruce Ganz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael Bruce Ganz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael Bruce Ganz's NPI number?
Dr. Michael Bruce Ganz's NPI number is 1356399257. It was assigned on May 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Bruce Ganz?
Dr. Michael Bruce Ganz is a nephrologist in Billings, Montana. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Michael Bruce Ganz practice?
Dr. Ganz practices at 1233 N 30th St, Billings, MT 59101. Dr. Ganz's primary practice is St Vincent Healthcare in Billings, Montana. Dmand AI also links Dr. Ganz to 5 hospitals, 3 dialysis centers, 2 group practices and clinics and 1 medical group.
What is Dr. Michael Bruce Ganz's office phone number?
The practice phone on file for Dr. Ganz is (406) 237-7000.
What is Dr. Michael Bruce Ganz's medical license number?
Dr. Ganz holds Montana license 24610, one of the licenses on file in 2 states.
Which states has Dr. Michael Bruce Ganz been licensed in?
Dmand AI has state licenses on file for Dr. Ganz in Montana and Ohio.
Which hospitals is Dr. Michael Bruce Ganz affiliated with?
Dr. Ganz is affiliated with St. Vincent Regional Hospital. Dmand AI links Dr. Ganz to 5 more hospitals.
What medical group is Dr. Michael Bruce Ganz part of?
Dr. Ganz is linked to SCL Health Medical Group. Dmand AI links Dr. Ganz to 1 more medical group.
Does Dr. Michael Bruce Ganz accept Medicare?
Yes. CMS data shows Dr. Ganz billed Medicare for 2,163 services in 2024, and Dr. Ganz accepts Medicare assignment.
Does Dr. Michael Bruce Ganz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ganz as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Michael Bruce Ganz see?
CMS counts 615 Medicare patients who saw Dr. Ganz in 2024, with an average age of 73.
What services does Dr. Michael Bruce Ganz bill to Medicare?
In 2024, Dr. Ganz's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and hospital inpatient care (99233).
Where did Dr. Michael Bruce Ganz go to medical school?
Dr. Ganz graduated from Medical College of Pennsylvania in 1982.
What drugs does Dr. Michael Bruce Ganz prescribe most?
In 2024 Medicare Part D data, Dr. Ganz's most prescribed drugs by claims were Furosemide, Amlodipine Besylate and Nifedipine ER.
Has Dr. Michael Bruce Ganz received payments from drug or device companies?
CMS Open Payments shows $69,311 in general payments to Dr. Ganz from 16 companies from 2016 to 2025. The largest total came from Genentech, Inc.
How long has Dr. Michael Bruce Ganz been practicing?
Dr. Ganz graduated from medical school in 1982, 44 years ago.
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