Dr. Karl A. Guter, MD
- Medicare services, 2024
- 1,838
- Medicare patients, 2024
- 258
- Part D claims, 2024
- 1,194
- MIPS score, 2024
- 91
- Hospital affiliations
- 2
- Practice address
- 3010 15th Avenue South, Great Falls, MT 59405
- Practice phone
- Call (406) 216-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Karl A. Guter is a hematologist and oncologist in Great Falls, Montana
Dr. Guter practices at Great Falls Hospital in Great Falls, Montana, part of Surgery Partners.
Dr. Guter's NPI, 1437150331, was assigned on August 2, 2005. Dr. Guter graduated from Saint Louis University School of Medicine in 1968. Dr. Guter holds Montana license 4182.
- NPI
- 1437150331NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789724048
- NPI enumeration date
- August 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (406) 216-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 84
- Medical school graduation
- 1968
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karl A. Guter practices at Great Falls Hospital in Great Falls, Montana
Dr. Guter's primary practice is Great Falls Hospital, at 3010 15th Avenue South, Great Falls, MT 59405 in Cascade County. The practice phone is (406) 216-8000.
- Great Falls Hospital3010 15th Avenue South, Great Falls, MT 59405 · Cascade CountyPhone(406) 216-8000
Source: Dmand AI Affiliation Data
Dr. Karl A. Guter is affiliated with 4 sites of care and 1 medical group
Dr. Guter's primary practice is Great Falls Hospital in Great Falls, Montana, part of Surgery Partners. Dr. Guter is also affiliated with Benefis East Campus. The medical group on file is Great Falls Clinic. Dmand AI also links Dr. Guter to 1 more group practice or clinic and 1 hospice, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karl A. Guter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guter practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Great Falls Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karl A. Guter is one of 53 hematologists and oncologists in Montana
Hematology and oncology is Dr. Guter's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Guter is licensed in Montana.
Specialties and state licenses
- Hematology and oncology, MontanaPrimary
Hematologists and oncologists near Dr. Guter
Counts of hematologists and oncologists 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. Karl A. Guter billed Medicare for 1,838 services in 2024
CMS data shows 1,838 Medicare services from Dr. Guter across 9 procedure codes in 2024, for 258 Medicare patients. Medicare paid $89,174 for them.
Dr. Guter's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,2312024: 1,05015%
- Other services
- 2023: 222024: 7753423%
- Tests and treatments
- 2023: 172024: 1324%
Where Dr. Guter's Medicare services took place, 2024
- In an office1,81098%
- In a facility282%
Dr. Guter compared with the Montana median for hematologists and oncologists, 2024
- Dr. Guter
- Montana median
- Medicare services
- 1,838vs 1,05075% above
- Medicare patients
- 258vs 270Close to median
- Part D claims
- 867vs 48878% above
Medians across 49 hematologists and oncologists in Montana with Dmand AI profiles that report each measure.
Dr. Guter'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Guter and other hematologists and oncologists in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karl A. Guter treated 258 Medicare patients in 2024, average age 76
CMS counts 258 Medicare patients who saw Dr. Guter in 2024. The largest group is 75 to 84, with 110 patients. 68% of them have high blood pressure, and 64% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.52, 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. Guter's median patient age at 73, with 59% women.
Dr. Guter's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Guter's Medicare patients by sex, 2024
- Women15560%
- Men10340%
Chronic conditions among Dr. Guter's Medicare patients, 2024
- High blood pressure68%
- High cholesterol64%
- Cancer57%
- Arthritis36%
- Diabetes26%
- Ischemic heart disease25%
- Anxiety21%
- COPD18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karl A. Guter wrote 1,194 Medicare Part D claims in 2024
In 2024, Dr. Guter wrote 1,194 Medicare Part D claims for 145 patients. 86% of them were for generic drugs. CMS names the drug for 867 of them, across 37 drugs with 11 or more claims each, at $495,382 in total drug cost. In 2023, CMS named 1,084 claims across 41 drugs.
Dr. Guter's Part D claims by kind of drug, 2024
- Generic1,030 claims86%
- Brand-name and other164 claims14%
Dr. Guter'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. Guter's Part D claims, 2024
- Opioids4%52 of 1,194 claims
- Antibiotics2%23 of 1,194 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: 1,0842024: 86720%
Drugs named by CMS: 37 in 2024, 41 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. Karl A. Guter scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Guter for performance year 2024, reported through an alternative payment model (APM). Dr. Guter accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Guter's MIPS scores, performance year 2024
- 91of 100Final score
- 80.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Karl A. Guter received $12,729 in industry payments from 2016 to 2025
CMS Open Payments shows 784 general payments to Dr. Guter from 68 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Bristol-Myers Squibb Company paid the most, $1,535.
General payments to Dr. Guter by program year, 2016 to 2025
General payments to Dr. Guter by kind, 2016 to 2025
- Food and beverage$11,92294%
- Education$6325%
- Consulting fees$1751%
Companies that paid Dr. Guter 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. Karl A. Guter graduated from Saint Louis University School of Medicine
Dr. Guter graduated from Saint Louis University School of Medicine in 1968.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karl A. Guter'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Karl A. Guter
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. Karl A. Guter's NPI number?
Dr. Karl A. Guter's NPI number is 1437150331. It was assigned on August 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Karl A. Guter?
Dr. Karl A. Guter is a hematologist and oncologist in Great Falls, Montana. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Karl A. Guter practice?
Dr. Guter practices at 3010 15th Avenue South, Great Falls, MT 59405. Dr. Guter's primary practice is Great Falls Hospital in Great Falls, Montana, part of Surgery Partners. Dmand AI also links Dr. Guter to 1 group practice or clinic and 1 hospice.
What is Dr. Karl A. Guter's office phone number?
The practice phone on file for Dr. Guter is (406) 216-8000.
What is Dr. Karl A. Guter's medical license number?
Dr. Guter holds Montana license 4182.
Which hospitals is Dr. Karl A. Guter affiliated with?
Dr. Guter practices at Great Falls Hospital in Great Falls, Montana. Dr. Guter is also affiliated with Benefis East Campus.
What medical group is Dr. Karl A. Guter part of?
Dr. Guter is linked to Great Falls Clinic.
Does Dr. Karl A. Guter accept Medicare?
Yes. CMS data shows Dr. Guter billed Medicare for 1,838 services in 2024, and Dr. Guter accepts Medicare assignment.
What is Dr. Karl A. Guter's MIPS score?
Dr. Guter's MIPS final score for performance year 2024 is 91 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Karl A. Guter see?
CMS counts 258 Medicare patients who saw Dr. Guter in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Karl A. Guter bill to Medicare?
In 2024, Dr. Guter's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Karl A. Guter go to medical school?
Dr. Guter graduated from Saint Louis University School of Medicine in 1968.
What drugs does Dr. Karl A. Guter prescribe most?
In 2024 Medicare Part D data, Dr. Guter's most prescribed drugs by claims were Letrozole, Zolpidem Tartrate and Losartan Potassium.
Has Dr. Karl A. Guter received payments from drug or device companies?
CMS Open Payments shows $12,729 in general payments to Dr. Guter from 68 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Karl A. Guter been practicing?
Dr. Guter graduated from medical school in 1968, 58 years ago.
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