Dr. Carolyn Sierra Rust, MD
- Medicare services, 2024
- 528
- Medicare patients, 2024
- 312
- Part D claims, 2024
- 62
- MIPS score, 2024
- 83
- Hospital affiliations
- 1
- Practice address
- 1101 26th St S, Great Falls, MT 59405
- Practice phone
- Call (406) 455-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Carolyn Sierra Rust is an emergency medicine physician in Great Falls, Montana
Dr. Rust practices at Benefis East Campus in Great Falls, Montana, part of Benefis Health System.
Dr. Rust's NPI, 1992097695, was assigned on May 12, 2011. Dr. Rust graduated from Albany Medical College of Union University in 2011. Dr. Rust holds Montana license 55916.
- NPI
- 1992097695NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032335799
- NPI enumeration date
- May 12, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (406) 455-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carolyn Sierra Rust practices at Benefis East Campus in Great Falls, Montana
Dr. Rust's primary practice is Benefis East Campus, at 1101 26th St S, Great Falls, MT 59405 in Cascade County. The practice phone is (406) 455-5000.
- Benefis East Campus1101 26th St S, Great Falls, MT 59405 · Cascade CountyPhone(406) 455-5000
Source: Dmand AI Affiliation Data
Dr. Carolyn Sierra Rust is affiliated with 1 site of care and 3 medical groups
Dr. Rust's primary practice is Benefis East Campus in Great Falls, Montana, part of Benefis Health System. The medical group on file is Benefis Health System. Dmand AI also links Dr. Rust to 2 more medical groups, 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. Carolyn Sierra Rust's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rust practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Benefis East Campus | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Carolyn Sierra Rust is one of 245 emergency medicine physicians in Montana
Emergency medicine is Dr. Rust's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Rust's licenses on file in 2 states: Montana and Colorado.
Specialties and state licenses
- Emergency medicine, MontanaPrimary
- Colorado license
Emergency medicine physicians near Dr. Rust
Counts of emergency medicine physicians 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. Carolyn Sierra Rust billed Medicare for 528 services in 2024
CMS data shows 528 Medicare services from Dr. Rust across 4 procedure codes in 2024, for 312 Medicare patients. Medicare paid $39,745 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Rust's Medicare services by type, 2024
- Office and hospital visits319
- Tests and treatments209
Dr. Rust compared with the Montana median for emergency medicine physicians, 2024
- Dr. Rust
- Montana median
- Medicare services
- 528vs 30474% above
- Medicare patients
- 312vs 302Close to median
Medians across 269 emergency medicine physicians in Montana with Dmand AI profiles that report each measure.
Dr. Rust'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carolyn Sierra Rust treated 312 Medicare patients in 2024, average age 72
CMS counts 312 Medicare patients who saw Dr. Rust in 2024. The largest group is 65 to 74, with 114 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.89, 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. Rust's median patient age at 71, with 57% women.
Dr. Rust's Medicare patients by age, 2024
Dr. Rust's Medicare patients by sex, 2024
- Women15851%
- Men15449%
Chronic conditions among Dr. Rust's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis50%
- Mood disorders43%
- Depression40%
- Diabetes39%
- Anxiety38%
- COPD36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rust's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carolyn Sierra Rust wrote 62 Medicare Part D claims in 2024
In 2024, Dr. Rust wrote 62 Medicare Part D claims for 37 patients. 98% of them were for generic drugs.
Dr. Rust's Part D claims by kind of drug, 2024
- Generic61 claims98%
- Brand-name and other1 claims2%
Drug classes CMS tracks in Dr. Rust's Part D claims, 2024
- Antibiotics37%23 of 62 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Carolyn Sierra Rust scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Rust for performance year 2024, reported as part of a group. Dr. Rust accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Rust's MIPS scores, performance year 2024
- 83of 100Final score
- 62.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 81of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of nail tissue: 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. Carolyn Sierra Rust graduated from Albany Medical College of Union University
Dr. Rust graduated from Albany Medical College of Union University in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Carolyn Sierra Rust'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 (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) |
| 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. Carolyn Sierra Rust
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. Carolyn Sierra Rust's NPI number?
Dr. Carolyn Sierra Rust's NPI number is 1992097695. It was assigned on May 12, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Carolyn Sierra Rust?
Dr. Carolyn Sierra Rust is an emergency medicine physician in Great Falls, Montana. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Carolyn Sierra Rust practice?
Dr. Rust practices at 1101 26th St S, Great Falls, MT 59405. Dr. Rust's primary practice is Benefis East Campus in Great Falls, Montana, part of Benefis Health System. Dmand AI also links Dr. Rust to 2 medical groups.
What is Dr. Carolyn Sierra Rust's office phone number?
The practice phone on file for Dr. Rust is (406) 455-5000.
What is Dr. Carolyn Sierra Rust's medical license number?
Dr. Rust holds Montana license 55916, one of the licenses on file in 2 states.
Which states has Dr. Carolyn Sierra Rust been licensed in?
Dmand AI has state licenses on file for Dr. Rust in Montana and Colorado.
Which hospitals is Dr. Carolyn Sierra Rust affiliated with?
Dr. Rust practices at Benefis East Campus in Great Falls, Montana.
What medical group is Dr. Carolyn Sierra Rust part of?
Dr. Rust is linked to Benefis Health System. Dmand AI links Dr. Rust to 2 more medical groups.
Does Dr. Carolyn Sierra Rust accept Medicare?
Yes. CMS data shows Dr. Rust billed Medicare for 528 services in 2024, and Dr. Rust accepts Medicare assignment.
What is Dr. Carolyn Sierra Rust's MIPS score?
Dr. Rust's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
Show 4 more questionsShow fewer questions
How many Medicare patients does Dr. Carolyn Sierra Rust see?
CMS counts 312 Medicare patients who saw Dr. Rust in 2024, with an average age of 72.
What services does Dr. Carolyn Sierra Rust bill to Medicare?
In 2024, Dr. Rust's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Carolyn Sierra Rust go to medical school?
Dr. Rust graduated from Albany Medical College of Union University in 2011.
How long has Dr. Carolyn Sierra Rust been practicing?
Dr. Rust graduated from medical school in 2011, 15 years ago.
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