Dr. Patricia Isabella Rondain, MD
- Medicare services, 2024
- 440
- Medicare patients, 2024
- 174
- Part D claims, 2024
- 145
- Hospital affiliations
- 2
- Medical groups
- 2
- Practice address
- 2800 10th Ave N, Billings, MT 59101
- Practice phone
- Call (406) 657-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Patricia Isabella Rondain is an infectious disease specialist in Billings, Montana
Dr. Rondain practices at Billings Clinic Hospital in Billings, Montana, part of Billings Clinic.
Dr. Rondain's NPI, 1780160721, was assigned on July 12, 2018. Dr. Rondain holds Montana license MED-PHYS-LIC-122801.
- NPI
- 1780160721NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597017384
- NPI enumeration date
- July 12, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (406) 657-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Patricia Isabella Rondain practices at Billings Clinic Hospital in Billings, Montana
Dr. Rondain's primary practice is Billings Clinic Hospital, at 2800 10th Ave N, Billings, MT 59101 in Yellowstone County. The practice phone is (406) 657-4000.
- Billings Clinic Hospital2800 10th Ave N, Billings, MT 59101 · Yellowstone CountyPhone(406) 657-4000
Source: Dmand AI Affiliation Data
Dr. Patricia Isabella Rondain is affiliated with 3 sites of care and 2 medical groups
Dr. Rondain's primary practice is Billings Clinic Hospital in Billings, Montana, part of Billings Clinic. Dr. Rondain is also affiliated with Powell Valley Healthcare. The medical group on file is Billings Clinic. Dmand AI also links Dr. Rondain to 1 more group practice or clinic and 1 medical group, 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. Patricia Isabella Rondain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rondain practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Billings Clinic Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Patricia Isabella Rondain is one of 22 infectious disease specialists in Montana
Infectious disease is Dr. Rondain's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Rondain is licensed in Montana.
Specialties and state licenses
- Infectious disease, MontanaPrimary
Infectious disease specialists near Dr. Rondain
Counts of infectious disease specialists 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. Patricia Isabella Rondain billed Medicare for 440 services in 2024
CMS data shows 440 Medicare services from Dr. Rondain across 5 procedure codes in 2024, for 174 Medicare patients. Medicare paid $36,642 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Rondain's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 892024: 440394%
Dr. Rondain compared with the Montana median for infectious disease specialists, 2024
- Dr. Rondain
- Montana median
- Medicare services
- 440vs 33830% above
- Medicare patients
- 174vs 1637% above
- Part D claims
- 50vs 23779% below
Medians across 22 infectious disease specialists in Montana with Dmand AI profiles that report each measure.
Dr. Rondain'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. Patricia Isabella Rondain treated 174 Medicare patients in 2024, average age 72
CMS counts 174 Medicare patients who saw Dr. Rondain in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high blood pressure, and 61% have arthritis. 24% are also on Medicaid. Their average risk score is 2.43, 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. Rondain's median patient age at 70, with 43% women.
Dr. Rondain's Medicare patients by age, 2024
Dr. Rondain's Medicare patients by sex, 2024
- Women8046%
- Men9454%
Chronic conditions among Dr. Rondain's Medicare patients, 2024
- High blood pressure75%
- Arthritis61%
- High cholesterol59%
- Diabetes48%
- Chronic kidney disease44%
- Mood disorders43%
- Depression41%
- Ischemic heart disease39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rondain's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Patricia Isabella Rondain wrote 145 Medicare Part D claims in 2024
In 2024, Dr. Rondain wrote 145 Medicare Part D claims for 50 patients. 91% of them were for generic drugs. CMS names the drug for 50 of them, across 2 drugs with 11 or more claims each, at $6,611 in total drug cost. In 2023, CMS named 74 claims across 4 drugs.
Dr. Rondain's Part D claims by kind of drug, 2024
- Generic132 claims91%
- Brand-name13 claims9%
Dr. Rondain'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. Rondain's Part D claims, 2024
- Antibiotics81%117 of 145 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: 742024: 5032%
Drugs named by CMS: 2 in 2024, 4 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. Patricia Isabella Rondain offers telehealth to Medicare patients
Dr. Rondain accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rondain as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Patricia Isabella Rondain'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) |
| 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. Patricia Isabella Rondain
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. Patricia Isabella Rondain's NPI number?
Dr. Patricia Isabella Rondain's NPI number is 1780160721. It was assigned on July 12, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Patricia Isabella Rondain?
Dr. Patricia Isabella Rondain is an infectious disease specialist in Billings, Montana. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Patricia Isabella Rondain practice?
Dr. Rondain practices at 2800 10th Ave N, Billings, MT 59101. Dr. Rondain's primary practice is Billings Clinic Hospital in Billings, Montana, part of Billings Clinic. Dmand AI also links Dr. Rondain to 1 group practice or clinic and 1 medical group.
What is Dr. Patricia Isabella Rondain's office phone number?
The practice phone on file for Dr. Rondain is (406) 657-4000.
What is Dr. Patricia Isabella Rondain's medical license number?
Dr. Rondain holds Montana license MED-PHYS-LIC-122801.
Which hospitals is Dr. Patricia Isabella Rondain affiliated with?
Dr. Rondain practices at Billings Clinic Hospital in Billings, Montana. Dr. Rondain is also affiliated with Powell Valley Healthcare.
What medical group is Dr. Patricia Isabella Rondain part of?
Dr. Rondain is linked to Billings Clinic. Dmand AI links Dr. Rondain to 1 more medical group.
Does Dr. Patricia Isabella Rondain accept Medicare?
Yes. CMS data shows Dr. Rondain billed Medicare for 440 services in 2024, and Dr. Rondain accepts Medicare assignment.
Does Dr. Patricia Isabella Rondain offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Rondain as offering telehealth services.
How many Medicare patients does Dr. Patricia Isabella Rondain see?
CMS counts 174 Medicare patients who saw Dr. Rondain in 2024, with an average age of 72.
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What services does Dr. Patricia Isabella Rondain bill to Medicare?
In 2024, Dr. Rondain's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).
What drugs does Dr. Patricia Isabella Rondain prescribe most?
In 2024 Medicare Part D data, Dr. Rondain's most prescribed drugs by claims were Cefazolin Sodium and Cefadroxil.
How long has Dr. Patricia Isabella Rondain been practicing?
Dr. Rondain graduated from medical school in 2014, 12 years ago.
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