Dr. James T. Maddux Jr., MD
- Medicare services, 2024
- 2,022
- Medicare patients, 2024
- 1,086
- Part D claims, 2024
- 2,065
- Publications
- 3
- Clinical trials
- 4
- Practice address
- 500 W Broadway, Missoula, MT 59802
- Practice phone
- Call (406) 543-7271
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Maddux'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. James T. Maddux Jr. is an interventional cardiologist in Missoula, Montana
Dr. Maddux practices at Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services.
Dr. Maddux's NPI, 1942237326, was assigned on June 28, 2006. Dr. Maddux graduated from Jefferson Medical College of Thomas Jefferson University in 1995. Dr. Maddux holds Montana license MED-PHYS-LIC-10525.
- NPI
- 1942237326NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557357605
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (406) 543-7271
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James T. Maddux Jr. practices at Providence St. Patrick Hospital in Missoula, Montana
Dr. Maddux's primary practice is Providence St. Patrick Hospital, at 500 W Broadway, Missoula, MT 59802 in Missoula County. The practice phone is (406) 543-7271.
- Providence St. Patrick Hospital500 W Broadway, Missoula, MT 59802 · Missoula CountyPhone(406) 543-7271
Source: Dmand AI Affiliation Data
Dr. James T. Maddux Jr. is affiliated with 5 sites of care and 2 medical groups
Dr. Maddux's primary practice is Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services. Dr. Maddux is also affiliated with St. Peter's Health Regional Medical Center. The medical group on file is Providence St. Patrick Hospital. Dmand AI also links Dr. Maddux to 3 more hospitals 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. James T. Maddux Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maddux practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence St. Patrick Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. James T. Maddux Jr. is one of 31 interventional cardiologists in Montana
Interventional cardiology is Dr. Maddux's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Maddux is licensed in Montana.
Specialties and state licenses
- Interventional cardiology, MontanaPrimary
Interventional cardiologists near Dr. Maddux
Counts of interventional cardiologists 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. James T. Maddux Jr. billed Medicare for 2,022 services in 2024
CMS data shows 2,022 Medicare services from Dr. Maddux across 24 procedure codes in 2024, for 1,086 Medicare patients. Medicare paid $208,946 for them.
Dr. Maddux's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,7712024: 1,39421%
- Office and hospital visits
- 2023: 5082024: 5264%
- Surgery
- 2023: 1302024: 10222%
- Other services
- 2023: 802024: 0100%
Where Dr. Maddux's Medicare services took place, 2024
- In an office71235%
- In a facility1,31065%
Dr. Maddux compared with the Montana median for interventional cardiologists, 2024
- Dr. Maddux
- Montana median
- Medicare services
- 2,022vs 1,17772% above
- Medicare patients
- 1,086vs 5432.0 times
- Part D claims
- 1,943vs 1,07581% above
Medians across 31 interventional cardiologists in Montana with Dmand AI profiles that report each measure.
Dr. Maddux'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. Maddux?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Maddux and other interventional cardiologists in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James T. Maddux Jr. treated 1,086 Medicare patients in 2024, average age 77
CMS counts 1,086 Medicare patients who saw Dr. Maddux in 2024. The largest group is 75 to 84, with 489 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Maddux's median patient age at 77, with 38% women.
Dr. Maddux's Medicare patients by age, 2024
Dr. Maddux's Medicare patients by sex, 2024
- Women49045%
- Men59655%
Chronic conditions among Dr. Maddux's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease60%
- Arthritis46%
- Atrial fibrillation45%
- Heart failure36%
- Chronic kidney disease28%
- Diabetes26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Maddux's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women38%
- Men62%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James T. Maddux Jr. wrote 2,065 Medicare Part D claims in 2024
In 2024, Dr. Maddux wrote 2,065 Medicare Part D claims for 361 patients. 90% of them were for generic drugs. CMS names the drug for 1,943 of them, across 28 drugs with 11 or more claims each, at $315,890 in total drug cost. In 2023, CMS named 1,993 claims across 28 drugs.
Dr. Maddux's Part D claims by kind of drug, 2024
- Generic1,858 claims90%
- Brand-name207 claims10%
Dr. Maddux'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,9932024: 1,9433%
Drugs named by CMS: 28 in 2024, 28 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. James T. Maddux Jr. ranks in the 96th percentile for coronary angioplasty and stenting in Medicare
Dr. Maddux accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Maddux as offering telehealth. CMS counts 100 procedures of coronary angioplasty and stenting by Dr. Maddux, more than 96% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Maddux ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 96th percentile100 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. James T. Maddux Jr. has 3 publications on record
Dmand AI links 3 papers to Dr. Maddux, published from 2011 to 2024. Dr. Maddux's most frequent co-authors are Travis Owen Abicht, MD, Robert Joseph Applegate, MD and Louis A. Cannon, MD.
Dr. Maddux's most frequent co-authors
- Travis Owen Abicht, MD1 shared paper
- Robert Joseph Applegate, MD1 shared paper
- Louis A. Cannon, MD1 shared paper
Recent publications by Dr. Maddux
See who Dr. Maddux researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Maddux works with, so you can find a warm path to the right interventional cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James T. Maddux Jr. has worked on 4 clinical trials
Dmand AI links Dr. Maddux to 4 clinical trials. 2 are still active or recruiting. Conditions studied include Coronary Restenosis, Foramen Ovale, Patent and Tricuspid Valve Insufficiency. Abbott Medical Devices sponsors the most, 2.
Conditions in Dr. Maddux's trials
- Coronary Restenosis
- Foramen Ovale, Patent
- Tricuspid Valve Insufficiency
- Coronary Stenosis
- Heart Septal Defects, Atrial
Investigators on the most trials with Dr. Maddux
Recent clinical trials with Dr. Maddux
Edwards PASCAL Transcatheter Valve Repair System Pivotal Clinical Trial (opens in a new tab)
AMPLATZER PFO Occluder Post Approval Study (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. James T. Maddux Jr. received $59,921 in industry payments from 2016 to 2025
CMS Open Payments shows 427 general payments to Dr. Maddux from 26 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 38% of the total. Abbott Laboratories paid the most, $44,152.
General payments to Dr. Maddux by program year, 2016 to 2025
General payments to Dr. Maddux by kind, 2016 to 2025
- Travel and lodging$22,72338%
- Consulting fees$18,84531%
- Food and beverage$13,26322%
- Speaker and faculty fees$5,0008%
- Education$900%
Companies that paid Dr. Maddux 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. James T. Maddux Jr. graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Maddux graduated from Jefferson Medical College of Thomas Jefferson University in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James T. Maddux Jr.'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. James T. Maddux Jr.
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. James T. Maddux Jr.'s NPI number?
Dr. James T. Maddux Jr.'s NPI number is 1942237326. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James T. Maddux Jr.?
Dr. James T. Maddux Jr. is an interventional cardiologist in Missoula, Montana. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. James T. Maddux Jr. practice?
Dr. Maddux practices at 500 W Broadway, Missoula, MT 59802. Dr. Maddux's primary practice is Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services. Dmand AI also links Dr. Maddux to 3 hospitals and 1 medical group.
What is Dr. James T. Maddux Jr.'s office phone number?
The practice phone on file for Dr. Maddux is (406) 543-7271.
What is Dr. James T. Maddux Jr.'s medical license number?
Dr. Maddux holds Montana license MED-PHYS-LIC-10525.
Which hospitals is Dr. James T. Maddux Jr. affiliated with?
Dr. Maddux practices at Providence St. Patrick Hospital in Missoula, Montana. Dr. Maddux is also affiliated with St. Peter's Health Regional Medical Center. Dmand AI links Dr. Maddux to 3 more hospitals.
What medical group is Dr. James T. Maddux Jr. part of?
Dr. Maddux is linked to Providence St. Patrick Hospital. Dmand AI links Dr. Maddux to 1 more medical group.
Does Dr. James T. Maddux Jr. accept Medicare?
Yes. CMS data shows Dr. Maddux billed Medicare for 2,022 services in 2024, and Dr. Maddux accepts Medicare assignment.
Does Dr. James T. Maddux Jr. offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Maddux as offering telehealth services.
How many Medicare patients does Dr. James T. Maddux Jr. see?
CMS counts 1,086 Medicare patients who saw Dr. Maddux in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
What services does Dr. James T. Maddux Jr. bill to Medicare?
In 2024, Dr. Maddux's most billed Medicare services were heart test or procedure (93010), special service (99152) and office visit, established patient (99214).
Where did Dr. James T. Maddux Jr. go to medical school?
Dr. Maddux graduated from Jefferson Medical College of Thomas Jefferson University in 1995.
What drugs does Dr. James T. Maddux Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Maddux's most prescribed drugs by claims were Atorvastatin Calcium, Clopidogrel and Metoprolol Succinate.
Has Dr. James T. Maddux Jr. received payments from drug or device companies?
CMS Open Payments shows $59,921 in general payments to Dr. Maddux from 26 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. James T. Maddux Jr. been practicing?
Dr. Maddux graduated from medical school in 1995, 31 years ago.
Does Dr. James T. Maddux Jr. do research?
Dmand AI links 3 publications to Dr. Maddux, published from 2011 to 2024. Dr. Maddux has worked on 4 clinical trials.
Who does Dr. James T. Maddux Jr. publish with?
Dr. Maddux's most frequent co-authors are Travis Owen Abicht, MD (1 shared paper), Robert Joseph Applegate, MD (1 shared paper) and Louis A. Cannon, MD (1 shared paper).
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