Quick answers
- Does James T. Maddux Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says James T. Maddux Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does James T. Maddux Jr. see?
- In 2024, CMS data shows 1,086 Original Medicare patients and 2,162 services for James T. Maddux Jr.. This counts Original Medicare only and measures volume, not quality.
- What is James T. Maddux Jr.'s NPI number?
- 1942237326. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for James T. Maddux Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,086 |
|---|---|
| Services billed to Medicare | 2,162 |
| Different services or procedures | 63 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)423 services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)300 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)254 services
- Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist (93458)147 services
- Programming of dual lead pacemaker system (93280)136 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease60%
- Arthritis46%
- Atrial fibrillation45%
- Heart failure36%
Hospitals where James T. Maddux Jr. works
Medicare's Facility Affiliation Data lists James T. Maddux Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Providence St Joseph Medical CenterPolson, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271343
- St James HospitalButte, MT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 270017
- St Peters HealthHelena, MT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 270003
- St. Patrick HospitalMissoula, MT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 270014
- Steele Memorial Medical CenterSalmon, ID · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 131305
Practice locations
Addresses where James T. Maddux Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 500 W Broadway StMissoula, MT 59802
- 500 W Broadway St, Suite 320Missoula, MT 59802 (406) 329‑5615
- 500 W Broadway St 3rd FlMissoula, MT 59802
- 6 13th Ave EPolson, MT 59860 (406) 883‑5377
Group practices
Medicare enrollment lists James T. Maddux Jr. as a member of these groups (CMS data updated October 2, 2026).
- Providence Health and Services Mt362 clinicians in the group
- Providence St Joseph Medical Center53 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Montana →
Other cardiologists in Missoula
Clinicians with the same Medicare primary specialty in Missoula, MT — not a recommendation.
Other clinicians in Providence Health and Services Mt
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1942237326 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians