JAMES T MADDUX MD
NPI 1942237326
Internal Medicine - Interventional Cardiology in Missoula, MT

Q: What is James Maddux's NPI number?

The NPI number for James Maddux is 1942237326. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Q: What is James Maddux's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Q: When was this NPI record last updated?

The NPPES record for James Maddux was last updated on September 23, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 28, 2006PECOS EnrolledAccepts Medicare Assignment

500 W BROADWAY ST, SUITE 320, MISSOULA, MT 59802(406) 329-5615(406) 329-5606 Get Directions Write a Review

NPPES record last updated: September 23, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About James T Maddux Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JAMES T MADDUX MD (NPI 1942237326) is an individual interventional cardiology provider in Missoula, Montana, licensed in Montana (MED-PHYS-LIC-10525) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with St Peters Health, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1942237326

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameJAMES T MADDUXCredential: MD

Location Address500 W BROADWAY ST, SUITE 320Missoula, MT 59802-4003

Mailing AddressPo Box 12Liberty Lake, WA 99019-0012 · (406) 327-1918 · Fax (406) 329-2937

Phone(406) 329-5615

Fax(406) 329-5606

Sole ProprietorNo

Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 1995

Enumeration DateJune 28, 2006

Last NPPES UpdateSeptember 23, 2025

NPPES CertifiedSeptember 23, 2025

✔ NPI 1942237326 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

License✔ Licensed in MT · MED-PHYS-LIC-10525

Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License MED-PHYS-LIC-10525 (MT)

500 W BROADWAY ST, Missoula, MT 59802

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Secondary Practice Locations 2

Location 11200 Westwood DrHamilton, MT 59840-2345 · Phone (406) 375-4665

Location 2435 S Crystal St Ste 240Butte, MT 59701-1523 · Phone (406) 496-3660 · Fax (406) 496-3677

Other Identifiers 1

Medicaid0147407MT

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

James T Maddux Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557357605

PECOS Enrollment IDI20040422001742, I20050221000108

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 31

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

586 services484 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

303 services271 patients

Established patient office or other outpatient visit, 30-39 minutes 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

282 services258 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

233 services132 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

140 services140 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

133 services131 patients

Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928

This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.

86 services58 patients

Follow-up hospital inpatient care per day, typically 35 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

84 services50 patients

Insertion of tube in coronary artery for diagnosis with review by radiologist 93454

This procedure involves placing a small tube into your coronary artery. It helps to identify any blockages or issues within the artery. A radiologist, a doctor specialized in medical imaging, will review the results to ensure accurate diagnosis.

72 services70 patients

Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298

This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.

65 services11 patients

Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec G2066

This procedure involves the remote monitoring of an implanted device in your heart for up to 30 days. The device collects data about your heart's function which is transmitted and analyzed. The goal is to track your heart's rhythm and identify any abnormalities.

65 services11 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

51 services51 patients

Initial hospital inpatient care per day, typically 70 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

47 services46 patients

New patient office or other outpatient visit, 45-59 minutes 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

45 services45 patients

Replacement of aortic valve through the skin and femoral artery 33361

This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.

37 services37 patients

Repair of left upper heart chamber with implant with review by radiologist 33340

This is a procedure to fix a problem in your left upper heart chamber. An implant is used to correct the issue. After the procedure, a radiologist, a doctor who specializes in medical imaging, reviews the images to ensure everything is in order.

30 services30 patients

Programming of single lead pacemaker system 93279

Programming of a single lead pacemaker system involves adjusting the pacemaker's settings to suit your heart's unique needs. This is done using a special device that communicates with the pacemaker, ensuring it helps your heart beat at an optimal rate.

29 services17 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

28 services28 patients

Follow-up hospital inpatient care per day, typically 25 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

26 services26 patients

Insertion of tube in left lower heart chamber, coronary artery and bypass graft for diagnosis with review by radiologist 93459

This procedure involves placing a tube into your left lower heart chamber, coronary artery, and bypass graft. It's done for diagnostic purposes and is carefully reviewed by a radiologist. This helps determine the health of your heart and arteries, aiding in future treatment plans.

23 services23 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

21 services18 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296

This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.

21 services18 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system 93288

An evaluation of a pacemaker system examines how well your heart device is working. Single, dual, multiple lead, or leadless refers to the wires that deliver electrical pulses from the pacemaker to your heart. This check ensures your heart is receiving the right amount of support from the device.

19 services11 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

19 services19 patients

Repair of mitral valve through the skin, initial prosthesis 33418

This procedure, known as Transcatheter Mitral Valve Repair (TMVR), involves a small tube inserted through your skin into a blood vessel. A device is then guided to your heart to repair the mitral valve, using an initial prosthesis. This is a less invasive alternative to open-heart surgery.

16 services16 patients

Insertion of tube in bypass graft for diagnosis with review by radiologist 93455

This procedure involves placing a small tube into a bypass graft, which is a vessel used to reroute blood flow. A radiologist, a doctor who specializes in medical imaging, then reviews the images taken to help diagnose any potential issues.

15 services15 patients

Removal of plaque and blood clot, insertion of stent and/or balloon dilation of single vessel 92941

This procedure involves removing plaque, a substance that can block your blood vessels, and any blood clots. A stent, a tiny tube, may be inserted to keep the vessel open. If necessary, a balloon is inflated to widen the vessel, aiding blood flow.

11 services11 patients

Insertion of tube in right heart chambers for measurement 93451

This procedure involves placing a small, flexible tube into the right side of your heart. It helps assess how your heart is functioning by measuring pressures within the heart chambers. It's a key tool in diagnosing certain heart conditions.

11 services11 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

11 services11 patients

Coronary angioplasty and stenting NAN05

Coronary angioplasty and stenting is a procedure to open narrowed or blocked heart arteries. A thin tube is inserted into a blood vessel, usually in the leg or arm, and guided to the heart. A small balloon at the end of the tube is inflated to widen the artery. A stent, a small wire mesh tube, may be placed in the artery to keep it open.

0 services100 patients

Pacemaker insertion or repair NAN10

Pacemaker insertion or repair is a procedure to help regulate your heartbeat. A small device, called a pacemaker, is implanted under the skin near your heart. This device sends electrical signals to prompt your heart to beat at a normal rate. In a repair procedure, the pacemaker may be adjusted, replaced, or the wires connecting it to your heart may be fixed.

0 services1 patient

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Peters Health

Acute Care Hospitals · Helena, MT

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270003

Location2475 BroadwayHelena, MT 59601 · Lewis And Clark County

Emergency services Birthing friendly

St. Patrick Hospital

Acute Care Hospitals · Missoula, MT

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number270014

Location500 W BroadwayMissoula, MT 59806 · Missoula County

Emergency services Birthing friendly

Community Hospital Of Anaconda

Critical Access Hospitals · Anaconda, MT

OwnershipVoluntary non-profit - Private

CMS Certification Number271335

Location401 W PennsylvaniaAnaconda, MT 59711 · Deer Lodge County

Emergency services Birthing friendly

Bitterroot Health - Daly Hospital

Critical Access Hospitals · Hamilton, MT

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number271340

Location1200 Westwood DrHamilton, MT 59840 · Ravalli County

Emergency services

Providence St Joseph Medical Center

Critical Access Hospitals · Polson, MT

OwnershipVoluntary non-profit - Private

CMS Certification Number271343

Location6 13th Ave EPolson, MT 59860 · Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59802 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$130.52 typical visit price

range $56.81 – $172.26

Typical copayment $32.63 (range $14.20 – $43.06)

Most-billed visit code 99204

Established Patient

$100.16 typical visit price

range $18.24 – $140.32

Typical copayment $25.04 (range $4.56 – $35.08)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CHRISS A MACK MD

Neurological Surgery

500 W BROADWAY ST, SUITE 310
MISSOULA, MT 59802

Missoula County (406) 728-6520

JOSEPH H WEYDT MD

Specialist

500 W BROADWAY ST
MISSOULA, MT 59802

Missoula County (406) 543-7271

DR. DOUGLAS WILLARD WEBBER MD

Emergency Medicine

500 W BROADWAY ST, EMERGENCY DEPARTMENT
MISSOULA, MT 59802

Missoula County (406) 329-5635

DR. WAYNE L. DAVIS M.D.

Radiology (Diagnostic Radiology)

500 W BROADWAY ST
MISSOULA, MT 59802

Missoula County (406) 543-7271

STEPHEN P HIRO MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

500 W BROADWAY ST, SUITE 320
MISSOULA, MT 59802

Missoula County (406) 329-5615

CAROLYN C. GOREN MD

Internal Medicine (Cardiovascular Disease)

500 W BROADWAY ST, SUITE 320
MISSOULA, MT 59802

Missoula County (406) 329-5615

JOYCE ZARANSKY PA-C

Physician Assistant

500 W BROADWAY ST
MISSOULA, MT 59802

Missoula County (406) 543-7271

JANELLE L DONOVAN MD

Internal Medicine

500 W BROADWAY ST
MISSOULA, MT 59802

Missoula County (406) 327-1900

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Maddux's NPI number?

The NPI number for James Maddux is 1942237326. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is James Maddux located?

James Maddux practices at 500 W Broadway St Suite 320, Missoula, MT 59802. The listed phone number is (406) 329-5615.

What is James Maddux's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is James Maddux enrolled in Medicare?

Yes. James Maddux is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does James Maddux accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list James Maddux as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is James Maddux affiliated with any hospitals?

According to CMS data, James Maddux is affiliated with St Peters Health, St. Patrick Hospital, Community Hospital Of Anaconda, Bitterroot Health - Daly Hospital and Providence St Joseph Medical Center.

When was this NPI record last updated?

The NPPES record for James Maddux was last updated on September 23, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.