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 weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

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: November 01, 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 Steele Memorial Medical Center, 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, billing reassignment, and ordering and referring status from CMS.

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.

Medicare Billing Reassignments

Medicare enrollment records show James Maddux reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Health & Services Mt

Same address

General Acute Care Hospital

500 W BROADWAY ST
Missoula, MT 59802

Reassigned Medicare billing, Montana enrollment
325 clinicians in this Medicare group

NPI 1023032588 (406) 543-7271

Providence St Joseph Medical Center

56 mi

Family Medicine

6 13TH AVE E
Polson, MT 59860

Reassigned Medicare billing, Montana enrollment
111 clinicians in this Medicare group

NPI 1669655528 (406) 883-5377

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 25

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.

399 services341 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.

300 services272 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 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.

254 services229 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.

147 services143 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.

136 services98 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.

87 services67 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.

82 services78 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.

80 services14 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.

71 services71 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 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.

63 services59 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.

62 services62 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 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.

60 services60 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 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.

47 services28 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 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.

30 services28 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.

25 services25 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.

25 services25 patients

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

24 services24 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.

23 services23 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

19 services18 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.

17 services17 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.

16 services16 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

16 services16 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.

15 services15 patients

Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist 93460

This procedure involves placing a tube into the heart chambers and coronary artery. It helps diagnose heart conditions. A radiologist reviews the images obtained. It's a standard, safe procedure performed by experienced medical professionals.

12 services12 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.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Steele Memorial Medical Center

Critical Access Hospitals · Salmon, ID

OwnershipGovernment - Local

CMS Certification Number131305

LocationP O Box 700Salmon, ID 83467 · Lemhi County

Emergency services

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

St James Healthcare

Acute Care Hospitals · Butte, MT

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270017

Location400 S Clark StButte, MT 59701 · Silver Bow County

Emergency services Birthing friendly

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.

SIMONE MUSCO MD

Internal Medicine (Clinical Cardiac Electrophysiology)

500 W BROADWAY ST, STE 320
MISSOULA, MT 59802

Missoula County (406) 329-5615

PROVIDENCE HEALTH & SERVICES MT

General Acute Care Hospital

500 W BROADWAY ST
MISSOULA, MT 59802

Missoula County (406) 543-7271

JAMIE BELKOWSKI PHARMACIST

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)

500 W BROADWAY ST
MISSOULA, MT 59802

Missoula County (406) 543-7271

DR. DESIREE NICOLE OWSLEY PHARMD

Pharmacist (Pharmacotherapy)

500 W BROADWAY ST
MISSOULA, MT 59802

Missoula County (406) 327-1650

JEANNIE H SWAIN PHARMD

Pharmacist (Pharmacotherapy)

500 W BROADWAY ST
MISSOULA, MT 59802

Missoula County (406) 329-5721

HEATHER HIGHTOWER NP

Nurse Practitioner (Family)

500 W BROADWAY ST
MISSOULA, MT 59802

Missoula County (406) 728-2539

MR. CURTIS G WICKRE MD

Internal Medicine (Nephrology)

500 W BROADWAY ST, 4TH FLOOR
MISSOULA, MT 59802

Missoula County (406) 327-1900

DR. TRAVIS OWEN ABICHT MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

500 W BROADWAY ST
MISSOULA, MT 59802

Missoula County (406) 329-5615

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.

Which organizations bill Medicare for James Maddux's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Maddux reassigns Medicare benefits to 2 organizations: Providence Health & Services Mt (Missoula, MT) and Providence St Joseph Medical Center (Polson, MT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Maddux's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

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 Steele Memorial Medical Center, St Peters Health, St. Patrick Hospital, St James Healthcare 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 weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.