JOAN M MCMAHON MD
NPI 1467403345
Internal Medicine in Lewistown, MT

Q: What is Joan Mcmahon's NPI number?

The NPI number for Joan Mcmahon is 1467403345. It was assigned to this individual provider in the NPPES registry on May 15, 2006.

Q: What is Joan Mcmahon's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Joan Mcmahon was last updated on June 19, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 15, 2006PECOS EnrolledAccepts Medicare Assignment

408 WENDELL AVE, LEWISTOWN, MT 59457(406) 535-1502 Get Directions Write a Review

NPPES record last updated: June 19, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Joan M Mcmahon Md NPPES

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

JOAN M MCMAHON MD (NPI 1467403345) is an individual internal medicine provider in Lewistown, Montana, licensed in Montana (MED-PHYS-LIC-9666) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Central Montana Medical Center, and is a graduate of Saint Louis University School Of Medicine (1996).

NPPES Registry Identity

NPI1467403345

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameJOAN M MCMAHONCredential: MD

Location Address408 WENDELL AVELewistown, MT 59457-2261

Mailing Address310 Wendell Ave, Att: Clinic ManagerLewistown, MT 59457-2267 · (406) 535-1502 · Fax (406) 535-6299

Phone(406) 535-1502

Sole ProprietorNo

Medical School CMSSaint Louis University School Of MedicineGraduated 1996

Enumeration DateMay 15, 2006

Last NPPES UpdateJune 19, 2024

NPPES CertifiedJune 19, 2024

✔ NPI 1467403345 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MT · MED-PHYS-LIC-9666

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedHospitalistTaxonomy 208M00000X · License MED-PHYS-LIC-9666 (MT)

408 WENDELL AVE, Lewistown, MT 59457

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Other Identifiers 2

Medicaid0029206MT

Other810536408MT · Tax Id #

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, PacificSource Health Plans, Providence Health Plan.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

Joan M Mcmahon 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 ID9537123229

PECOS Enrollment IDI20041112000618

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.

Hospital Affiliations CMS Care Compare

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

Central Montana Medical Center

Critical Access Hospitals · Lewistown, MT

OwnershipVoluntary non-profit - Private

CMS Certification Number271345

Location408 Wendell AveLewistown, MT 59457 · Fergus County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59457 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.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

4 suppliers33 claims34 services$14.40 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

2 suppliers12 claims12 services$790.33 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

2 suppliers12 claims12 services$29.36 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

5 suppliers48 claims49 services$109.17 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$38.23 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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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.

BRIAN L PRIEST M.D.

Emergency Medicine (Emergency Medical Services)