John A. Mchenry, M.D.

Cardiovascular Disease Internal Medicine

Internal Medicine

John A. Mchenry is a Cardiovascular Disease Internal Medicine specialist based in Helena, MT with over 38 years of clinical experience. Offers virtual telehealth visits.

(406) 455-5000Helena, MT
Telehealth Available
NPI Active per CMS — Q2 2026

John a. Mchenry, M.D. has practiced internal medicine for 38+ years, working in group practice. A University of California, San Francisco School of Medicine graduate since 1988, he brings 38+ years of experience. Cardiologists specialize in diagnosing and treating heart and blood vessel conditions including coronary artery disease, and more.

1 of 10 Internal Medicine providers in MTSee all Internal Medicine in Helena38+ years experienceNPI since 2005

Older · 521dNPPES updated 2024-12-18 · verify NPI on CMS · Verify license at Montana Board of Medical Examiners

Contact & Location

Practice Location

1645 Vandelay Ave Ste 301, Helena, MT 59601-3929

Fax: (406) 731-8318

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1988

    University of California, San Francisco School of Medicine

  2. Board certified · Dec 17, 2024

    Self-reported via NPPES

  3. 38 years in practice

    Senior practitioner

Internal MedicineCardiovascular Disease in HelenaAllopathic & Osteopathic Physicians

Cardiologists specialize in diagnosing and treating heart and blood vessel conditions including coronary artery disease, heart failure, arrhythmias, valve disorders, and hypertension. They perform diagnostic procedures such as echocardiograms, stress tests, and cardiac catheterization.

Taxonomy: 207RC0000X

Education & Training

University of California, San Francisco School of Medicine (Class of 1988)

Practice Footprint

Mailing address

Po Box 6010, Great Falls, MT 59406-6010

Differs from practice location

Virtual Cardiovascular Disease Care With John a. Mchenry

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with John a. Mchenry for follow-ups, medication reviews, and ongoing care — no travel to Helena required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about John a. Mchenry

Dr. Mchenry is listed as active in the NPI registry with telehealth listed in Helena, MT. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (406) 455-5000.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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