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Profile last updated: March 2026How we source this data
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Provider Profile

Diane Yahn, MD

Internal Medicine Physician

NPI: 1205880788

3

41 · US News

19

Years Exp.

Missoula

MT

Internal Medicine

Specialty

About

Dr. Diane Yahn, MD, is an experienced internal medicine physician practicing in Missoula, MT. She specializes in managing both common and complex illnesses in adolescents, adults, and the elderly, providing comprehensive care in both office and hospital settings. Dr. Yahn is dedicated to the prevention, diagnosis, and treatment of various conditions affecting the heart, kidneys, and respiratory systems, among others.

With a mixed overall patient sentiment reflected in a 3.0-star rating based on 41 reviews, Dr. Yahn is noted for her friendly demeanor and effective communication skills. Many patients appreciate her empathetic approach and the attentive nature of her staff, although some have expressed concerns regarding certain aspects of their experiences.

Dr. Yahn has been practicing for several years, and her estimated visit costs start at approximately $80, making her services accessible to a wide range of patients seeking quality internal medicine care.

Practicing Since

May 2006

Gender

Female

Experience

19 years

MT Medical License

#8818

Practice Type

Group Practice

NPI Number

1205880788
Avg. Self-Pay Rate

Self-pay rates shown are averages across all procedures on file for this provider, sourced from Transparency in Coverage Act data. These are cash-pay prices — what you'd typically pay without using insurance. Actual rates may vary by procedure, location, and date of service.

MOD SED SAME PHYS/QHP EACH ADDL 15 MINS

CPT: 99153professional

$866

EMERGENCY DEPARTMENT VISIT STRAIGHTFORWARD MDM

CPT: 99282professional

$254

EMERGENCY DEPARTMENT VISIT MAY NOT REQ PHYS/QHP

CPT: 99281professional

$247

Cost data sourced from insurer Transparency in Coverage Act filings. Costs shown are negotiated rates and may not reflect your actual out-of-pocket cost. Learn about our data

Local Market

Missoula Low

$80

Missoula Typical

$80

Missoula High

$80

In Missoula, a typical internal medicine physician visit costs $80, ranging from $80 to $80. This is 0% above the Montana state median of $80. Based on 16 providers with published pricing data.

Montana Low

$80

Montana Typical

$80

Montana High

$102

Across Montana, a internal medicine physician visit ranges from $80 to $102 with a median of $80. This is 12% below the national median of $91. Based on 27 providers with published pricing data.

There are 5 internal medicine physicians in Missoula and 10 across Montana on our platform.

See full internal medicine physician cost breakdown in Montana
Patient Reviews

3

41 reviews

US News

Dr. Diane Yahn, MD, an internist in Missoula, MT, has received a mixed overall patient sentiment with a 3.3-star rating based on 10 reviews. While some patients express satisfaction with her care, noting her practical and empathetic approach, others have voiced concerns about various aspects of their experience. Common themes in praise include Dr. Yahn's friendly demeanor, effective communication, and the attentive nature of her staff. Patients appreciate her ability to listen and answer questions, as well as the comfortable office environment and reasonable wait times. However, criticisms often revolve around perceived shortcomings in thoroughness during examinations and the clarity of her follow-up instructions. Some patients also felt that the amount of time spent with them during appointments was insufficient, leading to a fair rating in areas such as follow-up care and perceived outcomes. Notably, while many patients trust Dr. Yahn's decisions and express a willingness to recommend her, the significant percentage of 1-star reviews indicates that there are areas for improvement, particularly regarding the depth of care and communication. Prospective patients may want to consider these factors when deciding whether to seek her services.

Location

Address

500 WEST BROADWAY

Missoula, MT 59802

Phone

4067215600
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Momentary Lab sources provider data from the CMS NPI Registry and cost data from federal Transparency in Coverage files. Reviews aggregated from Healthgrades, Vitals, WebMD, and other public sources. Learn how we verify and update healthcare information.

This page is for informational purposes only and does not constitute medical advice. Cost estimates are based on publicly available negotiated rate data and may not reflect your actual out-of-pocket cost. Always consult with your healthcare provider and insurance company for accurate cost information and medical decisions.