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

John Herath, MD

Internal Medicine Physician

NPI: 1740286913

5

3 · WebMD

20

Years Exp.

Onalaska

WI

Internal Medicine

Specialty

About

Dr. John Herath, MD, is an internal medicine physician located in Onalaska, Wisconsin. He specializes in providing comprehensive care for adolescents, adults, and the elderly, managing both common and complex illnesses. His extensive training includes the diagnosis and treatment of various conditions affecting the heart, kidneys, and respiratory systems, among others. Dr. Herath is known for his commitment to disease prevention and wellness, ensuring each patient receives personalized care tailored to their needs.

With a perfect patient rating of 5.0 out of 5 based on multiple reviews, Dr. Herath is highly regarded for his excellent bedside manner and attentiveness. Patients appreciate the time he dedicates to appointments, his ability to listen to their concerns, and his thorough follow-up care, which fosters trust and satisfaction. Dr. Herath's practice has a starting visit cost of approximately $418, reflecting his dedication to providing quality healthcare in the Onalaska community.

Practicing Since

Jun 2005

Gender

Male

Experience

20 years

WI Medical License

#42729

Practice Type

Group Practice

NPI Number

1740286913
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.

CRITICAL CARE ILL/INJURED PATIENT INIT 30-74 MIN

CPT: 99291professional

$771

TRANSJ CARE MGMT HIGH MDM F2F 7 CAL D DISCHARGE

CPT: 99496professional

$682

OFFICE/OUTPATIENT NEW HIGH MDM 60 MINUTES

CPT: 99205professional

$539

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

Wisconsin Low

$73

Wisconsin Typical

$98

Wisconsin High

$315

Across Wisconsin, a internal medicine physician visit ranges from $73 to $315 with a median of $98. This is 8% above the national median of $91. Based on 955 providers with published pricing data.

There are 2 internal medicine physicians in Onalaska and 24 across Wisconsin on our platform.

See full internal medicine physician cost breakdown in Wisconsin
Patient Reviews

5

3 reviews

WebMD

Dr. John Herath, MD, an internist based in Onalaska, Wisconsin, has received overwhelmingly positive feedback from his patients, earning a perfect rating of 5 out of 5 across multiple review platforms. Patients frequently commend his excellent bedside manner, attentiveness, and the time he dedicates to each appointment. Many reviews highlight his ability to listen carefully to patient concerns and provide thorough follow-up care, contributing to a strong sense of trust and satisfaction among those he treats. While the reviews are predominantly positive, there are no significant criticisms noted in the available feedback. Patients appreciate his expertise in managing chronic conditions such as coronary artery disease, diabetes, and hypertension. The consensus is that Dr. Herath is a highly recommended physician, particularly for adults seeking a caring and knowledgeable primary care provider. Overall, prospective patients can expect a supportive and attentive experience when consulting with Dr. Herath.

Location

Address

3111 GUNDERSEN DR

Onalaska, WI 54650

Phone

6087827300
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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.