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

Nick Karahalios, MD

Internal Medicine Physician

NPI: 1255442505

4.5

8 · WebMD

19

Years Exp.

San Clemente

CA

Internal Medicine

Specialty

About

Dr. Nick Karahalios, MD, is an experienced internal medicine physician located in San Clemente, CA. He specializes in providing comprehensive care for adolescents, adults, and the elderly, managing both common and complex illnesses. His expertise includes the diagnosis and treatment of a variety of health conditions affecting the heart, lungs, kidneys, and digestive systems, among others. Dr. Karahalios is dedicated to preventative care and wellness, ensuring his patients receive thorough evaluations and tailored treatment plans.

With over 30 years in the medical field, Dr. Karahalios is highly regarded by his patients, reflected in his 4.5-star rating based on 8 reviews. Patients commend him for his attentive listening, respectful demeanor, and effective communication style. He takes the time to explain conditions and treatment options clearly, which fosters a trusting doctor-patient relationship. Typical office visits with Dr. Karahalios range from $80 to $250, making his services accessible for a wide range of patients.

Practicing Since

Aug 2006

Gender

Male

Experience

19 years

CA Medical License

#G77834

Practice Type

Group Practice

NPI Number

1255442505
Avg. Self-Pay Rate

$80

Low

$85

Median

$250

High

A typical office visit with a internal medicine physician in CA costs between $80 and $250, with a median of $85. These figures are based on negotiated office visit rates (CPT 99213–99215) disclosed under the Transparency in Coverage Act.

Actual office visit costs for Dr. Nick Karahalios, MD may vary depending on visit complexity, your insurance plan, and coverage details. Contact the provider's office for exact pricing.

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

San Clemente Low

$70

San Clemente Typical

$202

San Clemente High

$204

In San Clemente, a typical internal medicine physician visit costs $202, ranging from $70 to $204. This is 138% above the California state median of $85. Based on 7 providers with published pricing data.

Across California, a internal medicine physician visit ranges from $80 to $250 with a median of $85. This is 7% below the national median of $91. Based on 2,792 providers with published pricing data.

There are 9 internal medicine physicians in San Clemente and 5,319 across California on our platform.

Individual negotiated rates for this provider are not yet available.

See full internal medicine physician cost breakdown in California
Patient Reviews

4.5

8 reviews

WebMD

Dr. Nick Karahalios, MD, an internist in San Clemente, CA, has received an overall positive sentiment from patients, reflected in his 4.5-star rating based on 8 reviews. Patients appreciate his extensive experience of over 30 years in the medical field, as well as his ability to listen attentively and answer questions thoroughly. Common themes of praise include his respectful demeanor, effective communication, and the time he takes to explain conditions and treatments. Many patients noted that they felt their appointments were not rushed and that they could trust his medical decisions. Additionally, the friendliness of the staff and efficient appointment scheduling were highlighted positively. While the reviews are predominantly positive, there are no significant criticisms mentioned, indicating a generally satisfactory experience for patients. Notable specifics that patients frequently mentioned include the quality of follow-up care and the doctor's willingness to address their concerns comprehensively. Overall, Dr. Karahalios appears to be a well-regarded physician for those seeking internal medicine services, particularly for individuals who value a thorough and communicative approach to their healthcare.

Location

Address

665 CAMINO DE LOS MARES STE 309

San Clemente, CA 92673

Phone

9494879034
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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.