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

Kenneth Sunnergren, M.D.

Cardiovascular Disease Physician

NPI: 1720055122

4.7

24 · Healthgrades

3.2

7 · RateMDs

20

Years Exp.

Lewes

DE

Internal Medicine

Specialty

About

Dr. Kenneth Sunnergren, MD, is a skilled cardiovascular disease physician located in Lewes, Delaware. He specializes in the diagnosis and management of complex cardiac conditions, including heart attacks and abnormal heartbeat rhythms, utilizing his extensive medical training to provide comprehensive care to his patients.

With a patient rating of 4.4 out of 5 based on 57 reviews, Dr. Sunnergren's expertise in cardiology is often acknowledged, with many patients appreciating his thorough explanations of diagnoses. However, feedback indicates a mixed sentiment regarding his bedside manner and communication skills, highlighting a divide in patient experiences.

While specific years in practice and visit costs are not provided, Dr. Sunnergren's commitment to managing cardiovascular diseases underscores the importance of expert care in this critical field of medicine.

Practicing Since

Mar 2006

Gender

Male

Experience

20 years

DE Medical License

#C10005267

Practice Type

Group Practice

NPI Number

1720055122

Additional Practice Locations

424 SAVANNAH RD, LEWES, DE 19958 · 302-645-1233

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.

SUBCUTANEOUS INJECTION FILLING MATRL 1.1-5.0 CC

CPT: 11951professional

$802

ECG ROUTINE ECG W/LEAST 12 LDS I&R ONLY

CPT: 93010professional

$80

CV STRS TST XERS&/OR RX CONT ECG W/O I&R

CPT: 93016professional

$80

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

Delaware Low

$80

Delaware Typical

$80

Delaware High

$100

Across Delaware, a cardiovascular disease physician visit ranges from $80 to $100 with a median of $80. This is 18% below the national median of $97. Based on 2 providers with published pricing data.

There are 6 cardiovascular disease physicians in Lewes and 27 across Delaware on our platform.

See full cardiovascular disease physician cost breakdown in Delaware
Patient Reviews

4.7

24 reviews

Healthgrades

3.2

7 reviews

RateMDs

4

46 reviews

US News

3

2 reviews

Sharecare

Overall, patient sentiment regarding Dr. Kenneth Sunnergren is mixed. While some patients express high levels of satisfaction with his care, others report significant dissatisfaction, particularly concerning his bedside manner and communication skills. The average rating across reviews is 3.2 out of 5, indicating a divide in patient experiences. Common themes in praise include Dr. Sunnergren's expertise and knowledge in cardiology, with several patients noting his thorough explanations of diagnoses and treatments. Many appreciate his caring demeanor and express confidence in his medical abilities, particularly those who have been long-term patients. Conversely, criticisms often focus on his perceived rudeness and unprofessional behavior, with some patients describing negative experiences related to wait times and a lack of communication from his office staff. Specific incidents of poor bedside manner and aggressive interactions were highlighted, contributing to a sense of frustration among certain patients. Notably, patients frequently mention issues with the office's responsiveness and time management, particularly in follow-up communications regarding test results. This inconsistency in patient care and communication may be a significant factor for prospective patients to consider when deciding whether to consult Dr. Sunnergren.

Location

Address

16704 KINGS HWY

Lewes, DE 19958

Phone

3026451233
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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.