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

Kelvin Kay, M.D.

Internal Medicine Physician

NPI: 1588778542

4.8

127 · Healthgrades

19

Years Exp.

Vallejo

CA

Internal Medicine

Specialty

About

Patients consistently commend Dr. Kay for his thorough approach to diagnosis and treatment, particularly in areas such as stroke management. His approachable bedside manner and willingness to listen to patients' concerns contribute to a predominantly positive patient sentiment, reflected in his 4.8/5 rating from 127 reviews. The typical office visit cost for an internal medicine consultation ranges from $80 to $250.

Practicing Since

Aug 2006

Gender

Male

Experience

19 years

OR Medical License

#MD25898

Practice Type

Group Practice

NPI Number

1588778542
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. Kelvin Kay, 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

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 13 internal medicine physicians in Vallejo 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

4.8

127 reviews

Healthgrades

Overall, patient sentiment regarding Dr. Kelvin Kay, MD, is predominantly positive. Many patients commend his extensive experience, having practiced for over 20 years, and appreciate his expertise in internal medicine. Reviewers often highlight his thoroughness in diagnosing and treating conditions, particularly in areas such as stroke management. Additionally, patients frequently mention his approachable bedside manner, noting that he takes the time to listen to their concerns and explain medical issues clearly. Common themes in praise include Dr. Kay's professionalism, attentiveness, and the quality of care provided at the Kaiser Permanente facilities where he practices. Patients feel reassured by his knowledge and the comprehensive approach he takes to their health. However, some criticisms arise regarding wait times and the efficiency of the office staff, with a few patients expressing dissatisfaction with delays during appointments. Notably, patients consistently mention the supportive environment at Kaiser Permanente, which contributes to their overall satisfaction with Dr. Kay's services. While there are minor concerns about administrative aspects, the positive feedback regarding his medical expertise and patient interaction suggests that he is a strong choice for those seeking an internist in the Vallejo and Vacaville areas.

Location

Address

975 SERENO DR

Vallejo, CA 94589

Phone

9258763882
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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.