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Dr. John Mackenzie, DO

Internal Medicine*
Map Pin Small Seaford, DE
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35 years of experience

Overview of Dr. John Mackenzie, DO

Dr. John Mackenzie, DO is an Internal Medicine Specialist in Seaford, DE. They specialize in Internal Medicine, has 35 years of experience, and is board certified in Internal Medicine. They graduated from University of Texas at Austin Dell Medical School and is affiliated with TidalHealth Nanticoke.

Dr. Mackenzie works at Practice in Seaford, DE. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Dr. Mackenzie's Office Locations

  1. 1
    Tidalhealth Nanticoke
    801 Middleford Rd, Seaford, DE 19973 Icon Directions Right Arrow Directions Phone Icon (302) 629-6611

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • TidalHealth Nanticoke

Experience & Treatment Frequency

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What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

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May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

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Shortness of Breath
Chest Pain
Alcohol Withdrawal

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Shortness of Breath
Chest Pain
Alcohol Withdrawal
Burn Injuries
Cerebral Embolism
Collapsed Lung (Pneumothorax)
Dehydration
Drug Withdrawal
Embolism
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Humerus Fracture
Iliac Aneurysm
Opioid Withdrawal
Partial Lung Collapse
Pleural Effusion
Priapism
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Pulmonary Edema
Respiratory Failure
Septic Embolism
Stroke
  • View other providers who treat Stroke
Ventricular Tachycardia (VT)
Detoxification Evaluation
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    • MVP Health Care

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    About Dr. John Mackenzie, DO

    Specialties*
    • Internal Medicine

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 35 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.
    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1427037449
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Medical Education
    • University of Texas at Austin Dell Medical School
    Medical Education
    Board Certifications
    • Internal Medicine
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. Mackenzie has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Mackenzie has not been reviewed and rated on Healthline FindCare, yet. If you have seen this provider you can leave your own review based on your experience with Dr. Mackenzie.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Mackenzie, there are benefits to both methods. A person calling to schedule an with Dr. Mackenzie appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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