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Dr. Jennifer St.john, DO

Endocrinologist, Internist

McKinney, TX

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. St.john, Endocrinologist in McKinney, TX?

    Dr. Jennifer St.john, DO is an Endocrinologist, who primarily practices in McKinney, TX with 2 additional practice locations. Dr. St.john graduated from Lake Erie College Of Osteopathic Medicine and completed her residency at Oklahoma State University Medical Center. Dr. St.john is fluent in English, and is currently seeing new patients. Dr. St.john’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. St.john’s office at (469) 800-5400.

    Where did Dr. St.john go to medical school and complete their residency?

    • Fellowship: University of Oklahoma Health Sciences Center

    • Residency: Oklahoma State University Medical Center

    • Medical School: Lake Erie College Of Osteopathic Medicine

    What languages does Dr. St.john speak?

    Dr. St.john and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does an Endocrinologist like Dr. St.john typically treat?

    As an Endocrinologist, Dr. St.john diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. St.john. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Other Hypothyroidism
    • Hypothyroidism
    • Congenital hypothyroidism
    • Hypothyroidism (Underactive Thyroid)
    • Underactive Thyroid
    • Low Thyroid Function
    • Thyroid Gland Underactivity

    ICD-10 Codes:

    • E038: Other specified hypothyroidism
    • E039: Hypothyroidism, unspecified

    Also known as:

    • Type 2 Diabetes with High Blood Sugar
    • Diabetes Type 2
    • Hyperglycemia
    • Type 2 diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels

    ICD-10 Codes:

    • E1165: Type 2 diabetes mellitus with hyperglycemia

    Also known as:

    • Age-Related Osteoporosis
    • Fractures
    • Osteoporosis
    • Senile Osteoporosis
    • Primary Osteoporosis
    • Bone Thinning from Aging

    ICD-10 Codes:

    • M810: Age-related osteoporosis without current pathological fracture

    What procedures does an Endocrinologist like Dr. St.john typically perform?

    As an Endocrinologist, procedures performed by Dr. Jennifer St.john may include:

    Please contact Dr. St.john's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. St.john accept my insurance?

    Dr. St.john accepts most major insurance plans. Important: Please call our office at (469) 800-5400 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. St.john accept in McKinney, TX?

    Dr. St.john in McKinney, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross Blue Shield of Michigan

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Medicare

    View All Insurances

    Where is Dr. St.john's office located?

    2200 Endocrinolog Specialists Of Mckinne

    5236 W University Dr Ste 2200

    McKinney, TX 75071

    (469) 800-5400

    Get Directions

    Dr. Jennifer St.john's Practice 2

    821 N Coleman St Ste 100

    Prosper, TX 75078

    Get Directions

    Dr. Jennifer St.john's Practice 3

    4001 Worth St

    Dallas, TX 75246

    Get Directions

    What is Dr. St.john's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. St.john's National Provider Identifier (NPI) number is 1861789828.

    What common questions do patients ask about Dr. St.john?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. St.john

    What is Dr. Jennifer St.john's specialty?

    Dr. St.john is an Endocrinologist near McKinney, TX.

    What does an Endocrinologist do?

    An internist specializing in disorders of the endocrine glands, including the thyroid and adrenal glands. This specialist also manages a range of conditions such as diabetes, metabolic and nutritional disorders, obesity, pituitary disorders, and menstrual and sexual health issues.

    Is Dr. Jennifer St.john affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. St.john is affiliated with Baylor Scott & White Surgical Hospital At Sherman, Baylor Scott & White Medical Center - Mckinney which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see an Endocrinologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Endocrinologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Dr. Jennifer St.john accepting new patients in McKinney, TX?

    Yes, Dr. Jennifer St.john is accepting new patients at this time.

    Does Dr. Jennifer St.john offer online booking?

    Please contact Dr. St.john's office at (469) 800-5400 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Jennifer St.john?

    Please contact Dr. St.john's office at (469) 800-5400 to schedule an appointment.

    Where is Dr. St.john's office located?

    Dr. St.john's offices are located in McKinney, TX, Prosper, TX, and Dallas, TX.