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Dr. Karthika Rajan, MD

Columbus, OH

Accepting patients

    Who is Dr. Rajan, Endocrinologist in Columbus, OH?

    Dr. Karthika Rajan, MD is an Endocrinologist, who primarily practices in Columbus, OH with 2 additional practice locations. She is board certified by the American Board of Internal Medicine. Dr. Rajan is fluent in English and Tamil, and is currently seeing new patients. Dr. Rajan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Rajan’s office at (740) 420-8581.

    Is Dr. Rajan board certified in Endocrinologist?

    Yes, Dr. Karthika Rajan, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Rajan speak?

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

    • English

    • Tamil

    What conditions does Dr. Rajan treat?

    As a Endocrinologist, Dr. Rajan 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. Rajan. 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.

    Also known as:

    • Long-Term Insulin Use
    • Diabetes Medicines
    • Chronic insulin therapy
    • Ongoing insulin treatment
    • Insulin for diabetes

    ICD-10 Codes:

    • Z794: Long term (current) use of insulin

    Also known as:

    • Type 2 Diabetes with High Blood Sugar
    • Type 2 Diabetes
    • Diabetes Type 2
    • Hyperglycemia
    • Type 2 diabetes
    • Diabetes Complicationss
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels
    • Diabetes Mellitus Complications
    • Diabetes Related Health Problems
    • Advanced Diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E1165: Type 2 diabetes mellitus with hyperglycemia
    • E1169: Type 2 diabetes mellitus with other specified complication
    • E119: Type 2 diabetes mellitus without complications

    Also known as:

    • Type 1 Diabetes with High Blood Sugar
    • Diabetes Type 1
    • Hyperglycemia
    • Type 1 diabetes
    • Diabetes Complicationss
    • Diabetic Hyperglycemia
    • High Glucose in Type 1 Diabetes
    • High Blood Sugar Episode
    • Type 1 Diabetes Mellitus Complications
    • Diabetes Related Health Problems

    ICD-10 Codes:

    • E1065: Type 1 diabetes mellitus with hyperglycemia
    • E1069: Type 1 diabetes mellitus with other specified complication

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Having an Insulin Pump
    • Diabetes Medicines
    • Diabetes pump
    • Continuous insulin delivery
    • Automated insulin delivery

    ICD-10 Codes:

    • Z9641: Presence of insulin pump (external) (internal)

    Also known as:

    • Nontoxic Multinodular Goiter
    • Thyroid Disease
    • Multinodular Goiter
    • Lumpy Enlarged Thyroid

    ICD-10 Codes:

    • E042: Nontoxic multinodular goiter

    Also known as:

    • Graves' Disease
    • Hyperthyroidism
    • Graves' disease
    • Graves Disease
    • Hyperthyroidism with Goiter
    • Toxic Diffuse Goiter
    • Overactive Thyroid with Enlarged Gland

    ICD-10 Codes:

    • E0500: Thyrotoxicosis with diffuse goiter without thyrotoxic crisis or storm

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Hypothyroidism
    • Congenital hypothyroidism
    • Hypothyroidism (Underactive Thyroid)
    • Underactive Thyroid
    • Low Thyroid Function

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • Vitamin D Deficiency
    • Low Vitamin D Levels
    • Lack of Vitamin D
    • Hypovitaminosis D

    ICD-10 Codes:

    • E559: Vitamin D deficiency, unspecified

    Does Dr. Rajan accept my insurance?

    Dr. Rajan accepts most major insurance plans. Important: Please call our office at (740) 420-8581 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Rajan accept in Columbus, OH?

    Dr. Rajan in Columbus, OH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • CareSource

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Humana

    • Medical Mutual

    • Medicare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Rajan's office located?

    Dr. Karthika Rajan's Primary Practice

    420 N James Rd

    Columbus, OH 43219

    (740) 420-8581

    Get Directions

    Dr. Karthika Rajan's Practice 2

    600 N Pickaway St

    Circleville, OH 43113

    Get Directions

    Dr. Karthika Rajan's Practice 3

    9085 Southern St Ste 200A

    Orient, OH 43146

    Get Directions

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

    Dr. Rajan's National Provider Identifier (NPI) number is 1457450595.

    What common questions do patients ask about Dr. Rajan?

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

    What is Dr. Karthika Rajan's specialty?

    Dr. Rajan is a Endocrinologist near Columbus, OH. 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. Contact Dr. Rajan to book an appointment today.

    Is this Dr. Karthika Rajan affiliated with a ranked Castle Connolly Top Hospital?

    No, Rajan is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Chalmers P. Wylie Veterans Outpatient Clinic. Castle Connolly Top Hospitals 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

    Where can I learn more about Endocrinologist?

    Explore Endocrinologist with 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 Karthika Rajan accepting new patients in Columbus, OH?

    Yes, Dr. Karthika Rajan is accepting new patients at this time.

    Does Dr. Karthika Rajan offer online booking?

    Please contact Dr. Rajan's office at (740) 420-8581 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Karthika Rajan?

    Please contact Dr. Rajan's office at (740) 420-8581 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Karthika Rajan have?

    Dr. Karthika Rajan is certified by the American Board of Internal Medicine.

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