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Dr. Mark O'connor, MD

Worcester, MA

Accepting patients

    Who is Dr. O'connor, Endocrinologist in Worcester, MA?

    Dr. Mark O'connor, MD is an Endocrinologist, who primarily practices in Worcester, MA with 1 additional practice location. He is board certified. Dr. O'connor is fluent in English, and is currently seeing new patients. Dr. O'connor’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'connor’s office at (508) 334-3206.

    What languages does Dr. O'connor speak?

    Dr. O'connor and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. O'connor treat?

    As a Endocrinologist, Dr. O'connor 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. O'connor. 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:

    • Type 2 Diabetes with High Blood Sugar
    • Type 2 Diabetes
    • Type 2 Diabetes with Diabetic Neuropathy
    • Type 2 Diabetes with Chronic Kidney Disease
    • Diabetes Type 2
    • Hyperglycemia
    • Type 2 diabetes
    • Diabetic Nerve Problems
    • Diabetic Neuropathy
    • Diabetic Kidney Problems
    • Diabetes Complicationss
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes
    • Diabetic Nerve Damage
    • Diabetic Polyneuropathy
    • Peripheral Neuropathy from Diabetes
    • Diabetes Mellitus Nerve Problems
    • Diabetic Chronic Kidney Disease
    • Long-term Kidney Failure from Type 2 Diabetes
    • Type 2 Diabetes End-Stage Renal Disease
    • Diabetes Mellitus Complications
    • Diabetes Related Health Problems
    • Advanced Diabetes
    • Diabetic nerve damage
    • Diabetes-related nerve pain
    • Peripheral neuropathy from diabetes

    ICD-10 Codes:

    • E1165: Type 2 diabetes mellitus with hyperglycemia
    • E119: Type 2 diabetes mellitus without complications
    • E1142: Type 2 diabetes mellitus with diabetic polyneuropathy
    • E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease
    • E1169: Type 2 diabetes mellitus with other specified complication
    • E1140: Type 2 diabetes mellitus with diabetic neuropathy, unspecified

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

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

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    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

    Also known as:

    • Severe Obesity
    • Obesity
    • Helping Your Child Who Is Overweight
    • Take Charge of Your Health: A Guide for Teenagers
    • Understanding Adult Overweight & Obesity
    • Morbid Obesity
    • Extreme Obesity
    • Class 3 Obesity
    • Excess Weight
    • Being Overweight
    • High BMI

    ICD-10 Codes:

    • E6601: Morbid (severe) obesity due to excess calories
    • E669: Obesity, unspecified

    Also known as:

    • Type 1 Diabetes
    • Diabetes Type 1
    • Type 1 diabetes
    • Diabetes Tests & Diagnosis
    • Juvenile Diabetes
    • Insulin-Dependent Diabetes
    • T1D

    ICD-10 Codes:

    • E109: Type 1 diabetes mellitus without complications

    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:

    • Hyperparathyroidism
    • Parathyroid Disorder
    • Overactive Parathyroid Gland
    • High Parathyroid Hormone
    • PTH Overproduction

    ICD-10 Codes:

    • E213: Hyperparathyroidism, unspecified

    Does Dr. O'connor accept my insurance?

    Dr. O'connor accepts most major insurance plans. Important: Please call our office at (508) 334-3206 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'connor accept in Worcester, MA?

    Dr. O'connor in Worcester, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Blue Cross Blue Shield of Massachusetts

    • Blue Cross Blue Shield of Michigan

    • CVS Health (formerly Aetna)

    • Medicare

    • Molina

    • Network Health

    • Other TPA

    • State of Massachusetts

    • UMass Memorial Health Care

    View All Insurances

    Where is Dr. O'connor's office located?

    Dr. Mark O'connor's Primary Practice

    55 Lake Ave N

    Worcester, MA 01655

    (508) 334-3206

    Get Directions

    Dr. Mark O'connor's Practice 2

    100 Hospital Rd

    Leominster, MA 01453

    Get Directions

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

    Dr. O'connor's National Provider Identifier (NPI) number is 1518300284.

    What common questions do patients ask about Dr. O'connor?

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

    What is Dr. Mark O'connor's specialty?

    Dr. O'connor is a Endocrinologist near Worcester, MA. 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. O'connor to book an appointment today.

    Is this Dr. Mark O'connor affiliated with a ranked Castle Connolly Top Hospital?

    No, O'connor is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Umass Memorial Medical Center - University Campus. 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 Mark O'connor accepting new patients in Worcester, MA?

    Yes, Dr. Mark O'connor is accepting new patients at this time.

    Does Dr. Mark O'connor offer online booking?

    Please contact Dr. O'connor's office at (508) 334-3206 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mark O'connor?

    Please contact Dr. O'connor's office at (508) 334-3206 for information regarding telehealth appointment availability or for scheduling assistance.

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