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Dr. John Nirmalnath, MD

Ontario, OH

40 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Nirmalnath, Internist in Ontario, OH?

    Dr. John Nirmalnath, MD is an Internist, who primarily practices in Ontario, OH. He has been practicing for over 40 years and is board certified by the American Board of Internal Medicine. Dr. Nirmalnath graduated from Madras Med College and completed his residency at Ohio Valley Med Ctr, Internal Medicine. Dr. Nirmalnath is fluent in English and Tamil, and is currently seeing new patients. Dr. Nirmalnath’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nirmalnath’s office at (419) 462-4561.

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

    • Residency: Ohio Valley Med Ctr, Internal Medicine | Ohio Valley Med Center | MSOPTI/Ohio Valley Medical Center Program

    • Medical School: Madras Med Coll, Dr M G R Med University, Madras, Tn, India | Dr M.G.R. Medical University / Madras Medical College | Madras Med College | Chennai University Of Chennai

    Is Dr. Nirmalnath board certified in Internist?

    Yes, Dr. John Nirmalnath, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Nirmalnath speak?

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

    • English

    • Tamil

    What conditions does Dr. Nirmalnath treat?

    As a Internist, Dr. Nirmalnath 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. Nirmalnath. 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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Mixed High Cholesterol and Triglycerides
    • Cholesterol
    • Triglycerides
    • Mixed hyperlipidemia
    • Combined hyperlipidemia
    • High lipids

    ICD-10 Codes:

    • E782: Mixed hyperlipidemia

    Also known as:

    • Type 2 Diabetes
    • Type 2 Diabetes with High Blood Sugar
    • Diabetes Type 2
    • Type 2 diabetes
    • Hyperglycemia
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications
    • E1165: Type 2 diabetes mellitus with hyperglycemia

    Also known as:

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

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • Other Specific B Vitamin Deficiency
    • B Vitamins
    • Malnutrition
    • Specific B Vitamin Shortage
    • Less Common B Vitamin Deficiency
    • Rare B Vitamin Deficiency

    ICD-10 Codes:

    • E538: Deficiency of other specified B group vitamins

    Also known as:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    Also known as:

    • Prostate Cancer Screening
    • Prostate Cancer Screening (PDQ®)
    • PSA Test
    • Prostate Exam
    • Prostate Cancer Check

    ICD-10 Codes:

    • Z125: Encounter for screening for malignant neoplasm of prostate

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    Also known as:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Also known as:

    • Other Abnormal Enzyme Levels
    • Unspecified high enzymes
    • Various enzyme abnormalities
    • Abnormal serum enzyme levels

    ICD-10 Codes:

    • R748: Abnormal levels of other serum enzymes

    Also known as:

    • Atrial Fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I480: Paroxysmal atrial fibrillation

    Also known as:

    • COPD
    • Chronic Obstructive Pulmonary Disease
    • Chronic Lung Disease
    • Emphysema and Chronic Bronchitis

    ICD-10 Codes:

    • J449: Chronic obstructive pulmonary disease, unspecified

    Also known as:

    • Chronic Atrial Fibrillation
    • Atrial Fibrillation
    • Persistent AFib
    • Long-term AFib
    • Ongoing Atrial Fibrillation

    ICD-10 Codes:

    • I4820: Chronic atrial fibrillation, unspecified

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

    Also known as:

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

    ICD-10 Codes:

    • E559: Vitamin D deficiency, 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:

    • Insomnia
    • Sleep Disorder
    • Sleeplessness
    • Trouble Sleeping
    • Primary Insomnia

    ICD-10 Codes:

    • F5101: Primary insomnia

    Also known as:

    • Low Potassium
    • Fluid and Electrolyte Balance
    • Potassium
    • Hypokalemia
    • Potassium Deficiency

    ICD-10 Codes:

    • E876: Hypokalemia

    Also known as:

    • Other Pre-Procedure Examination
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments

    ICD-10 Codes:

    • Z01818: Encounter for other preprocedural examination

    What procedures does Dr. Nirmalnath perform?

    As a Internist, Dr. Nirmalnath performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Nirmalnath. 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:

    • Impacted Ear Wax Removal (One Ear)
    • Cerumen Impaction Removal
    • Ear Wax Extraction with Tools
    • Professional Ear Cleaning

    CPT Codes:

    • 69210: Removal impacted cerumen requiring instrumentation, unilateral

    Does Dr. Nirmalnath accept my insurance?

    Dr. Nirmalnath accepts most major insurance plans. Important: Please call our office at (419) 462-4561 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Nirmalnath accept in Ontario, OH?

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

    Top Insurances

    • Blue Cross and Blue Shield of Nebraska

    • CareSource

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Humana

    • Medicaid

    • Medical Mutual

    • Medicare

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Nirmalnath's office located?

    Dr. John Nirmalnath's Primary Practice

    2981 W 4th St

    Ontario, OH 44906

    (419) 462-4561

    Get Directions

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

    Dr. Nirmalnath's National Provider Identifier (NPI) number is 1225210651.

    What common questions do patients ask about Dr. Nirmalnath?

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

    What is Dr. John Nirmalnath's specialty?

    Dr. Nirmalnath is a Internist near Ontario, OH.

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Contact Dr. Nirmalnath to book an appointment today.

    Is this Dr. John Nirmalnath affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Nirmalnath is affiliated with Cleveland Clinic Main Campus, Knox Community Hospital 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

    Where can I learn more about Internist?

    Explore Internist 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 John Nirmalnath accepting new patients in Ontario, OH?

    Yes, Dr. John Nirmalnath is accepting new patients at this time.

    Does Dr. John Nirmalnath offer online booking?

    Please contact Dr. Nirmalnath's office at (419) 462-4561 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Nirmalnath?

    Please contact Dr. Nirmalnath's office at (419) 462-4561 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Nirmalnath have?

    Dr. John Nirmalnath is certified by the American Board of Internal Medicine.

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