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Dr. Mark Feldner, MD

Saint John, IN

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Feldner, Family Medicine Specialist in Saint John, IN?

    Dr. Mark Feldner, MD is a Family Medicine Specialist, who primarily practices in Saint John, IN with 2 additional practice locations. He is board certified by the American Board of Family Medicine. Dr. Feldner graduated from University of Perpetual Help System Dalta Jonelta Foundation School of Medicine and completed his residency at Methodist Hospitals, Family Medicine. Dr. Feldner is fluent in English and Spanish, and is currently seeing new patients. Dr. Feldner’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Feldner’s office at (219) 365-1166.

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

    • Residency: Methodist Hospitals, Family Medicine | Methodist Hospital (Houston) Program

    • Medical School: Perpetual Help Coll Of Med- Binan- Laguna- Philippines | University of Perpetual Help System Dalta Jonelta Foundation School of Medicine

    Is Dr. Feldner board certified in Family Medicine Specialist?

    Yes, Dr. Mark Feldner, MD is board certified by the American Board of Family Medicine

    What languages does Dr. Feldner speak?

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

    • English

    • Spanish

    What conditions does Dr. Feldner treat?

    As a Family Medicine Specialist, Dr. Feldner 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. Feldner. 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:

    • 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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Sore Throat
    • Strep Throat
    • Streptococcal Infection
    • Acute pharyngitis
    • Throat inflammation
    • Acute throat infection
    • Bacterial Sore Throat
    • Pharyngitis
    • Strep Infection

    ICD-10 Codes:

    • J029: Acute pharyngitis, unspecified
    • J020: Streptococcal pharyngitis

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Hypercholesterolemia
    • High blood cholesterol
    • Elevated cholesterol

    ICD-10 Codes:

    • E7800: Pure hypercholesterolemia, unspecified

    Also known as:

    • Acute Cough
    • Cough
    • Sudden cough
    • Short-term cough
    • New cough

    ICD-10 Codes:

    • R051: Acute cough

    Also known as:

    • Cough
    • Coughing
    • Persistent cough
    • Chronic cough

    ICD-10 Codes:

    • R059: Cough, unspecified

    Also known as:

    • Common Cold
    • Upper Respiratory Infection
    • Head Cold
    • Cold Symptoms

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, unspecified

    Also known as:

    • Acute Lower Respiratory Infection
    • Lung Disease
    • Lung infection
    • Chest infection
    • Acute respiratory infection

    ICD-10 Codes:

    • J22: Unspecified acute lower respiratory infection

    Also known as:

    • Flu with Respiratory Symptoms
    • Flu
    • Influenza with Breathing Problems
    • Flu with Cough
    • Severe Flu

    ICD-10 Codes:

    • J101: Influenza due to other identified influenza virus with other respiratory manifestations

    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:

    • Fever
    • High temperature
    • Pyrexia
    • Elevated body temperature

    ICD-10 Codes:

    • R509: Fever, unspecified

    Also known as:

    • Anxiety Disorder
    • Anxiety
    • General Anxiety
    • Anxiety Problems
    • Nervous Disorder

    ICD-10 Codes:

    • F419: Anxiety disorder, unspecified

    Also known as:

    • COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • Coronavirus Disease 2019
    • SARS-CoV-2 Infection
    • Novel Coronavirus

    ICD-10 Codes:

    • U071: COVID-19

    Also known as:

    • Acute Maxillary Sinus Infection
    • Sinusitis
    • Acute maxillary sinusitis
    • Short-term cheekbone sinus infection
    • Maxillary sinus inflammation

    ICD-10 Codes:

    • J0100: Acute maxillary sinusitis, unspecified

    Also known as:

    • Stuffy Nose
    • Nose Injuries and Disorder
    • Blocked nose
    • Nasal congestion
    • Congested nose

    ICD-10 Codes:

    • R0981: Nasal congestion

    Also known as:

    • Viral Infection
    • Virus Infection
    • Viral Illness
    • Common Virus

    ICD-10 Codes:

    • B349: Viral infection, unspecified

    Also known as:

    • Painful Urination
    • Urine and Urination
    • Dysuria
    • Burning when peeing
    • Stinging during urination

    ICD-10 Codes:

    • R300: Dysuria

    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

    Which procedures does Dr. Feldner perform as a Family Medicine Specialist?

    As a Family Medicine Specialist, procedures performed by a Dr. Mark Feldner may include:

    For detailed information, please contact Dr. Feldner's office.

    Does Dr. Feldner accept my insurance?

    Dr. Feldner accepts most major insurance plans. Important: Please call our office at (219) 365-1166 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Feldner accept in Saint John, IN?

    Dr. Feldner in Saint John, IN accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Allied Benefit Systems

    • Blue Cross Blue Shield of Michigan

    • Carpenters Funds Administrative Office (CA)

    • Express Scripts

    • Humana

    • MagnaCare Rx

    • Medicare

    • State of Illinois

    • State of Tennessee

    View All Insurances

    Where is Dr. Feldner's office located?

    Dr. Mark Feldner's Primary Practice

    9660 Wicker Ave

    Saint John, IN 46373

    (219) 365-1166

    Get Directions

    Dr. Mark Feldner's Practice 2

    6625 W Lincoln Hwy Ste 4

    Crown Point, IN 46307

    Get Directions

    Dr. Mark Feldner's Practice 3

    7651 Harvest Dr

    Schererville, IN 46375

    (219) 365-1166

    Get Directions

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

    Dr. Feldner's National Provider Identifier (NPI) number is 1952300873.

    What common questions do patients ask about Dr. Feldner?

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

    What is Dr. Mark Feldner's specialty?

    Dr. Feldner is a Family Medicine Specialist near Saint John, IN. Family Medicine is a medical specialty focused on comprehensive healthcare for individuals and families. It is a broad field that integrates biological, clinical, and behavioral sciences. The scope of family medicine covers all ages, genders, organ systems, and disease conditions, offering a holistic approach to patient care. Contact Dr. Feldner to book an appointment today.

    Is this Dr. Mark Feldner affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Feldner is affiliated with Community Hospital of Munster, Northwestern Medicine Palos Hospital, Bronson LakeView 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 Family Medicine Specialist?

    Explore Family Medicine Specialist 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 Feldner accepting new patients in Saint John, IN?

    Yes, Dr. Mark Feldner is accepting new patients at this time.

    Does Dr. Mark Feldner offer online booking?

    Please contact Dr. Feldner's office at (219) 365-1166 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mark Feldner?

    Please contact Dr. Feldner's office at (219) 365-1166 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mark Feldner have?

    Dr. Mark Feldner is certified by the American Board of Family Medicine.

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