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Dr. John Freiheiter, MD

Randolph, NJ

29 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Freiheiter, Internist in Randolph, NJ?

    Dr. John Freiheiter, MD is an Internist, who primarily practices in Randolph, NJ with 2 additional practice locations. He has been practicing for over 29 years and is board certified by the American Board of Internal Medicine and American Board of Pediatrics. Dr. Freiheiter graduated from University of Medicineicine And Dentistry of New Jersey / Robert Wood Johnson Medicine and completed his residency at Morristown Mem Hosp, Internal Medicine. Dr. Freiheiter is fluent in English, and is currently seeing new patients. Dr. Freiheiter’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Freiheiter’s office at (973) 895-8884.

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

    • Residency: Morristown Mem Hosp, Internal Medicine | RowanSOM/OPTI/AHS Morristown Medical Center Program

    • Medical School: Umdnj-Robt W Johnson Med Sch- New Brunswick Nj | University of Medicine And Dentistry of New Jersey / Robert Wood Johns | University of Medicineicine And Dentistry of New Jersey / Robert Wood Johnson Medicine | Rutgers

    Is Dr. Freiheiter board certified in Internist?

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

    What languages does Dr. Freiheiter speak?

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

    • English

    What conditions does Dr. Freiheiter treat?

    As a Internist, Dr. Freiheiter 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. Freiheiter. 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:

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

    ICD-10 Codes:

    • R0981: Nasal congestion

    Also known as:

    • Cough
    • Coughing
    • Persistent cough
    • Chronic cough

    ICD-10 Codes:

    • R059: Cough, unspecified

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Fatigue
    • Tiredness
    • Lack of energy
    • Exhaustion

    ICD-10 Codes:

    • R5383: Other fatigue

    Also known as:

    • Healthy Weight Child (BMI 5th-85th percentile)
    • Body Weight
    • Normal BMI for child
    • Child healthy weight
    • Pediatric normal weight

    ICD-10 Codes:

    • Z6852: Body mass index [BMI] pediatric, 5th percentile to less than 85th percentile for age

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    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:

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

    ICD-10 Codes:

    • E559: Vitamin D deficiency, unspecified

    Also known as:

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

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Routine Child Health Examination (Normal Findings)
    • Health Checkup
    • Normal Well-Child Checkup
    • Child Physical Exam (No Issues)
    • Routine Pediatric Exam (Clear)

    ICD-10 Codes:

    • Z00129: Encounter for routine child health examination without abnormal findings

    Also known as:

    • Depression Screening
    • Depression
    • Health Screening
    • Depression Test
    • Mental Health Check for Depression
    • Mood Disorder Screening

    ICD-10 Codes:

    • Z1331: Encounter for screening for depression

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    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:

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

    ICD-10 Codes:

    • F419: Anxiety disorder, unspecified

    Also known as:

    • Sore Throat
    • Acute pharyngitis
    • Throat inflammation
    • Acute throat infection

    ICD-10 Codes:

    • J029: Acute pharyngitis, unspecified

    Also known as:

    • Unclear Mammogram
    • Mammography
    • Mammograms
    • Inconclusive breast screening
    • Mammogram needs further testing
    • Uncertain mammogram result

    ICD-10 Codes:

    • R922: Inconclusive mammogram

    Also known as:

    • Nutrition Counseling
    • Nutrition
    • Dietary advice
    • Nutritional guidance
    • Healthy eating counseling

    ICD-10 Codes:

    • Z713: Dietary counseling and surveillance

    Also known as:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Which procedures does Dr. Freiheiter perform as a Internist?

    As a Internist, procedures performed by an Dr. John Freiheiter may include:

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

    Does Dr. Freiheiter accept my insurance?

    Dr. Freiheiter accepts most major insurance plans. Important: Please call our office at (973) 895-8884 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Freiheiter accept in Randolph, NJ?

    Dr. Freiheiter in Randolph, NJ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Commercial

    • All Other Third Party

    • CareSource

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Horizon BlueCross BlueShield

    • MagnaCare Rx

    • Medicare

    • Trustmark Insurance Company

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Freiheiter's office located?

    Dr. John Freiheiter's Primary Practice

    16 Old Brookside Rd Ste 2

    Randolph, NJ 07869

    (973) 895-8884

    Get Directions

    Dr. John Freiheiter's Practice 2

    706 Bergen Ave Ste 2

    Jersey City, NJ 07306

    Get Directions

    Dr. John Freiheiter's Practice 3

    781 State Route 15 S Ste B

    Lake Hopatcong, NJ 07849

    Get Directions

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

    Dr. Freiheiter's National Provider Identifier (NPI) number is 1073688438.

    What common questions do patients ask about Dr. Freiheiter?

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

    What is Dr. John Freiheiter's specialty?

    Dr. Freiheiter is a Internist near Randolph, NJ.

    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. Freiheiter to book an appointment today.

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

    Yes, Dr. Freiheiter is affiliated with Morristown Medical Center, Overlook Medical Center 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 Freiheiter accepting new patients in Randolph, NJ?

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

    Does Dr. John Freiheiter offer online booking?

    Please contact Dr. Freiheiter's office at (973) 895-8884 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Freiheiter?

    Please contact Dr. Freiheiter's office at (973) 895-8884 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Freiheiter have?

    Dr. John Freiheiter is certified by the American Board of Internal Medicine and American Board of Pediatrics.

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