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Dr. Jeffrey Trimark, MD

Lake Forest, IL

27 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Trimark, Internist in Lake Forest, IL?

    Dr. Jeffrey Trimark, MD is an Internist, who primarily practices in Lake Forest, IL with 2 additional practice locations. He has been practicing for over 27 years and is board certified by the American Board of Internal Medicine. Dr. Trimark graduated from University of Chicago Division of the Biological Sciences The Pritzker School of Medicine and completed his residency at Naval Med Ctr-San Diego, Internal Medicine. Dr. Trimark is fluent in English, and is currently seeing new patients. Dr. Trimark’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Trimark’s office.

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

    • Residency: Naval Med Ctr-San Diego, Internal Medicine | Naval Medical Center (Portsmouth) Program

    • Medical School: University of Chicago, Pritzker Sch of Med, Chicago Il | University of Chicago Division of the Biological Sciences The Pritzker School of Medicine

    Is Dr. Trimark board certified in Internist?

    Yes, Dr. Jeffrey Trimark, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Trimark speak?

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

    • English

    What conditions does Dr. Trimark treat?

    As a Internist, Dr. Trimark 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. Trimark. 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:

    • 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:

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

    ICD-10 Codes:

    • E118: Type 2 diabetes mellitus with unspecified complications
    • E119: Type 2 diabetes mellitus without complications
    • E1165: Type 2 diabetes mellitus with hyperglycemia

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Adult Health Checkup with Abnormal Findings
    • Health Checkup
    • Adult Physical Exam with Issues
    • Routine Checkup with Concerns
    • General Medical Exam with Abnormal Results

    ICD-10 Codes:

    • Z0001: Encounter for general adult medical examination with abnormal findings

    Also known as:

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

    ICD-10 Codes:

    • E7800: Pure hypercholesterolemia, unspecified

    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

    Also known as:

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

    ICD-10 Codes:

    • F5101: Primary insomnia

    Also known as:

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

    ICD-10 Codes:

    • F419: Anxiety disorder, unspecified

    Also known as:

    • Chronic Diastolic Heart Failure
    • Heart Failure
    • Long-term Diastolic Heart Failure
    • Chronic HFpEF
    • Ongoing Filling Heart Failure

    ICD-10 Codes:

    • I5032: Chronic diastolic (congestive) heart failure

    Also known as:

    • Moderate Major Depressive Disorder (Single Episode)
    • Depression
    • Moderate clinical depression
    • Moderate unipolar depression
    • Moderate depressive episode

    ICD-10 Codes:

    • F321: Major depressive disorder, single episode, moderate

    Also known as:

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

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • General Counseling Services
    • Personal Counseling
    • Life Coaching
    • Support Services

    ICD-10 Codes:

    • Z7189: Other specified counseling

    Also known as:

    • Enlarged Prostate with Urinary Symptoms
    • Enlarged Prostate (BPH)
    • Enlarged Prostate (Benign Prostatic Hyperplasia)
    • BPH with LUTS
    • Prostate enlargement with urinary issues
    • Benign prostatic hyperplasia with urinary symptoms

    ICD-10 Codes:

    • N401: Benign prostatic hyperplasia with lower urinary tract symptoms

    Also known as:

    • Open Wound on Big Toe
    • Toe Injuries and Disorder
    • Wounds and Injuries
    • Cut on Big Toe
    • Toe Gash
    • Injured Big Toe

    ICD-10 Codes:

    • S91101D: Unspecified open wound of right great toe without damage to nail, subsequent encounter

    Also known as:

    • High Blood Sugar
    • Hyperglycemia
    • Elevated Glucose
    • Unspecified High Blood Sugar

    ICD-10 Codes:

    • R739: Hyperglycemia, unspecified

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Which procedures does Dr. Trimark perform as a Internist?

    As a Internist, procedures performed by an Dr. Jeffrey Trimark may include:

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

    Does Dr. Trimark accept my insurance?

    Dr. Trimark accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Trimark accept in Lake Forest, IL?

    Dr. Trimark in Lake Forest, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Cook County Health & Hospitals System

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Health Care Service Corporation (HCSC)

    • Humana

    • Medicare

    • Northshore University Healthsystem

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Trimark's office located?

    Dr. Jeffrey Trimark's Primary Practice

    915 S Waukegan Rd

    Lake Forest, IL 60045

    Get Directions

    Dr. Jeffrey Trimark's Practice 2

    2050 Pfingsten Rd Ste 2000

    Glenview, IL 60026

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    Dr. Jeffrey Trimark's Practice 3

    2650 Ridge Ave

    Evanston, IL 60201

    Get Directions

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

    Dr. Trimark's National Provider Identifier (NPI) number is 1295781680.

    What common questions do patients ask about Dr. Trimark?

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

    What is Dr. Jeffrey Trimark's specialty?

    Dr. Trimark is a Internist near Lake Forest, IL.

    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. Trimark to book an appointment today.

    Is this Dr. Jeffrey Trimark affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Trimark is affiliated with Froedtert Pleasant Prairie Hospital, Endeavor Health Evanston 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 Jeffrey Trimark accepting new patients in Lake Forest, IL?

    Yes, Dr. Jeffrey Trimark is accepting new patients at this time.

    Does Dr. Jeffrey Trimark offer online booking?

    Please contact Dr. Trimark's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Jeffrey Trimark?

    Please contact Dr. Trimark's office for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Jeffrey Trimark have?

    Dr. Jeffrey Trimark is certified by the American Board of Internal Medicine.

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