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Dr. John Loh

Baltimore, MD

35 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Loh, Internist in Baltimore, MD?

    Dr. John Loh is an Internist, who primarily practices in Baltimore, MD with 1 additional practice location. He has been practicing for over 35 years and is board certified. Dr. Loh graduated from Michigan State University College of Osteopathic Medicine. Dr. Loh is fluent in English, and is currently seeing new patients. Dr. Loh’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Loh’s office at (410) 391-6996.

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

    • Medical School: Michigan State University College of Osteopathic Medicine

    What languages does Dr. Loh speak?

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

    • English

    What conditions does Dr. Loh treat?

    As a Internist, Dr. Loh 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. Loh. 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:

    • 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:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hypercholesterolemia
    • High blood cholesterol
    • Elevated cholesterol
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E7800: Pure hypercholesterolemia, unspecified
    • E785: Hyperlipidemia, unspecified

    Also known as:

    • High Blood Pressure Heart Disease
    • High Blood Pressure Heart Disease with Heart Failure
    • Heart Disease
    • High Blood Pressure
    • Heart Failure
    • Hypertensive Cardiomyopathy
    • Heart Problems from High Blood Pressure
    • Hypertensive Heart Failure
    • High Blood Pressure Causing Heart Failure

    ICD-10 Codes:

    • I119: Hypertensive heart disease without heart failure
    • I110: Hypertensive heart disease with heart failure

    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:

    • Cough
    • Coughing
    • Persistent cough
    • Chronic cough

    ICD-10 Codes:

    • R059: Cough, unspecified

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • GERD with Esophagitis
    • Eosinophilic Esophagitis
    • GERD
    • Reflux Esophagitis
    • Acid Reflux Esophagus Inflammation
    • Heartburn with Esophagus Damage

    ICD-10 Codes:

    • K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding

    Also known as:

    • Exposure to COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • COVID-19 contact
    • Suspected coronavirus exposure
    • SARS-CoV-2 exposure

    ICD-10 Codes:

    • Z20822: Contact with and (suspected) exposure to COVID-19

    Also known as:

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

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

    • Long-Term Blood Thinner Use
    • Blood Thinners
    • Chronic anticoagulant therapy
    • Ongoing blood thinner treatment
    • Anticoagulant medication use

    ICD-10 Codes:

    • Z7901: Long term (current) use of anticoagulants

    Also known as:

    • Acute Bronchitis
    • Chest cold
    • Short-term bronchitis
    • Acute chest infection

    ICD-10 Codes:

    • J209: Acute bronchitis, unspecified

    Also known as:

    • Trouble with Attention and Focus
    • Mental Disorder
    • Concentration issues
    • Difficulty focusing
    • Attention deficit

    ICD-10 Codes:

    • R41840: Attention and concentration deficit

    Also known as:

    • Sinusitis
    • Sinus Infection
    • Rhinosinusitis
    • Acute Sinus Infection

    ICD-10 Codes:

    • J0190: Acute sinusitis, unspecified

    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:

    • Colon Cancer Screening
    • Health Screening
    • Colorectal Cancer Screening (PDQ®)
    • Screening Tests to Detect Colorectal Cancer and Polyps
    • Tests to Detect Colorectal Cancer and Polyps
    • Colorectal Cancer Screening
    • Colonoscopy Screening
    • Bowel Cancer Screening

    ICD-10 Codes:

    • Z1211: Encounter for screening for malignant neoplasm of colon

    Also known as:

    • Severe Obesity
    • Body Weight
    • Obesity
    • Morbid Obesity
    • Extreme Obesity
    • High Body Mass Index

    ICD-10 Codes:

    • Z684: Body mass index [BMI] 40 or greater, adult

    Also known as:

    • Other Hypothyroidism
    • Hypothyroidism
    • Congenital hypothyroidism
    • Underactive Thyroid
    • Low Thyroid Function
    • Thyroid Gland Underactivity

    ICD-10 Codes:

    • E038: Other specified hypothyroidism

    Which procedures does Dr. Loh perform as a Internist?

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

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

    Does Dr. Loh accept my insurance?

    Dr. Loh accepts most major insurance plans. Important: Please call our office at (410) 391-6996 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Loh accept in Baltimore, MD?

    Dr. Loh in Baltimore, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Bankers Life

    • Carefirst BlueCross BlueShield

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Medicaid

    • Medicare

    • MedStar Health

    • United American Healthcare Corp (UAHC)

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Loh's office located?

    Dr. John Loh's Primary Practice

    1124 Mace Ave

    Baltimore, MD 21221

    (410) 391-6996

    Get Directions

    Dr. John Loh's Practice 2

    2800 Sollers Point Rd

    Dundalk, MD 21222

    Get Directions

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

    Dr. Loh's National Provider Identifier (NPI) number is 1306852827.

    What common questions do patients ask about Dr. Loh?

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

    What is Dr. John Loh's specialty?

    Dr. Loh is a Internist near Baltimore, MD.

    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. Loh to book an appointment today.

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

    Yes, Dr. Loh is affiliated with Medstar Franklin Square Medical Center which is a Castle Connolly Top Hospital. 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 Loh accepting new patients in Baltimore, MD?

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

    Does Dr. John Loh offer online booking?

    Please contact Dr. Loh's office at (410) 391-6996 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Loh?

    Please contact Dr. Loh's office at (410) 391-6996 for information regarding telehealth appointment availability or for scheduling assistance.

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