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Dr. Oscar Mendez, MD

Edinburg, TX

32 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mendez, Internist in Edinburg, TX?

    Dr. Oscar Mendez, MD is an Internist, who primarily practices in Edinburg, TX. He has been practicing for over 32 years and is board certified. Dr. Mendez completed his residency at Lincoln Med Mntl Hlth Ctr, Internal Medicine. Dr. Mendez is fluent in English and Spanish, and is currently seeing new patients. Dr. Mendez’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mendez’s office at (956) 362-8677.

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

    • Residency: Lincoln Med Mntl Hlth Ctr, Internal Medicine

    • Medical School: University De San Carlos, Fac De Cien Med, Guatemala

    Is Dr. Mendez board certified as an Internist?

    Yes, Dr. Oscar Mendez, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Mendez speak?

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

    • English

    • Spanish

    What conditions does Dr. Mendez treat?

    As an Internist, Dr. Mendez 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. Mendez. 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:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Low Sodium Levels
    • High Potassium
    • Low Potassium
    • Fluid and Electrolyte Balance
    • Sodium
    • Potassium
    • Hyponatremia
    • Low Blood Sodium
    • Sodium Deficiency
    • Hyperkalemia
    • Excess Potassium
    • Hypokalemia
    • Potassium Deficiency

    ICD-10 Codes:

    • E871: Hypo-osmolality and hyponatremia
    • E875: Hyperkalemia
    • E876: Hypokalemia

    Also known as:

    • Acute Bladder Infection
    • Urinary Tract Infection
    • Kidney Infection
    • Bladder Disease
    • Kidney Disease
    • Kidney Infection (Pyelonephritis)
    • Acute Cystitis
    • Sudden Bladder Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection
    • Pyelonephritis
    • Acute Kidney Infection
    • Renal Infection

    ICD-10 Codes:

    • N3000: Acute cystitis without hematuria
    • N390: Urinary tract infection, site not specified
    • N10: Acute pyelonephritis

    Also known as:

    • Acute Kidney Failure
    • Kidney Failure
    • Acute Renal Failure
    • Sudden Kidney Failure

    ICD-10 Codes:

    • N179: Acute kidney failure, unspecified

    Also known as:

    • Worsening Chronic Diastolic Heart Failure
    • Worsening Chronic Systolic Heart Failure
    • Heart Failure
    • Acute Decompensated HFpEF
    • Sudden Worsening Diastolic Heart Failure
    • Acute on Chronic Filling Heart Failure
    • Acute Decompensated HFrEF
    • Sudden Worsening Heart Failure
    • Acute on Chronic Pumping Heart Failure

    ICD-10 Codes:

    • I5033: Acute on chronic diastolic (congestive) heart failure
    • I5023: Acute on chronic systolic (congestive) heart failure

    Also known as:

    • Acute Metabolic Acidosis
    • Metabolic Disorder
    • Sudden Acidosis
    • Metabolic Acid Buildup

    ICD-10 Codes:

    • E8721: Acute metabolic acidosis

    Also known as:

    • Acute Respiratory Failure with Low Oxygen
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia

    Also known as:

    • End-Stage Kidney Disease
    • Kidney Failure
    • Chronic Kidney Disease (CKD)
    • Helping Your Child Adapt to Life with Chronic Kidney Disease
    • ESRD
    • End-Stage Renal Failure

    ICD-10 Codes:

    • N186: End stage renal disease

    Also known as:

    • High Blood Pressure Heart and Kidney Disease with Heart Failure
    • Chronic Kidney Disease
    • Heart Failure
    • High Blood Pressure
    • Hypertensive Cardiorenal Syndrome
    • Heart and Kidney Failure from High Blood Pressure

    ICD-10 Codes:

    • I130: Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease

    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:

    • Heart Attack (NSTEMI)
    • Heart Attack
    • Myocardial Infarction
    • Non-STEMI
    • Less Severe Heart Attack

    ICD-10 Codes:

    • I214: Non-ST elevation (NSTEMI) myocardial infarction

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

    • Non-Infectious Gastroenteritis and Colitis
    • Digestive Disease
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation

    ICD-10 Codes:

    • K529: Noninfective gastroenteritis and colitis, unspecified

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Which procedures does Dr. Mendez perform as an Internist?

    As an Internist, procedures performed by Dr. Oscar Mendez may include:

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

    Does Dr. Mendez accept my insurance?

    Dr. Mendez accepts most major insurance plans. Important: Please call our office at (956) 362-8677 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mendez accept in Edinburg, TX?

    Dr. Mendez in Edinburg, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Centene

    • Community Health Improvement Solutions

    • Express Scripts

    • HealthComp

    • Humana

    • Medicaid

    • Medicare

    • State of Tennessee

    • State of Texas

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Mendez's office located?

    Dr. Oscar Mendez's Primary Practice

    5501 S McColl Rd

    Edinburg, TX 78539

    (956) 362-8677

    Get Directions

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

    Dr. Mendez's National Provider Identifier (NPI) number is 1871565622.

    What common questions do patients ask about Dr. Mendez?

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

    What is Dr. Oscar Mendez's specialty?

    Dr. Mendez is a Internist near Edinburg, TX.

    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. Mendez to book an appointment today.

    Is this Dr. Oscar Mendez affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mendez is affiliated with DHR Health, Mission Regional 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 Oscar Mendez accepting new patients in Edinburg, TX?

    Yes, Dr. Oscar Mendez is accepting new patients at this time.

    Does Dr. Oscar Mendez offer online booking?

    Please contact Dr. Mendez's office at (956) 362-8677 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Oscar Mendez?

    Please contact Dr. Mendez's office at (956) 362-8677 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Oscar Mendez have?

    Dr. Oscar Mendez is certified by the American Board of Internal Medicine.

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