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Dr. Carlos Zem, MD

San Antonio, TX

16 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Zem, Nephrologist in San Antonio, TX?

    Dr. Carlos Zem, MD is a Nephrologist, who primarily practices in San Antonio, TX with 1 additional practice location. He has been practicing for over 16 years and is board certified. Dr. Zem graduated from Universidad Nacional Autonoma de Honduras Facultad de Ciencias Medicas. Dr. Zem is fluent in English and Spanish, and is currently seeing new patients. Dr. Zem’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Zem’s office at (210) 614-1515.

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

    • Medical School: Universidad Nacional Autonoma de Honduras Facultad de Ciencias Medicas | Universidad AutÛnoma de Guadalajara Facultad de Medicina

    Is Dr. Zem board certified as a Nephrologist?

    Yes, Dr. Carlos Zem, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Zem speak?

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

    • English

    • Spanish

    What conditions does a Nephrologist like Dr. Zem typically treat?

    As a Nephrologist, Dr. Zem 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. Zem. 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. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • End-Stage Kidney Disease
    • Chronic Kidney Disease, Stage 3a
    • Chronic Kidney Disease Stage 3b
    • Chronic Kidney Disease, Stage 3
    • Chronic Kidney Disease from High Blood Pressure
    • Kidney Failure
    • Chronic Kidney Disease (CKD)
    • Helping Your Child Adapt to Life with Chronic Kidney Disease
    • Chronic Kidney Disease
    • High Blood Pressure
    • ESRD
    • End-Stage Renal Failure
    • CKD Stage 3a
    • Moderate Chronic Kidney Disease
    • CKD Stage 3b
    • CKD Stage 3
    • Hypertensive Chronic Kidney Disease
    • High Blood Pressure Kidney Disease
    • Hypertension-Related Kidney Disease

    ICD-10 Codes:

    • N186: End stage renal disease
    • N1831: Chronic kidney disease, stage 3a
    • N1832: Chronic kidney disease, stage 3b
    • N1830: Chronic kidney disease, stage 3 unspecified
    • I129: Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease

    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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    What procedures does a Nephrologist like Dr. Zem typically perform?

    As a Nephrologist, procedures performed by Dr. Carlos Zem may include:

    Please contact Dr. Zem's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Zem accept my insurance?

    Dr. Zem accepts most major insurance plans. Important: Please call our office at (210) 614-1515 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Zem accept in San Antonio, TX?

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

    Top Insurances

    • All Other Third Party

    • Bexar County Hospital District

    • Centene Corporation

    • CVS Health (formerly Aetna)

    • Health Care Service Corporation

    • Humana

    • Medicare

    • Oscar Health

    • Other Health Care Provider

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Zem's office located?

    Dr. Carlos Zem's Primary Practice

    1123 N Main Ave Ste 120

    San Antonio, TX 78212

    (210) 614-1515

    Get Directions

    Dr. Carlos Zem's Practice 2

    215 E Quincy St Ste 610

    San Antonio, TX 78215

    Get Directions

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

    Dr. Zem's National Provider Identifier (NPI) number is 1437237914.

    What common questions do patients ask about Dr. Zem?

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

    What is Dr. Carlos Zem's specialty?

    Dr. Zem is a Nephrologist near San Antonio, TX.

    What does a Nephrologist do?

    An internist who manages disorders related to the kidneys, including high blood pressure, fluid and mineral balance, and dialysis for waste removal when kidney function is impaired. This specialist also collaborates with surgeons regarding kidney transplantation.

    Is this Dr. Carlos Zem affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Zem is affiliated with Baptist Medical Center - San Antonio 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

    When to see a Nephrologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Nephrologist. Explore 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 Carlos Zem accepting new patients in San Antonio, TX?

    Yes, Dr. Carlos Zem is accepting new patients at this time.

    Does Dr. Carlos Zem offer online booking?

    Please contact Dr. Zem's office at (210) 614-1515 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Carlos Zem?

    Please contact Dr. Zem's office at (210) 614-1515 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Carlos Zem have?

    Dr. Carlos Zem is certified by the American Board of Internal Medicine.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>