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Dr. Robert Zajac, MD

San Antonio, TX

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Zajac, Infectious Disease Specialist in San Antonio, TX?

    Dr. Robert Zajac, MD is an Infectious Disease Specialist, who primarily practices in San Antonio, TX. He is board certified. Dr. Zajac graduated from Louisiana State University School of Medicine, New Orleans and completed his residency at Wilford Hall Med Ctr Aetc, Infectious Diseases; Wilford Hall Med Ctr Aetc, Internal Medicine. Dr. Zajac is fluent in English and Spanish, and is currently seeing new patients. Dr. Zajac’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Zajac’s office at (210) 481-2800.

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

    • Residency: Wilford Hall Med Ctr Aetc, Infectious Diseases; Wilford Hall Med Ctr Aetc, Internal Medicine | Wilford Hall Medical Center (AETC) Program

    • Medical School: La State Univ Sch of Med In New Orleans, New Orleans La | Louisiana State University School of Medicine, New Orleans

    Is Dr. Zajac board certified as an Infectious Disease Specialist?

    Yes, Dr. Robert Zajac, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Zajac speak?

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

    • English

    • Spanish

    What conditions does an Infectious Disease Specialist like Dr. Zajac typically treat?

    As an Infectious Disease Specialist, Dr. Zajac 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. Zajac. 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:

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

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Also known as:

    • Common Variable Immunodeficiency (CVID)
    • Immune System and Disorder
    • Common variable immune deficiency
    • CVID
    • Acquired Hypogammaglobulinemia

    ICD-10 Codes:

    • D839: Common variable immunodeficiency, unspecified

    Also known as:

    • Multiple Sclerosis
    • MS
    • Demyelinating Disease

    ICD-10 Codes:

    • G35: Multiple sclerosis

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Pyogenic Arthritis
    • Infectious Arthritis
    • Pus-forming Arthritis
    • Septic Arthritis
    • Bacterial Arthritis

    ICD-10 Codes:

    • M009: Pyogenic arthritis, unspecified

    Also known as:

    • Lupus with Organ Involvement
    • Lupus
    • Systemic Lupus Erythematosus
    • SLE Affecting Organs
    • Lupus Complications

    ICD-10 Codes:

    • M3219: Other organ or system involvement in systemic lupus erythematosus

    Also known as:

    • Vascular Access Device Management
    • Vascular Access Care
    • Port Management
    • Catheter Care

    ICD-10 Codes:

    • Z452: Encounter for adjustment and management of vascular access device

    What procedures does an Infectious Disease Specialist like Dr. Zajac typically perform?

    As an Infectious Disease Specialist, Dr. Zajac performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Zajac. 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:

    • PICC Line Insertion (Adult/Older Child)
    • Peripherally Inserted Central Catheter
    • PICC Line Placement
    • Central Venous Catheter Insertion

    CPT Codes:

    • 36573: Insertion of peripherally inserted central venous catheter (PICC), without subcutaneous port or pump, including all imaging guidance, image documentation, and all associated radiological supervision and interpretation required to perform the insertion; age 5 years or older

    Does Dr. Zajac accept my insurance?

    Dr. Zajac accepts most major insurance plans. Important: Please call our office at (210) 481-2800 before your appointment to verify that your specific plan and network are accepted.

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

    Dr. Zajac 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

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Federal government of the United States

    • Health Care Service Corporation

    • Humana

    • Medicare

    • Mutual of Omaha

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Zajac's office located?

    Dr. Robert Zajac's Primary Practice

    150 E Sonterra Blvd Ste 170

    San Antonio, TX 78258

    (210) 481-2800

    Get Directions

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

    Dr. Zajac's National Provider Identifier (NPI) number is 1013907963.

    What common questions do patients ask about Dr. Zajac?

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

    What is Dr. Robert Zajac's specialty?

    Dr. Zajac is a Infectious Disease Specialist near San Antonio, TX.

    What does an Infectious Disease Specialist do?

    An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

    Is this Dr. Robert Zajac affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Zajac 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 an Infectious Disease Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Infectious Disease Specialist. 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 Robert Zajac accepting new patients in San Antonio, TX?

    Yes, Dr. Robert Zajac is accepting new patients at this time.

    Does Dr. Robert Zajac offer online booking?

    Please contact Dr. Zajac's office at (210) 481-2800 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Robert Zajac?

    Please contact Dr. Zajac's office at (210) 481-2800 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Robert Zajac have?

    Dr. Robert Zajac is certified by the American Board of Internal Medicine.

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