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Dr. John Fassler, MD

Rock Hill, SC

28 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Fassler, Nephrologist in Rock Hill, SC?

    Dr. John Fassler, MD is a Nephrologist, who primarily practices in Rock Hill, SC with 1 additional practice location. He has been practicing for over 28 years and is board certified by the American Board of Internal Medicine. Dr. Fassler graduated from Ohio State University / College of Medicine and completed his residency at Oh State Univ Hosp, Nephrology; Oh State Univ Hosp, Internal Medicine. Dr. Fassler is fluent in English, and is currently seeing new patients. Dr. Fassler’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fassler’s office at (803) 329-2636.

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

    • Residency: Oh State Univ Hosp, Nephrology; Oh State Univ Hosp, Internal Medicine | Ohio State University Hospitals | Ohio State University Hospital Program

    • Medical School: Oh State Univ Coll of Med, Columbus Oh | Ohio State University College of Medicine And Public Health,Columbus, Ohio, United States | Ohio State University / College of Medicine

    Is Dr. Fassler board certified in Nephrologist?

    Yes, Dr. John Fassler, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Fassler speak?

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

    • English

    What conditions does Dr. Fassler treat?

    As a Nephrologist, Dr. Fassler 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. Fassler. 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:

    • End-Stage Kidney Disease
    • Chronic Kidney Disease, Stage 4 (Severe)
    • Chronic Kidney Disease Stage 3b
    • Chronic Kidney Disease, Stage 3
    • Chronic Kidney Disease, Stage 3a
    • Chronic Kidney Disease Stage 5
    • Chronic Kidney Disease, Stage 2 (Mild)
    • Chronic Kidney Disease
    • Chronic Kidney Disease, Stage 1
    • Kidney Failure
    • Chronic Kidney Disease (CKD)
    • Helping Your Child Adapt to Life with Chronic Kidney Disease
    • Mineral & Bone Disorder in Chronic Kidney Disease
    • ESRD
    • End-Stage Renal Failure
    • CKD Stage 4
    • Severe Chronic Kidney Disease
    • CKD Stage 3b
    • Moderate Chronic Kidney Disease
    • CKD Stage 3
    • CKD Stage 3a
    • CKD Stage 5
    • End-Stage Renal Disease
    • CKD Stage 2
    • Mild Chronic Kidney Disease
    • CKD
    • Long-Term Kidney Disease
    • CKD Stage 1
    • Early Chronic Kidney Disease

    ICD-10 Codes:

    • N186: End stage renal disease
    • N184: Chronic kidney disease, stage 4 (severe)
    • N1832: Chronic kidney disease, stage 3b
    • N1830: Chronic kidney disease, stage 3 unspecified
    • N1831: Chronic kidney disease, stage 3a
    • N185: Chronic kidney disease, stage 5
    • N182: Chronic kidney disease, stage 2 (mild)
    • N189: Chronic kidney disease, unspecified
    • N181: Chronic kidney disease, stage 1

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

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

    ICD-10 Codes:

    • E871: Hypo-osmolality and hyponatremia
    • E875: Hyperkalemia
    • E8770: Fluid overload, unspecified
    • E876: Hypokalemia

    Also known as:

    • Protein in Urine
    • Persistent Protein in Urine
    • Urine and Urination
    • Proteinuria
    • Albuminuria
    • Foamy urine
    • Persistent proteinuria
    • Ongoing protein in urine

    ICD-10 Codes:

    • R809: Proteinuria, unspecified
    • R801: Persistent proteinuria, unspecified

    Also known as:

    • Other Specific Abnormal Blood Chemistry Results
    • Blood
    • Specified Blood Chemistry Imbalance
    • Unusual Blood Chemistry Findings
    • Specific Blood Panel Abnormalities

    ICD-10 Codes:

    • R7989: Other specified abnormal findings of blood chemistry

    Also known as:

    • Having a Kidney Transplant
    • Kidney Transplantation
    • Kidney Transplant
    • Renal transplant
    • Kidney replacement surgery
    • Post-kidney transplant

    ICD-10 Codes:

    • Z940: Kidney transplant status

    Also known as:

    • Abnormal Kidney Function Test
    • Kidney Disease
    • Irregular Kidney Function Study
    • Unusual Kidney Exam
    • Kidney Disease Diagnosis

    ICD-10 Codes:

    • R944: Abnormal results of kidney function studies

    Which procedures does Dr. Fassler perform as a Nephrologist?

    As a Nephrologist, procedures performed by a Dr. John Fassler may include:

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

    Does Dr. Fassler accept my insurance?

    Dr. Fassler accepts most major insurance plans. Important: Please call our office at (803) 329-2636 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Fassler accept in Rock Hill, SC?

    Dr. Fassler in Rock Hill, SC accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • BlueCross BlueShield of South Carolina

    • Centene

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Humana

    • Medicare

    • Molina

    • State of South Carolina

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Fassler's office located?

    Dr. John Fassler's Primary Practice

    1436 Riverchase Blvd

    Rock Hill, SC 29732

    (803) 329-2636

    Get Directions

    Dr. John Fassler's Practice 2

    10628 Park Rd # P

    Charlotte, NC 28210

    Get Directions

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

    Dr. Fassler's National Provider Identifier (NPI) number is 1891798757.

    What common questions do patients ask about Dr. Fassler?

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

    What is Dr. John Fassler's specialty?

    Dr. Fassler is a Nephrologist near Rock Hill, SC. 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. Contact Dr. Fassler to book an appointment today.

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

    Yes, Dr. Fassler is affiliated with Piedmont Medical Center, Musc Health Lancaster 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 Nephrologist?

    Explore Nephrologist 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 Fassler accepting new patients in Rock Hill, SC?

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

    Does Dr. John Fassler offer online booking?

    Please contact Dr. Fassler's office at (803) 329-2636 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Fassler?

    Please contact Dr. Fassler's office at (803) 329-2636 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Fassler have?

    Dr. John Fassler is certified by the American Board of Internal Medicine.

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