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Dr. Kathleen Nilles, MD

Dr. Kathleen Nilles, MD

Washington, DC

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Nilles, Transplant Hepatologist in Washington, DC?

    Dr. Kathleen Nilles, MD is a Transplant Hepatologist, who primarily practices in Washington, DC with 2 additional practice locations. Dr. Nilles graduated from University of Pittsburgh School of Medicine. Dr. Nilles is fluent in English, and is currently seeing new patients. Dr. Nilles’s practice accepts Cigna, Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nilles’s office at (202) 444-3700.

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

    • Medical School: University of Pittsburgh / Main Campus | University of Pittsburgh School of Medicine

    What languages does Dr. Nilles speak?

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

    • English

    What conditions does Dr. Nilles treat?

    As a Transplant Hepatologist, Dr. Nilles 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. Nilles. 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:

    • Cirrhosis
    • Alcoholic Cirrhosis
    • Alcoholic Cirrhosis with Fluid Buildup
    • Alcohol Use Disorder (AUD)
    • Liver scarring
    • End-stage liver disease
    • Chronic liver failure
    • Alcohol-induced cirrhosis
    • End-stage alcoholic liver disease
    • Severe alcoholic liver scarring
    • Alcoholic cirrhosis with ascites
    • Alcohol-induced cirrhosis with fluid
    • Liver scarring with abdominal fluid

    ICD-10 Codes:

    • K7460: Unspecified cirrhosis of liver
    • K7030: Alcoholic cirrhosis of liver without ascites
    • K7031: Alcoholic cirrhosis of liver with ascites

    Also known as:

    • Fatty Liver Disease
    • Fluid in Abdomen
    • Liver Disease
    • Portal hypertension
    • Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
    • Nonalcoholic Fatty Liver Disease & NASH in Children
    • High Blood Pressure
    • NAFLD
    • NASH
    • Hepatic steatosis
    • Ascites
    • Abdominal fluid buildup
    • Peritoneal fluid
    • Hepatic illness
    • Liver condition
    • High blood pressure in the portal vein
    • Liver portal pressure
    • Elevated portal venous pressure

    ICD-10 Codes:

    • K760: Fatty (change of) liver, not elsewhere classified
    • R188: Other ascites
    • K769: Liver disease, unspecified
    • K766: Portal hypertension

    Also known as:

    • Immune Deficiency
    • Immune System and Disorder
    • Weak Immune System
    • Immune System Disorder

    ICD-10 Codes:

    • D849: Immunodeficiency, unspecified

    Also known as:

    • Long-term Immunomodulator or Immunosuppressant Use
    • Chronic immune system medication
    • Long-term immune suppressants
    • Immunomodulatory therapy

    ICD-10 Codes:

    • Z7960: Long term (current) use of unspecified immunomodulators and immunosuppressants

    Also known as:

    • Other Abnormal Enzyme Levels
    • Unspecified high enzymes
    • Various enzyme abnormalities
    • Abnormal serum enzyme levels

    ICD-10 Codes:

    • R748: Abnormal levels of other serum enzymes

    Also known as:

    • Liver Transplant
    • Liver Transplantation
    • Hepatic Transplant
    • Liver Graft
    • New Liver

    ICD-10 Codes:

    • Z944: Liver transplant status

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    Also known as:

    • Other Long-Term Drug Therapy
    • Chronic medication use
    • Ongoing drug treatment
    • Extended drug therapy

    ICD-10 Codes:

    • Z79899: Other long term (current) drug therapy

    Also known as:

    • Other Pre-Procedure Examination
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments

    ICD-10 Codes:

    • Z01818: Encounter for other preprocedural examination

    Also known as:

    • Autoimmune hepatitis
    • Autoimmune Disease
    • Hepatitis
    • Autoimmune Hepatitis
    • AIH
    • Autoimmune liver disease
    • Chronic autoimmune hepatitis

    ICD-10 Codes:

    • K754: Autoimmune hepatitis

    Also known as:

    • Liver Cancer
    • Childhood Liver Cancer
    • Hepatic Cancer
    • Hepatocellular Carcinoma

    ICD-10 Codes:

    • C220: Liver cell carcinoma

    Also known as:

    • Nonalcoholic steatohepatitis (NASH)
    • Fatty Liver Disease
    • Non-alcoholic fatty liver disease
    • Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
    • Nonalcoholic Fatty Liver Disease & NASH in Children
    • NASH
    • Non-alcoholic fatty liver disease with inflammation
    • Fatty liver inflammation

    ICD-10 Codes:

    • K7581: Nonalcoholic steatohepatitis (NASH)

    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:

    • Esophageal Varices
    • Esophagus Disorder
    • Varices of the Esophagus
    • Enlarged Esophageal Veins
    • Dilated Esophageal Veins

    ICD-10 Codes:

    • I8500: Esophageal varices without bleeding

    Also known as:

    • Liver Failure
    • Liver Disease
    • Hepatic insufficiency
    • Liver dysfunction
    • End-stage liver disease

    ICD-10 Codes:

    • K7290: Hepatic failure, unspecified without coma

    What procedures does Dr. Nilles perform?

    As a Transplant Hepatologist, Dr. Nilles 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. Nilles. 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:

    • Diagnostic Upper Endoscopy with Biopsy
    • Upper Endoscopy with Varices Banding
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample
    • EGD with Band Ligation
    • Esophageal Varices Banding
    • Gastric Varices Treatment

    CPT Codes:

    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 43244: Esophagogastroduodenoscopy, flexible, transoral; with band ligation of esophageal/gastric varices

    Also known as:

    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening

    CPT Codes:

    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • Abdominal Fluid Drainage with Imaging Guidance
    • Guided Abdominal Paracentesis
    • Ascites Drainage with Ultrasound
    • Fluid Removal from Belly

    CPT Codes:

    • 49083: Abdominal paracentesis (diagnostic or therapeutic); with imaging guidance

    Also known as:

    • Stopping Bleeding in Esophagus, Stomach, or Duodenum
    • EGD with Bleeding Control
    • Upper GI Endoscopy for Bleeding
    • Gastric Bleeding Treatment

    CPT Codes:

    • 43255: Esophagogastroduodenoscopy, flexible, transoral; with control of bleeding, any method

    Also known as:

    • Liver Biopsy (Needle)
    • Catheter Biopsy
    • Biopsy
    • Percutaneous liver biopsy
    • Needle liver sample
    • Liver tissue biopsy
    • Liver needle aspiration
    • Transcatheter tissue sample
    • Minimally invasive biopsy
    • Biopsy using catheter

    CPT Codes:

    • 47000: Biopsy of liver, needle; percutaneous
    • 37200: Transcatheter biopsy

    Also known as:

    • Selective Vein Catheter Placement
    • Venous Catheterization
    • Jugular Vein Catheter
    • Renal Vein Catheter

    CPT Codes:

    • 36011: Selective catheter placement, venous system; first order branch (eg, renal vein, jugular vein)

    Also known as:

    • Liver Elastography
    • Elastography
    • FibroScan
    • Liver stiffness test
    • Shear wave elastography

    CPT Codes:

    • 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report

    Does Dr. Nilles accept my insurance?

    Dr. Nilles accepts most major insurance plans. Important: Please call our office at (202) 444-3700 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Nilles accept in Washington, DC?

    Dr. Nilles in Washington, DC accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • BCBS Unspecified

    • Cigna

    • CVS Health (formerly Aetna)

    • Federal Employee Program

    • Inland Empire

    • Medicare

    • MedStar Health

    • RiverSpring Health

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Nilles' office located?

    Dr. Kathleen Nilles' Primary Practice

    3800 Reservoir Rd NW

    Washington, DC 20007

    (202) 444-3700

    Get Directions

    Dr. Kathleen Nilles' Practice 2

    106 Irving St NW Ste 215

    Washington, DC 20010

    Get Directions

    Dr. Kathleen Nilles' Practice 3

    9000 Franklin Square Dr

    Baltimore, MD 21237

    Get Directions

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

    Dr. Nilles's National Provider Identifier (NPI) number is 1396903928.

    What common questions do patients ask about Dr. Nilles?

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

    What is Dr. Kathleen Nilles's specialty?

    Dr. Nilles is a Transplant Hepatologist near Washington, DC. An internist with specialized knowledge and skills in gastroenterology, focusing on the comprehensive care of patients before and after liver transplantation, across all phases of the transplant process. The selection of suitable transplant candidates involves a multidisciplinary team experienced in assessing the severity and prognosis of liver disease to ensure optimal outcomes. Contact Dr. Nilles to book an appointment today.

    Is this Dr. Kathleen Nilles affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Nilles is affiliated with MedStar St. Mary's Hospital, MedStar Washington Hospital Center, MedStar Montgomery Medical Center, MedStar Harbor Hospital, UVA Health Haymarket Medical Center, Frederick Health Hospital 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 Transplant Hepatologist?

    Explore Transplant Hepatologist 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 Kathleen Nilles accepting new patients in Washington, DC?

    Yes, Dr. Kathleen Nilles is accepting new patients at this time.

    Does Dr. Kathleen Nilles offer online booking?

    Please contact Dr. Nilles's office at (202) 444-3700 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Kathleen Nilles?

    Please contact Dr. Nilles's office at (202) 444-3700 for information regarding telehealth appointment availability or for scheduling assistance.

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