Dr. Kathleen Nilles, MD
Washington, DC
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 Kaiser Permanente, Medicare 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 a Transplant Hepatologist like Dr. Nilles typically 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. Learn more about our claims-based healthcare methodology here.
Also known as:
- Cirrhosis
- Liver scarring
- End-stage liver disease
- Chronic liver failure
ICD-10 Codes:
- K7460: Unspecified cirrhosis of liver
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:
- Immune Deficiency
- Immune System and Disorder
- Weak Immune System
- Immune System Disorder
ICD-10 Codes:
- D849: Immunodeficiency, unspecified
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:
- Fatty Liver Disease
- Liver Disease
- Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
- Nonalcoholic Fatty Liver Disease & NASH in Children
- NAFLD
- NASH
- Hepatic steatosis
ICD-10 Codes:
- K760: Fatty (change of) liver, not elsewhere classified
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
What procedures does a Transplant Hepatologist like Dr. Nilles typically 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. Learn more about our claims-based healthcare methodology here.
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:
- 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:
- Liver Biopsy (Needle)
- Percutaneous liver biopsy
- Needle liver sample
- Liver tissue biopsy
- Liver needle aspiration
CPT Codes:
- 47000: Biopsy of liver, needle; percutaneous
Also known as:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- 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
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
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 Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Humana
Medicare
MedStar Health
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Nilles' office located?
Dr. Kathleen Nilles' Primary Practice
3800 Reservoir Rd NW
Washington, DC 20007
(202) 444-3700
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.
What does a Transplant Hepatologist do?
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.
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, Uva Health Haymarket Medical Center, Medstar Montgomery Medical Center, Medstar Harbor Hospital, 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
When to see a Transplant Hepatologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Transplant Hepatologist. 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 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.
<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>