Dr. Mike Leonis, MD, PHD
Cleveland, OH
23 Years of Experience
Who is Dr. Leonis, Pediatric Transplant Hepatologist in Cleveland, OH?
Dr. Mike Leonis, MD, PHD is a Pediatric Transplant Hepatologist, who primarily practices in Cleveland, OH. He has been practicing for over 23 years and is board certified. Dr. Leonis graduated from University of Utah Sch of Medicine and completed his residency at Childrens Hosp Med Ctr, Pediatric Gastroenterology; Univ Of Ut Med Ctr, Pediatrics. Dr. Leonis is fluent in English, and is currently seeing new patients. Dr. Leonis’s practice accepts Medicare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Leonis’s office at (216) 444-7000.
What are Areas of Expertise for Dr. Leonis?
Dr. Mike Leonis, MD, PHD is a highly-rated, board-certified Pediatric Transplant Hepatologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Leonis empowers patients to confidently navigate their health journey, specializing in Liver Disease, Transplant Medicine-Liver, and comprehensive wellness support. Serving the Cleveland, OH community, Dr. Leonis is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Leonis go to medical school and complete their residency?
Fellowship: Cincinnati Children's
Residency: Childrens Hosp Med Ctr, Pediatric Gastroenterology; Univ Of Ut Med Ctr, Pediatrics | University of Utah Affiliated Hospitals | Children's Hospital/Boston Medical Center Program A
Medical School: Washington University School of Medicine, St. Louis | University of Utah Sch of Medicine | Washington University School of Medicine, St. Louis
Is Dr. Leonis board certified as a Pediatric Transplant Hepatologist?
Yes, Dr. Mike Leonis, MD, PHD is board certified by the American Board of Pediatrics , American Board of Pediatrics since 2003
What languages does Dr. Leonis speak?
Dr. Leonis and their clinical team can communicate with patients in the following languages:
English
What conditions does a Pediatric Transplant Hepatologist like Dr. Leonis typically treat?
As a Pediatric Transplant Hepatologist, Dr. Leonis 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. Leonis. 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:
- Constipation
- Chronic Idiopathic Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
- Functional Constipation
- Unexplained Chronic Constipation
- Long-Term Constipation
ICD-10 Codes:
- K5900: Constipation, unspecified
- K5904: Chronic idiopathic constipation
Also known as:
- Belly Button Pain
- Abdominal Pain
- Pain around navel
- Periumbilical discomfort
- Umbilical pain
ICD-10 Codes:
- R1033: Periumbilical pain
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
What procedures does a Pediatric Transplant Hepatologist like Dr. Leonis typically perform?
As a Pediatric Transplant Hepatologist, Dr. Leonis 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. Leonis. 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:
- 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:
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
Does Dr. Leonis accept my insurance?
Dr. Leonis accepts most major insurance plans. Important: Please call our office at (216) 444-7000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Leonis accept in Cleveland, OH?
Dr. Leonis in Cleveland, OH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CareSource
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Humana
Independence Health Group
Medical Mutual of Ohio
State of Ohio
UnitedHealth Group
View All Insurances
Where is Dr. Leonis' office located?
What is Dr. Leonis's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Leonis's National Provider Identifier (NPI) number is 1669402087.
What common questions do patients ask about Dr. Leonis?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Leonis
What is Dr. Mike Leonis's specialty?
Dr. Leonis is a Pediatric Transplant Hepatologist near Cleveland, OH.
What does a Pediatric Transplant Hepatologist do?
A pediatrician with expertise in transplant hepatology, possessing the specialized knowledge and skills necessary for pediatric gastroenterologists to care for patients before and after liver transplantation. This expertise encompasses all phases of the transplantation process, ensuring comprehensive management of liver transplant recipients.
Is this Dr. Mike Leonis affiliated with a ranked Castle Connolly Top Hospital?
No, Leonis is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Cleveland Clinic Children's Hospital. Castle Connolly Top Hospitals 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 Pediatric Transplant Hepatologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Pediatric 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 Mike Leonis accepting new patients in Cleveland, OH?
Yes, Dr. Mike Leonis is accepting new patients at this time.
Does Dr. Mike Leonis offer online booking?
Please contact Dr. Leonis's office at (216) 444-7000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mike Leonis?
Please contact Dr. Leonis's office at (216) 444-7000 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Mike Leonis have?
Dr. Mike Leonis is certified by the American Board of Pediatrics.
<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>