35 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Mahl, Gastroenterologist in Buffalo, NY?
Dr. Thomas Mahl, MD is a Gastroenterologist, who primarily practices in Buffalo, NY with 1 additional practice location. He has been practicing for over 35 years and is board certified. Dr. Mahl graduated from University at Buffalo State University of New York School of Medicine & Biomedical Sciences and completed his residency at Yale New Haven Hosp, Gastroenterology; Univ Of Ct Sch Of Med, Internal Medicine. He is a member of the American Association for the Study of Liver Disease, Alpha Omega Alpha, American Liver Foundation, Hepatitis B Foundation, Medical Union of Buffalo, NY, and American Gastroenterological Association. Dr. Mahl is fluent in English, and is currently seeing new patients. Dr. Mahl’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mahl’s office at (716) 862-3145.
Where did Dr. Mahl go to medical school and complete their residency?
Fellowship: Gastroenterology, Yale University School of Medicine
Residency: Yale New Haven Hosp, Gastroenterology; Univ Of Ct Sch Of Med, Internal Medicine | University of Connecticut Affiliated Hospitals | University of Connecticut Program A
Medical School: University At Buffalo SUNY School Of Med and Biomedical Sciences Buffalo Ny | University at Buffalo State University of New York School of Medicine & Biomedical Sciences | UB School of Medicine
Is Dr. Mahl board certified as a Gastroenterologist?
Yes, Dr. Thomas Mahl, MD is board certified by the American Board of Internal Medicine , American Board of Internal Medicine since 1987, American Board of Internal Medicine since 1989
What languages does Dr. Mahl speak?
Dr. Mahl and their clinical team can communicate with patients in the following languages:
English
What conditions does a Gastroenterologist like Dr. Mahl typically treat?
As a Gastroenterologist, Dr. Mahl 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. Mahl. 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:
- Pre-Procedure Heart Examination
- Pre-Surgery Cardiac Checkup
- Heart Health Assessment (Before Procedure)
- Cardiovascular Clearance Exam
ICD-10 Codes:
- Z01810: Encounter for preprocedural cardiovascular examination
Also known as:
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K921: Melena
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:
- Alcoholic Cirrhosis
- Alcohol Use Disorder (AUD)
- Cirrhosis
- Alcohol-induced cirrhosis
- End-stage alcoholic liver disease
- Severe alcoholic liver scarring
ICD-10 Codes:
- K7030: Alcoholic cirrhosis of liver without ascites
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
What procedures does a Gastroenterologist like Dr. Mahl typically perform?
As a Gastroenterologist, Dr. Mahl 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. Mahl. 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
- Flexible Sigmoidoscopy with Biopsy
- Colorectal Cancer Screening Tests
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- EGD with Band Ligation
- Esophageal Varices Banding
- Gastric Varices Treatment
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
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
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
Also known as:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 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:
- 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:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Does Dr. Mahl accept my insurance?
Dr. Mahl accepts most major insurance plans. Important: Please call our office at (716) 862-3145 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Mahl accept in Buffalo, NY?
Dr. Mahl in Buffalo, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centene Corporation
Centers Plan For Healthy Living
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Humana
Independent Health Association
Medicaid
Medicare
Molina Healthcare
Unknown
View All Insurances
Where is Dr. Mahl's office located?
Recognitions
Memberships & Associations
American Association for the Study of Liver Disease
Member
Alpha Omega Alpha
Member
American Liver Foundation
Member
Hepatitis B Foundation
Member
Medical Union of Buffalo, NY
Member
American Gastroenterological Association
Fellow
Awards
Teaching Excellence
Segal Award for Teaching - runner-up
Segal Award for Teaching
Fellow, American Gastroenterological Association
F. Carter Pannell Award
What is Dr. Mahl's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Mahl's National Provider Identifier (NPI) number is 1780633412.
What common questions do patients ask about Dr. Mahl?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mahl
What is Dr. Thomas Mahl's specialty?
Dr. Mahl is a Gastroenterologist near Buffalo, NY.
What does a Gastroenterologist do?
An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs.
Is this Dr. Thomas Mahl affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Mahl is affiliated with Mount St. Mary’s Hospital, Mercy Hospital Of Buffalo, Olean General Hospital, Kenmore Mercy 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 Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. 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 Thomas Mahl accepting new patients in Buffalo, NY?
Yes, Dr. Thomas Mahl is accepting new patients at this time.
Does Dr. Thomas Mahl offer online booking?
Please contact Dr. Mahl's office at (716) 862-3145 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Thomas Mahl?
Please contact Dr. Mahl's office at (716) 862-3145 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Thomas Mahl have?
Dr. Thomas Mahl is certified by the American Board of Internal Medicine.
<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>