AK
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Knapp, Gastroenterologist in New York, NY?
Dr. Albert Knapp, MD is a Gastroenterologist, who primarily practices in New York, NY. He is board certified by the American Board of Internal Medicine. Dr. Knapp graduated from Columbia Univ College of Physicians And Surgeons and completed his residency at Brigham & Women'S Hosp, Gastroenterology; Bronx Municipal Hosp Ctr, Internal Medicine. Dr. Knapp is fluent in English, French, German, and Italian, and is currently seeing new patients. Dr. Knapp’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Knapp’s office at (212) 737-3446.
What are Areas of Expertise for Dr. Knapp?
Dr. Albert Knapp, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Knapp empowers patients to confidently navigate their health journey, specializing in Colonoscopy & Polypectomy, Endoscopy, Liver Disease, Transplant Medicine-Liver, or comprehensive wellness support. Serving the New York/NY community, Dr. Knapp is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Knapp go to medical school and complete their residency?
Residency: Brigham & Women'S Hosp, Gastroenterology; Bronx Municipal Hosp Ctr, Internal Medicine | Brigham & Women's Hospital Program
Medical School: Columbia Univ Coll of Physicians And Surgeons, New York Ny | Columbia Univ College of Physicians And Surgeons
Is Dr. Knapp board certified in Gastroenterologist?
Yes, Dr. Albert Knapp, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Knapp speak?
Dr. Knapp and their clinical team can communicate with patients in the following languages:
English
French
German
Italian
What conditions does Dr. Knapp treat?
As a Gastroenterologist, Dr. Knapp 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. Knapp. 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:
- 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:
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K921: Melena
Which procedures does Dr. Knapp perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Albert Knapp may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Knapp's office.
Does Dr. Knapp accept my insurance?
Dr. Knapp accepts most major insurance plans. Important: Please call our office at (212) 737-3446 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Knapp accept in New York, NY?
Dr. Knapp in New York, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Cigna
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
HealthNow New York
Medicare
UnitedHealthcare
View All Insurances
Where is Dr. Knapp's office located?
Recognitions
Castle Connolly Doctor’s Choice Awards
Doctor’s Choice - All Time
Among the most nominated for the Castle Connolly Top Doctor recognition across all time
Doctor’s Choice - 2025
Among the most nominated for the Castle Connolly Top Doctor recognition in 2025
Doctor’s Choice - Last 5 Years
Among the most nominated for the Castle Connolly Top Doctor recognition in the last 5 years
What is Dr. Knapp's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Knapp's National Provider Identifier (NPI) number is 1043311574.
What common questions do patients ask about Dr. Knapp?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Knapp
What is Dr. Albert Knapp's specialty?
Dr. Knapp is a Gastroenterologist near New York, NY. 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. Contact Dr. Knapp to book an appointment today.
Is this Dr. Albert Knapp affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Knapp is affiliated with Lenox Hill Hospital, NYU Langone Health - Tisch 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 Gastroenterologist?
Explore Gastroenterologist 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 Albert Knapp accepting new patients in New York, NY?
Yes, Dr. Albert Knapp is accepting new patients at this time.
Does Dr. Albert Knapp offer online booking?
Please contact Dr. Knapp's office at (212) 737-3446 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Albert Knapp?
Please contact Dr. Knapp's office at (212) 737-3446 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Albert Knapp have?
Dr. Albert Knapp is certified by the American Board of Internal Medicine.
Other Gastroenterologist Near New York, NY
Accepting patientsDr. Susan Lucak, MD is a Gastroenterologist, who primarily practices in New York, NY. She is board certified by the American Board of Internal Medicine.
Accepting patientsDr. Makoto Iwahara, MD is a Gastroenterologist, who primarily practices in New York, NY. He is board certified.
New York, NY
Accepting patientsDr. Michael Krumholz, MD is a Gastroenterologist, who primarily practices in New York, NY. He is board certified.
New York, NY