Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Mark, Gastroenterologist in Purchase, NY?
Dr. Alissa Mark, MD is a Gastroenterologist, who primarily practices in Purchase, NY with 2 additional practice locations. She is board certified. Dr. Mark is fluent in English, and is currently seeing new patients. Dr. Mark’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mark’s office at (914) 682-6466.
What are Areas of Expertise for Dr. Mark?
Dr. Alissa Mark, 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. Mark empowers patients to confidently navigate their health journey, specializing in Biliary Disease, Celiac Disease, Colon & Rectal Cancer, Colon Polyps & Cancer, Colonoscopy & Polypectomy, Endoscopic Retrograde Cholangiopancreatography (ERCP), Endoscopic Ultrasound, Gallbladder Disease, Pancreatic Disease, or comprehensive wellness support. Serving the Purchase/NY community, Dr. Mark is dedicated to enhancing lives through expert, patient-centered care.
What languages does Dr. Mark speak?
Dr. Mark and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Mark treat?
As a Gastroenterologist, Dr. Mark 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. Mark. 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:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
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:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Hemorrhoids
- Piles
- Anal veins
- Swollen rectal veins
ICD-10 Codes:
- K648: Other hemorrhoids
Also known as:
- Pre-Procedure Lab Tests
- Pre-op blood work
- Lab tests before surgery
- Pre-treatment lab assessment
ICD-10 Codes:
- Z01812: Encounter for preprocedural laboratory examination
Also known as:
- Special Medical Examination
- Specific health check
- Detailed medical assessment
- Special health screening
ICD-10 Codes:
- Z0189: Encounter for other specified special examinations
Also known as:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
Also known as:
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
Also known as:
- COVID-19
- COVID-19 (Coronavirus Disease 2019)
- Coronavirus Disease 2019
- SARS-CoV-2 Infection
- Novel Coronavirus
ICD-10 Codes:
- U071: COVID-19
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Also known as:
- Abdominal Bloating
- Gas
- Gas in the Digestive Tract
- Bloated Stomach
- Swollen Belly
- Gaseous Distension
ICD-10 Codes:
- R140: Abdominal distension (gaseous)
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5909: Other constipation
Which procedures does Dr. Mark perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Alissa Mark 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. Mark's office.
Does Dr. Mark accept my insurance?
Dr. Mark accepts most major insurance plans. Important: Please call our office at (914) 682-6466 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Mark accept in Purchase, NY?
Dr. Mark in Purchase, 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
Assurant
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Healthfirst
MagnaCare Rx
Medicare
Service Employees International Union (SEIU)
State of Connecticut
UnitedHealthcare
View All Insurances
Where is Dr. Mark's office located?
Dr. Alissa Mark's Primary Practice
3030 Westchester Ave
Purchase, NY 10577
(914) 682-6466
What is Dr. Mark's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Mark's National Provider Identifier (NPI) number is 1174705065.
What common questions do patients ask about Dr. Mark?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mark
What is Dr. Alissa Mark's specialty?
Dr. Mark is a Gastroenterologist near Purchase, 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. Mark to book an appointment today.
Is this Dr. Alissa Mark affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Mark is affiliated with White Plains Hospital, Greenwich 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 Alissa Mark accepting new patients in Purchase, NY?
Yes, Dr. Alissa Mark is accepting new patients at this time.
Does Dr. Alissa Mark offer online booking?
Please contact Dr. Mark's office at (914) 682-6466 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Alissa Mark?
Please contact Dr. Mark's office at (914) 682-6466 for information regarding telehealth appointment availability or for scheduling assistance.
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