Summary

Dr. Alissa Mark is a gastroenterologist with expertise in internal medicine, bringing 25 years of clinical experience to her practice. She earned her medical degree from Lewis Katz School of Medicine at Temple University, where she developed her foundation in comprehensive patient care. Her dual specialization allows her to address both complex digestive disorders and general internal medicine concerns with extensive knowledge. Dr. Mark is fluent in Spanish and English, enabling her to serve diverse patient populations.

Dr. Mark maintains affiliations with Greenwich Hospital and practices at locations in Purchase, New York, Greenwich, Connecticut, and the Bronx, New York. She specializes in treating common digestive conditions such as colon polyps, hemorrhoids, and diverticular disease. Her procedural expertise includes performing colonoscopies and lower gastrointestinal endoscopy to diagnose and monitor intestinal health. Patients have given her an average rating of 3.5 on Vitals, reflecting her commitment to digestive health care.
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AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 3.5
  • 25 years of experience
  • 31 insurance plans accepted
  • speaks Spanish, English
  • Lewis Katz School Of Medicine At Temple University
  • 1 written review
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 3 office locations
  • Female

Office Locations

Dr. Alissa Jill Mark has 3 locations

Westmed Medical Group

3030 Westchester AvePurchase, NY 10577
Mon7:00 am - 7:30 pm
Tue7:00 am - 7:30 pm
Wed7:00 am - 7:30 pm
Thu7:00 am - 7:30 pm
Fri7:00 am - 7:30 pm
Sat9:00 am - 1:00 pm
SunClosed

Greenwich Hospital

5 Perryridge RdGreenwich, CT 06830

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Dr. Alissa Jill Mark, MDDr. Michael Seth Rosman, MDDr. Kristen Kyong Lee, MDDr. Ghassan Philip Sayegh, DO
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.5 
25 Years of Experience 10 Years of Experience 17 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks Spanish, English Speaks English Speaks English
Purchase , NYNEW YORK , NYNEW YORK , NYYONKERS , NY
Med School: Lewis Katz School Of Medicine At Temple University Med School: New York University School Of Medicine Med School: Cornell University Med School: Osteopathic Medical Degree from New York Institute of Technology College of Osteopathic Medicine.
Current Profile
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Insurance Plans Accepted by Dr. Alissa Jill Mark

  • Accepts Medicare
  • Accepts Medicaid
  • 1199SEIU
  • Aetna
  • Anthem Blue Cross
  • APWU
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Massachusetts
  • CDPHP - HMO
  • CHAMPVA - HMO
  • Cigna
  • EmblemHealth
  • EmblemHealth - EPO
  • EmblemHealth - HMO
  • EmblemHealth - PPO
  • Fidelis Care (NY)
  • Fidelis Care (NY) - HMO
  • Fidelis Care (NY) - Medicare (Advantage HMO)
  • HealthFirst (NY)
  • Independence Blue Cross
  • MagnaCare
  • MagnaCare - PPO
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Meritain Health - EPO
  • MVP Health Care
  • Physicians Health Plan
  • PreferredOne
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - PPO
  • UnitedHealthcare Oxford

Medical Specialties

Dr. Alissa Jill Mark has the following 2 specialties

Specialty Expertise

Dr. Alissa Jill Mark has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

25 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2027, Active
Medical Doctor, Connecticut, 2026, Expired

EDUCATION & TRAINING

Medical School

Lewis Katz School Of Medicine At Temple UniversityGraduated in 2001

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Frequently Asked Questions

Does Dr. Alissa Mark accept my insurance?
You can see the insurance plans that Dr. Alissa Mark accepts on their Vitals profile.
Where is Dr. Alissa Mark's office located?
Dr. Alissa Mark's office is located at 3030 Westchester Ave, Purchase, NY, 10577.
Does Dr. Alissa Mark accept virtual/telehealth appointments?
Dr. Alissa Mark has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Alissa Mark accepting new patients?
Dr. Alissa Mark is accepting new patients on Vitals. View Dr. Alissa Mark's profile on Vitals to make an appointment.
Which hospitals is Dr. Alissa Mark affiliated with?
Dr. Alissa Mark is affiliated with Greenwich Hospital.

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