0 reviews
Summary
Dr. Rachana Oak treats colon polyps, hemorrhoids, and GERD, and performs lower GI endoscopy, colonoscopy, and upper GI endoscopy. She practices gastroenterology with 12 years of experience. Dr. Oak earned her medical degree from New York Institute of Technology College of Osteopathic Medicine and sees patients in East Patchogue, Port Jefferson, Bay Shore, East Islip, Southampton, Westhampton Beach, and surrounding areas in New York.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 12 years of experience
- 38 insurance plans accepted
- New York Institute Of Technology College Of Osteopathic Medicine
- 1 specialty
- 10 office locations
- Female
Office Locations
Dr. Rachana H Oak has 10 locationsBrookhaven Gastroenterology Associates Pc
260 Patchogue Yaphank Rd Ste CEast Patchogue, NY 11772 Tel: (631) 289-0300
Mon7:00 am - 5:00 pm
Tue7:00 am - 5:00 pm
Wed7:00 am - 5:00 pm
Thu7:00 am - 5:00 pm
Fri7:00 am - 5:00 pm
Sat7:00 am - 3:00 pm
Sun7:00 am - 3:00 pm
Brookhaven Gastroenterology Associates Pc
126 E Main St Ste 1East Islip, NY 11730Mon7:30 am - 5:00 pm
Tue7:30 am - 5:00 pm
Wed7:30 am - 5:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 5:00 pm
SatClosed
SunClosed
Brookhaven Gastroenterology Associates Pc
365 County Road 39A Unit 8Southampton, NY 11968 Tel: (631) 289-4029
Mon7:30 am - 5:00 pm
Tue7:30 am - 5:00 pm
Wed7:30 am - 5:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 5:00 pm
SatClosed
SunClosed
Brookhaven Gastroenterology Associates Pc
260 Patchogue Yaphank Rd Ste DEast Patchogue, NY 11772Mon7:30 am - 5:00 pm
Tue7:30 am - 5:00 pm
Wed7:30 am - 5:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 5:00 pm
SatClosed
SunClosed
Brookhaven Gastroenterology Associates Pc
10 Riverhead RdWesthampton Beach, NY 11978Mon7:30 am - 5:00 pm
Tue7:30 am - 5:00 pm
Wed7:30 am - 5:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 5:00 pm
SatClosed
SunClosed
Brookhaven Gastroenterology Associates Pc
620 Belle Terre RdPort Jefferson, NY 11777 Tel: (631) 289-1708
Mon7:30 am - 5:00 pm
Tue7:30 am - 5:00 pm
Wed7:30 am - 5:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Rachana H Oak, DO | Dr. Eric Yoon, MD | Theresa Obonyano, APRN | Dr. Kristen Kyong Lee, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 12 Years of Experience | 13 Years of Experience | 17 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English | |
| East Patchogue , NY | New York , NY | Sacramento , CA | New York , NY |
| Med School: New York Institute Of Technology College Of Osteopathic Medicine | Med School: Stony Brook University School of Medicine | Med School: The University of Texas Health Science Center at Houston | Med School: Cornell University |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Rachana H Oak
Medical Specialties
Dr. Rachana H Oak has the following specialty
Certifications, License, & Education
12 Years Experience
Dr. Rachana H Oak holds an active medical license in the state of New York.
Medical License
Doctor Of Osteopathy with an active medical license in the state of New York that expires in 2026.
Education & Training
Medical School
Graduated from New York Institute Of Technology College Of Osteopathic Medicine in 2014.
NPI Number
Dr. Oak's NPI number is 1265842868.
Similar doctors
Frequently Asked Questions
- Where is Dr. Rachana Oak's office located?
- Dr. Rachana Oak's office is located at 260 Patchogue Yaphank Rd Ste C, East Patchogue, NY, 11772.
- Is Dr. Rachana Oak accepting new patients?
- Dr. Rachana Oak is accepting new patients on Vitals. View Dr. Rachana Oak's profile on Vitals to make an appointment.
- Does Dr. Rachana Oak accept virtual/telehealth appointments?
- Dr. Rachana Oak has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Rachana Oak?
- You can find contact information for Dr. Rachana Oak here on Vitals.
- Does Dr. Rachana Oak accept my insurance?
- You can see the insurance plans that Dr. Rachana Oak accepts on their Vitals profile.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.




