5
2 Ratings
Summary
Dr. Daniel Obrien treats hemorrhoids, colon polyps, and diverticular disease, and performs colonoscopy, lower GI endoscopy, and upper GI endoscopy. He has practiced gastroenterology for 18 years and is affiliated with Danbury Hospital, Norwalk Hospital, and Putnam Hospital Center.
Dr. Obrien earned his medical degree from SUNY Downstate Medical Center College of Medicine and completed his residency at University Hospital of Brooklyn. He sees patients in Danbury, CT, and Carmel, NY, and speaks English and Spanish. Patients on Vitals rate Dr. Obrien 5 out of 5.
Dr. Obrien earned his medical degree from SUNY Downstate Medical Center College of Medicine and completed his residency at University Hospital of Brooklyn. He sees patients in Danbury, CT, and Carmel, NY, and speaks English and Spanish. Patients on Vitals rate Dr. Obrien 5 out of 5.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 18 years of experience
- speaks English, Spanish
- University Hospital Of Brooklyn
- 1 specialty
- 8 areas of expertise
- 3 hospital affiliations
- 7 office locations
- Male
Office Locations
Dr. Daniel Patrick Obrien has 7 locationsDanbury Surgical Center
73 Sand Pit RdDanbury, CT 06810Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Nuvance Health Medical Practices - Gastroenterology
111 Osborne St Ste 121Danbury, CT 06810Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed
Gastroenterology Carmel
150 Route 52Carmel, NY 10512 Tel: (845) 228-2910
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed
Danbury Surgical Center
901 Ethan Allen Hwy Ste 105Ridgefield, CT 06877Mon6:00 am - 5:00 pm
Tue6:00 am - 5:00 pm
Wed6:00 am - 5:00 pm
Thu6:00 am - 5:00 pm
Fri6:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Daniel Patrick Obrien JR., MD | Dr. Sarah S Lusman, MD | Dr. Hashem Joseph Hashem, MD | Jessica P Harris, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 18 Years of Experience | 21 Years of Experience | 27 Years of Experience | 11 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks Spanish | Speaks English, French, Arabic | Speaks Mandarin, Spanish |
| Danbury , CT | New York , NY | Somers , NY | Yorktown Heights , NY |
| Med School: Suny Downstate Med Ctr | Med School: Columbia University College Of Physicians & Surgeons | Med School: St Georges University School Of Medicine | Med School: Icahn School Of Medicine At Mount Sinai |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Daniel Patrick Obrien
Medical Specialties
Dr. Daniel Patrick Obrien has the following specialty
Specialty Expertise
Dr. Daniel Patrick Obrien has the following 8 areas of expertise
Certifications, License, & Education
18 Years Experience
Dr. Daniel Patrick Obrien holds an expired medical license in the states of New York and Connecticut.
Medical License
Medical Doctor with an expired medical license in the state of New York that expired in 2026 and an expired medical license in the state of Connecticut that expired in 2026.
Education & Training
Residency
Completed their residency at University Hospital Of Brooklyn.
Medical School
Graduated from Suny Downstate Med Ctr and Suny Downstate Medical Center College Of Medicine in 2008.
NPI Number
Dr. Obrien's NPI number is 1518132505.
Similar doctors
Frequently Asked Questions
- How can I make an appointment with Dr. Daniel Obrien?
- You can find contact information for Dr. Daniel Obrien here on Vitals.
- What languages does Dr. Daniel Obrien speak?
- Dr. Daniel Obrien speaks English and Spanish.
- Does Dr. Daniel Obrien accept virtual/telehealth appointments?
- Dr. Daniel Obrien has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Daniel Obrien's office located?
- Dr. Daniel Obrien's office is located at 73 Sand Pit Rd, Danbury, CT, 06810.
- Which hospitals is Dr. Daniel Obrien affiliated with?
- Dr. Daniel Obrien is affiliated with Danbury Hospital, Norwalk Hospital, and Putnam Hospital Center.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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.
