Mary Ellen O'Brien, MD

Addiction Medicine · Internal Medicine

19+ years in practiceNPI: 1144425000Licensed in RI

About

Bio coming soon.

Are you Mary Ellen O'Brien, MD?

Claim your profile

Verify your identity, update your credentials, and take ownership of your listing on PBCMMG.

Claim Profile

Credentials & Recognition

Specialties

Addiction MedicineInternal Medicine

NPI sub-specialties

Internal Medicine207R00000X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

19+ years

Estimated from NPI enumeration date

Other Addiction Medicine Doctors near Rhode Island

View all →

Dr. Ankush Bansal, MD

Rhode Island, RI · Board cert · 21+ yrs

Dr. Ali Akhtar, MD

Rhode Island, RI · 21+ yrs

Dr. Laila Akhund, MD

Rhode Island, RI · 21+ yrs

Dr. Gregory Allen, DO

Rhode Island, RI · 21+ yrs

Dr. Rex Appenfeller, MD

Rhode Island, RI · 21+ yrs

Dr. John Audett, MD

Rhode Island, RI · 21+ yrs

Frequently Asked Questions about Dr. Mary Ellen O'Brien, MD

Where does Dr. Mary Ellen O'Brien, MD practice?+
Dr. Mary Ellen O'Brien, MD practices in Rhode Island, RI. 593 EDDY ST PROVIDENCE, RI 029034923.
What is Dr. Mary Ellen O'Brien, MD's phone number?+
Dr. Mary Ellen O'Brien, MD's practice phone is 401-444-4083. Office contact information is verified on the PBCMMG profile.
What does Dr. Mary Ellen O'Brien, MD specialize in?+
Dr. Mary Ellen O'Brien, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine.
Is Dr. Mary Ellen O'Brien, MD board certified?+
Board certification status for Dr. Mary Ellen O'Brien, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Mary Ellen O'Brien, MD been practicing?+
Dr. Mary Ellen O'Brien, MD has been in active practice for 19+ years, based on NPI enumeration and state licensing records.
What is Dr. Mary Ellen O'Brien, MD's NPI number?+
Dr. Mary Ellen O'Brien, MD's National Provider Identifier (NPI) is 1144425000, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

See an error? info@pbcmmg.com

Are you Mary Ellen O'Brien, MD?

Claim & complete your profile →

Verify identity, upload proof, and update credentials. Approval typically 1-2 business days.