Brian William Oconnor, MD - Medicare in Woburn, MA

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Brian William Oconnor, MD is a medicare enrolled "Preventive Medicine - Addiction Medicine" physician in Woburn, Massachusetts. His current practice location is 20 Tower Office Park, Woburn, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (781) 305-3300.

Brian William Oconnor is licensed to practice in Massachusetts (license number 72453) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1912991522.

Contact Information

Brian William Oconnor, MD
20 Tower Office Park,
Woburn, MA 01801-2113
(781) 305-3300
(781) 305-3227

Map and Direction




Physician's Profile

Full NameBrian William Oconnor
GenderMale
Speciality
Experience Years
Location20 Tower Office Park, Woburn, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Brian William Oconnor attended and graduated from in
  NPI Data:
  • NPI Number: 1912991522
  • Provider Enumeration Date: 09/09/2005
  • Last Update Date: 07/29/2025
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Brian William Oconnor such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1912991522NPI-NPPES
3079767MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2083A0300XPreventive Medicine - Addiction Medicine 20743 (New Hampshire)Secondary
2083A0300XPreventive Medicine - Addiction Medicine 72453 (Massachusetts)Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Brian William Oconnor is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Brian William Oconnor, MD
20 Tower Office Park,
Woburn, MA 01801-2113

Ph: (781) 305-3887		Brian William Oconnor, MD
20 Tower Office Park,
Woburn, MA 01801-2113

Ph: (781) 305-3300

Reviews and Comments


Preventive Medicine Doctors in Woburn, MA

Dr. Andrew G Jones, MD, MPH
Preventive Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 200 Unicorn Park Dr Ste 401, Woburn, MA 01801
Phone: 781-756-6760    Fax: 781-756-6767
David M Roston, M.D.
Preventive Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 600 W Cummings Park, Suite 3400, Woburn, MA 01801
Phone: 781-935-8581    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.