Michael Charles O'connor Jr, MD - Medicare Thoracic Surgery (Cardiothoracic Vascular Surgery) in Boston, MA

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Michael Charles O'connor Jr, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Boston, Massachusetts. His current practice location is 736 Cambridge St, Boston, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 789-3000.

Michael Charles O'connor Jr is licensed to practice in Massachusetts (license number 1020222) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1851812218.

Contact Information

Michael Charles O'connor Jr, MD
736 Cambridge St,
Boston, MA 02135-2907
(617) 789-3000
Not Available

Map and Direction




Physician's Profile

Full NameMichael Charles O'connor Jr
GenderMale
SpecialityThoracic Surgery (cardiothoracic Vascular Surgery)
Location736 Cambridge St, Boston, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1851812218
  • Provider Enumeration Date: 07/06/2017
  • Last Update Date: 01/02/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 2860766714
  • Enrollment ID: I20240930001581

Medical Identifiers

Medical identifiers for Michael Charles O'connor Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1851812218NPI-NPPES
110214335AMedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) 036.160359 (Illinois)Secondary
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) 1020222 (Massachusetts)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Michael Charles O'connor Jr allows following entities to bill medicare on his behalf.
Entity NameSteward Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629398219
PECOS PAC ID: 2860688728
Enrollment ID: O20101119000332

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. Michael Charles O'connor Jr 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
Michael Charles O'connor Jr, MD
960 Massachusetts Ave, Fl 2,
Boston, MA 02118-2690

Ph: () -		Michael Charles O'connor Jr, MD
736 Cambridge St,
Boston, MA 02135-2907

Ph: (617) 789-3000

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Boston, MA

Laurence H Brinckerhoff, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 830 Harrison Ave Fl 3, Moakley Bldg., Boston, MA 02118
Phone: 617-638-5600    Fax: 617-638-7228
David C Liu, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 110 Francis St, Suite 2a, Boston, MA 02215
Phone: 617-632-8383    
Christopher Thomas Ducko, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 75 Francis St, Boston, MA 02115
Phone: 617-732-6824    Fax: 617-566-3441
Gregory Stephen Couper, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: Brigham And Women's Hospital, Division Of Cardiac Surgery, Boston, MA 02115
Phone: 617-732-5500    
Dr. Niloo M Edwards, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 732 Harrison Ave, 3rd Floor, Boston, MA 02118
Phone: 617-638-5600    
John Young, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 75 Francis St, Boston, MA 02115
Phone: 617-732-6824    Fax: 617-566-3441
Chi-fu Jeffrey Yang, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 55 Fruit St, Boston, MA 02114
Phone: 617-726-6826    

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.