Gregory Stephen Couper, MD
Cardiac Surgery (CMS) · Boston, MA
At a glance
Brigham And Women's Hospital, Boston, MA 02115
Published activity: Coronary artery bypass graft (CABG) · Removal of tissue. View counts and coverage
NPPES record updated Aug 6, 2012. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
Brigham And Women's Hospital Division Of Cardiac SurgeryBoston, MA 02115
Education & affiliations
- Medical / professional school
- Northwestern University Feinberg Medical School
- Graduation year
- 1979
- CMS specialties
- Cardiac Surgery
Practice groups
Reported hospital affiliations
- Tufts Medical Center Boston, MA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Coronary artery bypass graft (CABG) | 1-10 |
| Removal of tissue | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $201.63 |
Reporting companies
| Company | Amount |
|---|---|
| CVRX, INC. | $81.94 |
| PFIZER INC. | $69.09 |
| ACTELION PHARMACEUTICALS US, INC. | $27.43 |
| SHOCKWAVE MEDICAL, INC | $23.17 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Cardiac Surgery (CMS)
- Taxonomy code
- 208G00000X
- Enumeration date
- May 12, 2006
- Record updated
- Aug 6, 2012
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
208G00000X · Primary
License reported: 58112 MA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
Brigham And Women's HospitalDivision Of Cardiac Surgery
Boston, MA 02115
- Phone
- (617) 732-5500
Mailing address
111 CYPRESS STBROOKLINE, MA 024456002
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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