Stephen R Sullivan, M.D., M.P.H.
Plastic And Reconstructive Surgery (CMS) · Cambridge, MA
At a glance
300 Mount Auburn St Ste 304, Cambridge, MA 02138-5665
Published activity: Mastectomy · Removal of skin lesions. View counts and coverage
NPPES record updated Aug 10, 2023. 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
300 Mount Auburn St Ste 304Cambridge, MA 02138-5665
Education & affiliations
- Medical / professional school
- University Of Washington School Of Medicine
- Graduation year
- 2001
- CMS specialties
- Plastic And Reconstructive Surgery
Practice groups
Reported hospital affiliations
- Mount Auburn Hospital Cambridge, 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 |
|---|---|
| Mastectomy | 1-10 |
| Removal of skin lesions | 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
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
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
- Plastic And Reconstructive Surgery (CMS)
- Taxonomy code
- 208200000X
- Enumeration date
- Sep 27, 2006
- Record updated
- Aug 10, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D., M.P.H.
Reported taxonomies and licenses
208200000X · Primary
License reported: 233018 MA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
300 Mount Auburn St Ste 304Cambridge, MA 02138-5665
- Phone
- (617) 492-0620
- Fax
- (617) 492-0631
Mailing address
300 MOUNT AUBURN STREETSUITE 304
CAMBRIDGE, MA 02138
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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