What is Stephen Sullivan's NPI number?

Stephen Sullivan's National Provider Identifier (NPI) is 1154412906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Stephen Sullivan's specialty?

Stephen Sullivan is listed in the NPPES registry with a primary specialty of Plastic Surgery Physician (Allopathic & Osteopathic Physicians).

Where is Stephen Sullivan located?

Stephen Sullivan's practice location on file with NPPES is 300 Mount Auburn St Ste 304, Cambridge, MA 02138-5665.

What is Stephen Sullivan's phone number?

The practice phone number listed in the NPPES registry for Stephen Sullivan is (617) 492-0620.

Does Stephen Sullivan accept Medicare?

Stephen Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Stephen Sullivan's NPI active?

Yes — Stephen Sullivan's NPI (1154412906) is active in the NPPES registry as of the last update on 2023-08-10.

IndividualActiveAccepts Medicare

Stephen Sullivan, M.D., M.P.H.

NPI 1154412906 · Plastic Surgery Physician · Cambridge, MA

Stephen Sullivan, M.D., M.P.H. is a Plastic Surgery Physician provider in Cambridge, MA (NPI 1154412906).

Provider details

NPI number: 1154412906
Entity type: Individual
Primary specialty: Plastic Surgery PhysicianAllopathic & Osteopathic Physicians
Credential: M.D., M.P.H.
Sex: Male
Sole proprietor: No
License: 233018 (MA)

Practice location

300 Mount Auburn St Ste 304

Cambridge, MA 02138-5665

Phone: (617) 492-0620

Fax: (617) 492-0631

Street-level locationGet directions

More MA providers

Mailing address

300 Mount Auburn Street

Cambridge, MA 02138

Specialties & taxonomies

Plastic Surgery PhysicianPrimary208200000XLicense 233018 (MA)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Plastic and Reconstructive Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(92/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure33% of score
20 yrs in NPPES registry
Profile completeness33% of score
100% of core fields populated
Practice footprint20% of score
1 documented practice location
Open Payments transparency13% of score
Has Open Payments disclosures (2024)

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$26 across 1 record (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2006-09-27
Last updated: 2023-08-10
Certified: 2023-07-28

Frequently asked questions

What is Stephen Sullivan's NPI number?: Stephen Sullivan's National Provider Identifier (NPI) is 1154412906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Stephen Sullivan's specialty?: Stephen Sullivan is listed in the NPPES registry with a primary specialty of Plastic Surgery Physician (Allopathic & Osteopathic Physicians).
Where is Stephen Sullivan located?: Stephen Sullivan's practice location on file with NPPES is 300 Mount Auburn St Ste 304, Cambridge, MA 02138-5665.
What is Stephen Sullivan's phone number?: The practice phone number listed in the NPPES registry for Stephen Sullivan is (617) 492-0620.
Does Stephen Sullivan accept Medicare?: Stephen Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Stephen Sullivan's NPI active?: Yes — Stephen Sullivan's NPI (1154412906) is active in the NPPES registry as of the last update on 2023-08-10.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Transparency — industry payments

Frequently asked questions