Mass General Brigham Medical Group Suburban Massachusetts Inc
NPI 1538191218 · Family Medicine Physician · Newton, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mass General Brigham Medical Group Suburban Massachusetts Inc is a Family Medicine Physician organization in Newton, MA (NPI 1538191218).
Provider details
- NPI number
- 1538191218
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lindsay Gainer, President & Coo(857) 282-3914
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Cardiovascular Disease Physician207RC0000X
Allopathic & Osteopathic Physicians
- Gastroenterology Physician207RG0100X
Allopathic & Osteopathic Physicians
- Infectious Disease Physician207RI0200X
Allopathic & Osteopathic Physicians
- Child & Adolescent Psychiatry Physician2084P0804X
Allopathic & Osteopathic Physicians
- Surgery Physician208600000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Other names (DBA / former)
- Former legal business name
- Newton-Wellesley Ambulatory Services, Inc.
- Former legal business name
- Newton-Wellesley Medical Group, Inc.
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2025-06-02
- Certified
- 2025-06-02
Frequently asked questions
- What is Mass General Brigham Medical Group Suburban Massachusetts Inc's NPI number?
- Mass General Brigham Medical Group Suburban Massachusetts Inc's National Provider Identifier (NPI) is 1538191218, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mass General Brigham Medical Group Suburban Massachusetts Inc?
- Mass General Brigham Medical Group Suburban Massachusetts Inc is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mass General Brigham Medical Group Suburban Massachusetts Inc located?
- Mass General Brigham Medical Group Suburban Massachusetts Inc's practice location on file with NPPES is 2014 Washington Street, Newton, MA 02462-1607.
- What is Mass General Brigham Medical Group Suburban Massachusetts Inc's phone number?
- The practice phone number listed in the NPPES registry for Mass General Brigham Medical Group Suburban Massachusetts Inc is (617) 243-6262.
- Does Mass General Brigham Medical Group Suburban Massachusetts Inc accept Medicare?
- Mass General Brigham Medical Group Suburban Massachusetts Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mass General Brigham Medical Group Suburban Massachusetts Inc?
- The authorized official listed on Mass General Brigham Medical Group Suburban Massachusetts Inc's NPPES record is Lindsay Gainer, President & Coo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mass General Brigham Medical Group Suburban Massachusetts Inc's NPI active?
- Yes — Mass General Brigham Medical Group Suburban Massachusetts Inc's NPI (1538191218) is active in the NPPES registry as of the last update on 2025-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.