Commonwealth Ob-Gyn, PC
NPI 1912082694 · Specialist · Brookline, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Commonwealth Ob-Gyn, PC is a Specialist organization in Brookline, MA (NPI 1912082694).
Provider details
- NPI number
- 1912082694
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Derna Demaggio, President(617) 732-1510
- License
- 79073 (MA)
Specialties & taxonomies
Other Service Providers
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
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2007-10-01
Frequently asked questions
- What is Commonwealth Ob-Gyn, PC's NPI number?
- Commonwealth Ob-Gyn, PC's National Provider Identifier (NPI) is 1912082694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Commonwealth Ob-Gyn, PC?
- Commonwealth Ob-Gyn, PC is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Commonwealth Ob-Gyn, PC located?
- Commonwealth Ob-Gyn, PC's practice location on file with NPPES is 1 Brookline Pl, Brookline, MA 02445-7224.
- What is Commonwealth Ob-Gyn, PC's phone number?
- The practice phone number listed in the NPPES registry for Commonwealth Ob-Gyn, PC is (617) 732-1510.
- Does Commonwealth Ob-Gyn, PC accept Medicare?
- Commonwealth Ob-Gyn, PC 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 Commonwealth Ob-Gyn, PC?
- The authorized official listed on Commonwealth Ob-Gyn, PC's NPPES record is Derna Demaggio, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Commonwealth Ob-Gyn, PC's NPI active?
- Yes — Commonwealth Ob-Gyn, PC's NPI (1912082694) is active in the NPPES registry as of the last update on 2007-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.