OrganizationActive
Cornerstone Dental Care, Inc.
NPI 1770947301 · Dentist · Westborough, MA
Cornerstone Dental Care, Inc. is a Dentist organization in Westborough, MA (NPI 1770947301).
Provider details
- NPI number
- 1770947301
- Entity type
- Organization
- Primary specialty
- DentistDental Providers
- Organization subpart
- No
- Authorized official
- Traci Portnoff, President(508) 366-3623
- License
- 19517 (MA)
Specialties & taxonomies
Dental Providers
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
1300 Union St
#g-101
Westborough, MA 01581-5416
Phone: (508) 366-3623
Fax: (508) 616-0206
Street-level locationGet directions
Mailing address
1300 Union St
Westborough, MA 01581-5416
Other names (DBA / former)
- Former legal business name
- Traci a Portnoff, DMD, PC
Registry dates
- Enumerated
- 2016-04-10
- Last updated
- 2016-04-10
Frequently asked questions
- What is Cornerstone Dental Care, Inc.'s NPI number?
- Cornerstone Dental Care, Inc.'s National Provider Identifier (NPI) is 1770947301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Cornerstone Dental Care, Inc.?
- Cornerstone Dental Care, Inc. is classified in the NPPES registry as Dentist (Dental Providers).
- Where is Cornerstone Dental Care, Inc. located?
- Cornerstone Dental Care, Inc.'s practice location on file with NPPES is 1300 Union St, Westborough, MA 01581-5416.
- What is Cornerstone Dental Care, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Cornerstone Dental Care, Inc. is (508) 366-3623.
- Who is the authorized official for Cornerstone Dental Care, Inc.?
- The authorized official listed on Cornerstone Dental Care, Inc.'s NPPES record is Traci Portnoff, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Cornerstone Dental Care, Inc.'s NPI active?
- Yes — Cornerstone Dental Care, Inc.'s NPI (1770947301) is active in the NPPES registry as of the last update on 2016-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.