What is Stephen Dulong's NPI number?

Stephen Dulong's National Provider Identifier (NPI) is 1659426070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Stephen Dulong's specialty?

Stephen Dulong is listed in the NPPES registry with a primary specialty of Prosthodontics (Dental Providers).

Where is Stephen Dulong located?

Stephen Dulong's practice location on file with NPPES is 181 Concord Ave, Cambridge, MA 02138-2317.

What is Stephen Dulong's phone number?

The practice phone number listed in the NPPES registry for Stephen Dulong is (617) 492-6070.

Is Stephen Dulong's NPI active?

Yes — Stephen Dulong's NPI (1659426070) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Stephen Dulong, DMD

NPI 1659426070 · Prosthodontics · Cambridge, MA

Stephen Dulong, DMD is a Prosthodontics provider in Cambridge, MA (NPI 1659426070).

Provider details

NPI number: 1659426070
Entity type: Individual
Primary specialty: ProsthodonticsDental Providers
Credential: DMD
Sex: Male
Sole proprietor: No
License: 13135 (MA)

Practice location

181 Concord Ave

Cambridge, MA 02138-2317

Phone: (617) 492-6070

Fax: (617) 576-3848

Street-level locationGet directions

More MA providers

Mailing address

181 Concord Ave

Cambridge, MA 02138-2317

Specialties & taxonomies

ProsthodonticsPrimary1223P0700XLicense 13135 (MA)
Dental Providers

Profile Score

Detailed profile(90/100 index)

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.

Enumerated: 2007-01-24
Last updated: 2007-07-08

Frequently asked questions

What is Stephen Dulong's NPI number?: Stephen Dulong's National Provider Identifier (NPI) is 1659426070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Stephen Dulong's specialty?: Stephen Dulong is listed in the NPPES registry with a primary specialty of Prosthodontics (Dental Providers).
Where is Stephen Dulong located?: Stephen Dulong's practice location on file with NPPES is 181 Concord Ave, Cambridge, MA 02138-2317.
What is Stephen Dulong's phone number?: The practice phone number listed in the NPPES registry for Stephen Dulong is (617) 492-6070.
Is Stephen Dulong's NPI active?: Yes — Stephen Dulong's NPI (1659426070) is active in the NPPES registry as of the last update on 2007-07-08.

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

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions