Dianne Demers, PA
NPI 1649221599 · Physician Assistant · Worcester, MA
Dianne Demers, PA is a Physician Assistant provider in Worcester, MA (NPI 1649221599).
Provider details
- NPI number
- 1649221599
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 1183 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-15
- Last updated
- 2015-04-24
Frequently asked questions
- What is Dianne Demers's NPI number?
- Dianne Demers's National Provider Identifier (NPI) is 1649221599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dianne Demers's specialty?
- Dianne Demers is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dianne Demers located?
- Dianne Demers's practice location on file with NPPES is 26 Queen St, Worcester, MA 01610-2473.
- What is Dianne Demers's phone number?
- The practice phone number listed in the NPPES registry for Dianne Demers is (508) 756-6324.
- Is Dianne Demers's NPI active?
- Yes — Dianne Demers's NPI (1649221599) is active in the NPPES registry as of the last update on 2015-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.