Gwendeline Demers, PAC
NPI 1992846190 · Physician Assistant · Norwich, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gwendeline Demers, PAC is a Physician Assistant provider in Norwich, CT (NPI 1992846190).
Provider details
- NPI number
- 1992846190
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Female
- Sole proprietor
- No
- License
- 001285 (CT)
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
50 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 24 | $92 |
Typical Medicare-allowed amounts for these services range $67–$92 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefazolin Sodium | 54 | 12 |
| Doxycycline Hyclate | 43 | 33 |
| Vancomycin Hcl | 40 | — |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 39 | 12 |
| Cephalexin | 39 | 22 |
| Minocycline Hcl | 38 | 11 |
| Ceftazidime | 25 | — |
| Ciprofloxacin Hcl | 22 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gwendeline Demers's NPI number?
- Gwendeline Demers's National Provider Identifier (NPI) is 1992846190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwendeline Demers's specialty?
- Gwendeline Demers is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gwendeline Demers located?
- Gwendeline Demers's practice location on file with NPPES is 326 Washington St, Norwich, CT 06360.
- What is Gwendeline Demers's phone number?
- The practice phone number listed in the NPPES registry for Gwendeline Demers is (860) 889-8331.
- Does Gwendeline Demers accept Medicare?
- Gwendeline Demers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gwendeline Demers's NPI active?
- Yes — Gwendeline Demers's NPI (1992846190) 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.