Gloria Barnett-Duncan, CNP
NPI 1346627064 · Psychiatric/Mental Health Nurse Practitioner · Hyannis, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gloria Barnett-Duncan, CNP is a Psychiatric/Mental Health Nurse Practitioner provider in Hyannis, MA (NPI 1346627064).
Provider details
- NPI number
- 1346627064
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN2276406 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
571 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 361 | $109 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 179 | $61 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 31 | $186 |
Typical Medicare-allowed amounts for these services range $61–$186 (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 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 190 | 26 |
| Trazodone Hcl | 147 | 34 |
| Sertraline Hcl | 138 | 24 |
| Fluoxetine Hcl | 128 | 14 |
| Quetiapine Fumarate | 120 | 12 |
| Buspirone Hcl | 100 | 20 |
| Lamotrigine | 89 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$595 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 22 Rita AveSouth Yarmouth, MA 02664-1976Phone: (347) 249-7888
Registry dates
- Enumerated
- 2015-05-01
- Last updated
- 2025-05-08
- Certified
- 2025-05-08
Frequently asked questions
- What is Gloria Barnett-Duncan's NPI number?
- Gloria Barnett-Duncan's National Provider Identifier (NPI) is 1346627064, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gloria Barnett-Duncan's specialty?
- Gloria Barnett-Duncan is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gloria Barnett-Duncan located?
- Gloria Barnett-Duncan's practice location on file with NPPES is 259 North St Ste 1a, Hyannis, MA 02601-3834.
- What is Gloria Barnett-Duncan's phone number?
- The practice phone number listed in the NPPES registry for Gloria Barnett-Duncan is (508) 568-9311.
- Does Gloria Barnett-Duncan accept Medicare?
- Gloria Barnett-Duncan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gloria Barnett-Duncan's NPI active?
- Yes — Gloria Barnett-Duncan's NPI (1346627064) is active in the NPPES registry as of the last update on 2025-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.