Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Gloria Barnett-Duncan, NP

Sees patients in Hyannis, MA · Massachusetts

Summary

Gloria Barnett-Duncan, NP is a nurse practitioner at 259 A N St, Suite 1 and 2nd Floor, Hyannis, MA 02601. Phone: (508) 862-0514. Accepts Medicare assignment. In 2024, Gloria Barnett-Duncan had 93 Original Medicare patients and 584 services. NPI 1346627064. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 259 A N St, Suite 1 and 2nd Floor, Hyannis, MA 02601 · Directions
  • Phone: (508) 862‑0514
  • Medicare: Accepts Medicare assignment
  • Group practice: Northeast Health Services LLC
  • School: graduated 2016
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Gloria Barnett-Duncan, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Gloria Barnett-Duncan accept Medicare assignment?
Yes. Medicare's clinician data says Gloria Barnett-Duncan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Gloria Barnett-Duncan see?
In 2024, CMS data shows 93 Original Medicare patients and 584 services for Gloria Barnett-Duncan. This counts Original Medicare only and measures volume, not quality.
What is Gloria Barnett-Duncan's NPI number?
1346627064. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Gloria Barnett-Duncan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients93
Services billed to Medicare584
Different services or procedures7
Participating Medicare providerYes
Average age of these patients63

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)361 services
  2. Psychotherapy with evaluation and management visit, 30 minutes (90833)179 services
  3. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)31 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • Anxiety75%
  • Depression68%
  • High blood pressure61%
  • Arthritis39%
  • Diabetes27%

Practice locations

Addresses where Gloria Barnett-Duncan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gloria Barnett-Duncan as a member of this group (CMS data updated October 2, 2026).

  • Northeast Health Services LLC479 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Massachusetts →

Other nurse practitioners in Hyannis

Clinicians with the same Medicare primary specialty in Hyannis, MA — not a recommendation.

All nurse practitioners in Hyannis →

Other clinicians in Northeast Health Services LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1346627064
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians