NPPES file of Aug 9, 2026

Hali Duus, RN, OCN, AGPCNP-BC

Adult Health Nurse Practitioner · Stamford, CT

Hali Duus, RN, OCN, AGPCNP-BC is an adult health nurse practitioner with a practice address in Stamford, Connecticut, and NPI 1639868995, issued on May 3, 2023. Check the license (Connecticut 12733, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639868995
Name
Hali Duus
Credential
RN, OCN, AGPCNP-BC
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
12733 CT
2020042582 NY
Self-reported in NPPES; status is on the state search
Practice location
1 Hospital Plz, Stamford, CT 06902
Phone
(203) 276-2695
Enumerated
May 3, 2023
Record last updated
Jun 9, 2026
Fax
(203) 975-7842
Medicare enrollment
Enrolled (PECOS I20240722003938); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1 Hospital Plz

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Seun Adeyemi-Jones, M.D.Internal Medicine Physician1811335821
  2. Mathias Aihiokhai, PA-CPhysician Assistant1003270497
  3. Kiana AkhundzadehStudent in an Organized Health Care Education/Training Program1558115584
  4. Rachael AldermanStudent in an Organized Health Care Education/Training Program1912891318
  5. Kelsey AllenMedical Physician Assistant1326774282
  6. Micah Ambrose, DOEmergency Medicine Physician1962999482

Verify Hali Duus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 12733
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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89% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

139 Medicare Part D claims for 89 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 12 claims were for opioids.

  1. Hali Duus139
  2. Specialty average1,280

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Hematology Oncology PCStamford, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hali Duus among 628 adult health nurse practitioner records in Connecticut

Hali Duus, RN, OCN, AGPCNP-BC is one of 628 adult health nurse practitioner records with a practice address in Connecticut. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 92% of them.

  • NPI issued2023 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2020 · median 2013 among the 332 with a school on file
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in Connecticut

There are 628 adult health nurse practitioner records in Connecticut.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Pamela Blanchett, NP-CStamford, CT 069021629304142
  2. Arlene Butler, NPStamford, CT 069021013421015
  3. Kathryn CreaghStamford, CT 069021588088355
  4. Dorothy Ferraro, N.P.Stamford, CT 069021275617722
  5. Patricia Garst, APRNStamford, CT 069021639482268
  6. Mae Anne Jauk, MA, APRN-BCStamford, CT 069021568684033
  7. Donna Lentini, APRNStamford, CT 069021104844588
  8. Dawn Nair, A.P.R.N.Stamford, CT 069021902826225

Common questions

What is Hali Duus, RN, OCN, AGPCNP-BC's NPI number?

Hali Duus, RN, OCN, AGPCNP-BC's National Provider Identifier (NPI) is 1639868995, issued on May 3, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Hali Duus, RN, OCN, AGPCNP-BC located?

The NPPES record lists a practice address at 1 Hospital Plz, Stamford, CT, 06902. Phone: (203) 276-2695. Providers update this record themselves, so call before visiting.

How can I verify Hali Duus, RN, OCN, AGPCNP-BC's license?

NPPES lists Connecticut license number 12733, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Hali Duus, RN, OCN, AGPCNP-BC prescribe under Medicare Part D?

In 2024, Hali Duus, RN, OCN, AGPCNP-BC had 139 Medicare Part D claims for 89 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.