NPPES file of Aug 9, 2026

Troy McCollum Duncan, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Greensboro, NC

Troy McCollum Duncan, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Greensboro, North Carolina, and NPI 1568989465, issued on Aug 23, 2017. Check the license (North Carolina 255299, as entered in NPPES) with the North Carolina 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
1568989465
Name
Troy McCollum Duncan
Credential
PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
255299 NC
Self-reported in NPPES; status is on the state search
Practice location
201 N Eugene St, Greensboro, NC 27401
Phone
(336) 676-6840
Enumerated
Aug 23, 2017
Record last updated
Aug 23, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20220502001789); accepts Medicare assignment
Medical or professional school
University Of North Carolina At Chapel Hill School Of Medicine, 2017
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.
Download card Updates feed

8 nearest psychiatric/mental health nurse practitioner records → All 1,491 in North Carolina → Look up another NPI →

Also registered at 201 N Eugene St

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

  1. Danielle Adegoroye, M.D.Psychiatry Physician1750697389
  2. John Bartlett, MDPsychiatry Physician1720146293
  3. Meghan Blankmann, NPPsychiatric/Mental Health Nurse Practitioner1205173911
  4. Timothy BradshawClinical Social Worker1417271867
  5. Mary Carmon, PHYSICIAN ASSISTANTPhysician Assistant1710475066
  6. Lori CastelloCounselor1396092706

Verify Troy McCollum Duncan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich North Carolina board licenses this profession
    Search for license 255299    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 North Carolina 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

93% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

1,747 Medicare Part D claims for 97 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Troy Duncan1,747
  2. Specialty average906

Most prescribed

  1. Olanzapine132 claims
  2. Divalproex Sodium125 claims
  3. Benztropine Mesylate107 claims
  4. Buspirone Hcl102 claims
  5. Risperidone94 claims
  6. Trazodone Hcl80 claims

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.

Industry payments in 2024: $187.74

10 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck LLC. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Troy Duncan$187.74
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Piedmont Regional Community Services BoardMartinsville, VA

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

Troy McCollum Duncan among 1,491 psychiatric/mental health nurse practitioner records in North Carolina

Troy McCollum Duncan, PMHNP-BC is one of 1,491 psychiatric/mental health nurse practitioner records with a practice address in North Carolina. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 31% of them.

  • NPI issued2017 · 31% of these records are older, 66% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2017 · median 2021 among the 834 with a school on file
  • Record last updated2017 · 18% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in North Carolina

There are 1,491 psychiatric/mental health nurse practitioner records in North Carolina.

All 1,491 in North Carolina → Every provider in Greensboro → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Lauren Blankenship, DNP, PMHNP-BCGreensboro, NC 274011740908649
  2. Meghan Blankmann, NPGreensboro, NC 274011205173911
  3. Jessica Carter, NPGreensboro, NC 274011114937224
  4. Linda Greninger, NURSE PRACTITIONERGreensboro, NC 274011154488203
  5. Matthew Guanzon, PMHNP-BCGreensboro, NC 274011760074447
  6. Tara Harris, FNPGreensboro, NC 274011851575930
  7. Kelli Lopez, MSN, PMHNP-BCGreensboro, NC 274011427658236
  8. Miltone NyambuGreensboro, NC 274011427971001

Common questions

What is Troy McCollum Duncan, PMHNP-BC's NPI number?

Troy McCollum Duncan, PMHNP-BC's National Provider Identifier (NPI) is 1568989465, issued on Aug 23, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Troy McCollum Duncan, PMHNP-BC located?

The NPPES record lists a practice address at 201 N Eugene St, Greensboro, NC, 27401. Phone: (336) 676-6840. Providers update this record themselves, so call before visiting.

How can I verify Troy McCollum Duncan, PMHNP-BC's license?

NPPES lists North Carolina license number 255299, as entered by the provider. Search the North Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Troy McCollum Duncan, PMHNP-BC prescribe under Medicare Part D?

In 2024, Troy McCollum Duncan, PMHNP-BC had 1,747 Medicare Part D claims for 97 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.