NPPES file of Aug 9, 2026

Gregory Daniel Brown, M.D.

Psychiatry Physician · Durham, NC

Gregory Daniel Brown, M.D. is a psychiatry physician with a practice address in Durham, North Carolina, and NPI 1881984094, issued on Apr 10, 2011. Check the license (North Carolina 2016-00553, as entered in NPPES) on the North Carolina Medical Board; 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
1881984094
Name
Gregory Daniel Brown
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
2016-00553 NC
Self-reported in NPPES; status is on the state search
Practice location
4220 N Roxboro St, Durham, NC 27704
Phone
(919) 471-8344
Enumerated
Apr 10, 2011
Record last updated
Jul 6, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(919) 477-5435
Medicare enrollment
Enrolled (PECOS I20160715000253); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 2011
Telehealth
Offers telehealth (CMS)
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 4220 N Roxboro St

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

  1. Elizabeth Aderoju, MDInternal Medicine Physician1811912033
  2. Khuram Bhutta, M.DHospitalist Physician1740609049
  3. Tracy Black, M.D.Endocrinology, Diabetes & Metabolism Physician1700853660
  4. Susan Blackford, M.D.Internal Medicine Physician1932258944
  5. Collin Burks, MDFamily Medicine Physician1578051751
  6. Brandon Cashwell, PHARMDStudent in an Organized Health Care Education/Training Program1811790256

Verify Gregory Daniel Brown in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 2016-00553
    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
Open 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.

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3.0 times the Medicare Part D claims of the average psychiatry physician in 2024

3,019 Medicare Part D claims for 275 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. 36 claims were for opioids.

  1. Gregory Brown3,019
  2. Specialty average1,000

Most prescribed

  1. Fluoxetine Hcl130 claims
  2. Trazodone Hcl122 claims
  3. Duloxetine Hcl106 claims
  4. Mirtazapine103 claims
  5. Quetiapine Fumarate101 claims
  6. Clonazepam89 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.

Bills Medicare through 2 group practices

  1. Duke Health Integrated Practice IncDurham, NC
  2. Duke University Health System, IncDurham, NC

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

Gregory Daniel Brown among 1,725 psychiatry physician records in North Carolina

Gregory Daniel Brown, M.D. is one of 1,725 psychiatry physician records with a practice address in North Carolina. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 67% of them.

  • NPI issued2011 · 67% of these records are older, 31% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2011 · median 2006 among the 744 with a school on file
  • Record last updated2016 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

209 psychiatry physician records list a practice address in Durham

They are 209 of the 13,451 NPPES records with a practice address in Durham, and 1,725 psychiatry physician records in North Carolina.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Julie Adams, MDDurham, NC 277041295753440
  2. Krista Barbour, PHDDurham, NC 277041831272079
  3. Mark Heine, MDDurham, NC 277041336111608
  4. Valerie Holmes, MDDurham, NC 277041871602532
  5. Margaret Maytan, MDDurham, NC 277041881616787
  6. Leslie Montana, MD, MPHDurham, NC 277041982794863
  7. Scott Moore, M.D.Durham, NC 277041902988207
  8. Leslye Sinn, M.D.Durham, NC 277041558572008

Common questions

What is Gregory Daniel Brown, M.D.'s NPI number?

Gregory Daniel Brown, M.D.'s National Provider Identifier (NPI) is 1881984094, issued on Apr 10, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Daniel Brown, M.D. located?

The NPPES record lists a practice address at 4220 N Roxboro St, Durham, NC, 27704. Phone: (919) 471-8344. Providers update this record themselves, so call before visiting.

How can I verify Gregory Daniel Brown, M.D.'s license?

NPPES lists North Carolina license number 2016-00553, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory Daniel Brown, M.D. prescribe under Medicare Part D?

In 2024, Gregory Daniel Brown, M.D. had 3,019 Medicare Part D claims for 275 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.