NPPES file of Aug 9, 2026

Neville Winston Duncan, M.D.

General Practice Physician · Milwaukee, WI

Neville Winston Duncan, M.D. is a general practice physician with a practice address in Milwaukee, Wisconsin, and NPI 1740316181, issued on Feb 27, 2007. Check the license (Wisconsin 37370-020, as entered in NPPES) on the Wisconsin Medical Examining 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
1740316181
Name
Neville Winston Duncan
Credential
M.D.
Primary taxonomy
General Practice Physician 208D00000X
License number
37370-020 WI
Self-reported in NPPES; status is on the state search
Practice location
1134 W North Ave FL 2, Milwaukee, WI 53205
Phone
(414) 269-9660
Enumerated
Feb 27, 2007
Record last updated
Jun 16, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(414) 435-3126
Medicaid ID
100041767 WI
Medicare enrollment
Enrolled (PECOS I20120808000886); 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 1134 W North Ave FL 2

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

  1. Lepage Humpheey, CSAC-ITAddiction (Substance Use Disorder) Counselor1225523277

Verify Neville Winston Duncan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 37370-020
    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 Wisconsin license search

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97% fewer Medicare Part D claims than the average general practice physician in 2024

86 Medicare Part D claims, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Neville Duncan86
  2. Specialty average3,030

Most prescribed

  1. Atorvastatin Calcium13 claims
  2. Furosemide13 claims
  3. Glipizide13 claims
  4. Lisinopril13 claims
  5. Metformin Hcl13 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 one group practice

  1. Horizon Healthcare, IncMilwaukee, WI

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

Neville Winston Duncan among 105 general practice physician records in Wisconsin

Neville Winston Duncan, M.D. is one of 105 general practice physician records with a practice address in Wisconsin. 41% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 36% of them.

  • NPI issued2007 · 36% of these records are older, 47% newer
  • In a Medicare fileYes · 41% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated1973 · median 1992 among the 20 with a school on file
  • Record last updated2018 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Physician providers in Wisconsin

There are 105 general practice physician records in Wisconsin.

The 8 general practice physician records with the nearest ZIP codes

  1. Abdullattief Sulieman, M.D.Milwaukee, WI 532041881864197
  2. Leon Malachinski, D.OMilwaukee, WI 532021265730113
  3. Shakaib Razzaq, MDMilwaukee, WI 532081497712574
  4. Anjum RazzaqMilwaukee, WI 532081750475620
  5. Mashaal Zahid, DOMilwaukee, WI 532091548907199
  6. Perry Coalmon, M.D.Milwaukee, WI 532101992840177
  7. Nicholas Glass, M.D.Milwaukee, WI 532111326367038
  8. Logan FoxMilwaukee, WI 532121710413430

Common questions

What is Neville Winston Duncan, M.D.'s NPI number?

Neville Winston Duncan, M.D.'s National Provider Identifier (NPI) is 1740316181, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Neville Winston Duncan, M.D. located?

The NPPES record lists a practice address at 1134 W North Ave FL 2, Milwaukee, WI, 53205. Phone: (414) 269-9660. Providers update this record themselves, so call before visiting.

How can I verify Neville Winston Duncan, M.D.'s license?

NPPES lists Wisconsin license number 37370-020, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Neville Winston Duncan, M.D. prescribe under Medicare Part D?

In 2024, Neville Winston Duncan, M.D. had 86 Medicare Part D claims; the average among general practice physician prescribers was 3,030. 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.