NPPES file of Aug 9, 2026

Daniel Paul Windsor, M.D.

Addiction Medicine (Internal Medicine) Physician · Fenton, MO

Daniel Paul Windsor, M.D. is an addiction medicine (internal medicine) physician with a practice address in Fenton, Missouri, and NPI 1669540928, issued on Dec 2, 2006. Check the license (Missouri R5270, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1669540928
Name
Daniel Paul Windsor
Credential
M.D.
Primary taxonomy
Addiction Medicine (Internal Medicine) Physician 207RA0401X
License number
R5270 MO
Self-reported in NPPES; status is on the state search
Practice location
910 Brookwood Ctr, Fenton, MO 63026
Phone
(636) 349-2900
Enumerated
Dec 2, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(314) 514-0633
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

5 nearest addiction medicine (internal medicine) physician records → All 6 in Missouri → Look up another NPI →

Also registered at 910 Brookwood Ctr

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

  1. Andrew Burns, D.C., P.C.Chiropractor1902963846

Verify Daniel Paul Windsor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license R5270    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 Missouri 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.

68% fewer Medicare Part D claims than the average addiction medicine (internal medicine) physician in 2024

266 Medicare Part D claims for 18 beneficiaries, against an average of 829 among the 401 providers of this specialty who prescribed in Part D.

  1. Daniel Windsor266
  2. Specialty average829

Most prescribed

  1. Buprenorphine Hcl96 claims
  2. Buprenorphine-Naloxone58 claims
  3. Pregabalin22 claims
  4. Gabapentin16 claims
  5. Citalopram Hbr12 claims
  6. Mirtazapine11 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.

Addiction Medicine (Internal Medicine) Physician providers in Missouri

There are 6 addiction medicine (internal medicine) physician records in Missouri.

All 6 in Missouri → Every provider in Fenton → Addiction Medicine (Internal Medicine) Physician nationwide →

The 5 addiction medicine (internal medicine) physician records with the nearest ZIP codes

  1. Beenish Zaidi, MDDittmer, MO 630231831416999
  2. Jacob Scheer, M.D.Saint Louis, MO 631041538540240
  3. Joseph Young, MDSaint Louis, MO 631041235888116
  4. Amanda Hilmer, MDSaint Louis, MO 631411306941828
  5. Mark Carlson, M.D.Springfield, MO 658021528192150

Common questions

What is Daniel Paul Windsor, M.D.'s NPI number?

Daniel Paul Windsor, M.D.'s National Provider Identifier (NPI) is 1669540928, issued on Dec 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Paul Windsor, M.D. located?

The NPPES record lists a practice address at 910 Brookwood Ctr, Fenton, MO, 63026. Phone: (636) 349-2900. Providers update this record themselves, so call before visiting.

How can I verify Daniel Paul Windsor, M.D.'s license?

NPPES lists Missouri license number R5270, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Daniel Paul Windsor, M.D. prescribe under Medicare Part D?

In 2024, Daniel Paul Windsor, M.D. had 266 Medicare Part D claims for 18 beneficiaries; the average among addiction medicine (internal medicine) physician prescribers was 829. 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.