NPPES file of Aug 9, 2026

David Matthew Neils, M.D.

Neurological Surgery Physician · Saint Charles, MO

David Matthew Neils, M.D. is a neurological surgery physician with a practice address in Saint Charles, Missouri, and NPI 1346440344, issued on Jul 19, 2007. Check the license (Missouri 2013009622, 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
1346440344
Name
David Matthew Neils
Credential
M.D.
Primary taxonomy
Neurological Surgery Physician 207T00000X
License numbers
2013009622 MO
036125726 IL
125053622 IL
Self-reported in NPPES; status is on the state search
Practice location
330 1St Capitol Dr Ste 440, Saint Charles, MO 63301
Phone
(636) 946-3670
Enumerated
Jul 19, 2007
Record last updated
Apr 1, 2024
Medicare enrollment
Enrolled (PECOS I20130923000255); 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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Verify David Matthew Neils 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 2013009622
    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

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36% fewer Medicare Part D claims than the average neurological surgery physician in 2024

110 Medicare Part D claims for 36 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 55 claims were for opioids.

  1. David Neils110
  2. Specialty average172

Most prescribed

  1. Hydrocodone-Acetaminophen38 claims
  2. Diazepam26 claims
  3. Oxycodone-Acetaminophen13 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: $531.79

13 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Neils$532
  2. Specialty average$14,926

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. Ssm Medical Group IncSaint Charles, MO

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

David Matthew Neils among 195 neurological surgery physician records in Missouri

David Matthew Neils, M.D. is one of 195 neurological surgery physician records with a practice address in Missouri. 83% 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 42% of them.

  • NPI issued2007 · 42% of these records are older, 50% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2007 · median 2004 among the 131 with a school on file
  • Record last updated2024 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in Missouri

There are 195 neurological surgery physician records in Missouri.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Stanley Martin, M.D.Saint Charles, MO 633011902913494
  2. Robert Dunn, M.D.Augusta, MO 633321306173653
  3. Brenton Pennicooke, MDSaint Peters, MO 633761093093064
  4. Michael Polinsky, M.D.Saint Peters, MO 633761134183205
  5. Magalie Cadieux, MDSaint Louis, MO 631411669107587
  6. Brendan Fong, M.D.Saint Louis, MO 631411245670504
  7. Jacob Greenberg, MDSaint Louis, MO 631411902287220
  8. Daniel Hafez, MDSaint Louis, MO 631411134534621

Common questions

What is David Matthew Neils, M.D.'s NPI number?

David Matthew Neils, M.D.'s National Provider Identifier (NPI) is 1346440344, issued on Jul 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is David Matthew Neils, M.D. located?

The NPPES record lists a practice address at 330 1St Capitol Dr Ste 440, Saint Charles, MO, 63301. Phone: (636) 946-3670. Providers update this record themselves, so call before visiting.

How can I verify David Matthew Neils, M.D.'s license?

NPPES lists Missouri license number 2013009622, 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 David Matthew Neils, M.D. prescribe under Medicare Part D?

In 2024, David Matthew Neils, M.D. had 110 Medicare Part D claims for 36 beneficiaries; the average among neurological surgery physician prescribers was 172. 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.