NPPES file of Aug 9, 2026

Andrew Dawson, D.O.

Neurology Physician · Lake Saint Louis, MO

Andrew Dawson, D.O. is a neurology physician with a practice address in Lake Saint Louis, Missouri, and NPI 1912353533, issued on May 12, 2016. Check the license (Missouri 2021011023, 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
1912353533
Name
Andrew Dawson
Credential
D.O.
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
2021011023 MO
05-47677 KS
Self-reported in NPPES; status is on the state search
Practice location
2300 Hrc Plaza Dr, Lake Saint Louis, MO 63367
Phone
(636) 425-4673
Enumerated
May 12, 2016
Record last updated
Sep 5, 2025
Fax
(636) 898-8198
Medicare enrollment
Enrolled (PECOS I20211008002688); 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 2300 Hrc Plaza Dr

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

  1. Divya Sivakumar, D.O., M.A.Neurology Physician1528419587

Verify Andrew Dawson 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 2021011023
    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.

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48% fewer Medicare Part D claims than the average neurology physician in 2024

715 Medicare Part D claims for 149 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Andrew Dawson715
  2. Specialty average1,370

Most prescribed

  1. Gabapentin103 claims
  2. Baclofen74 claims
  3. Emgality Pen70 claims
  4. Zonisamide40 claims
  5. Pregabalin35 claims
  6. Donepezil Hcl29 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: $12,744.93

68 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Andrew Dawson$12,745
  2. Specialty average$8,318

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

Bills Medicare through 3 group practices

  1. Aging Well Health Care, LLCSaint Louis, MO
  2. Hannibal Regional Healthcare System IncHannibal, MO
  3. Hope Headache And Neurology LLCLake Saint Louis, MO

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

Andrew Dawson among 484 neurology physician records in Missouri

Andrew Dawson, D.O. is one of 484 neurology physician records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 61% of them.

  • NPI issued2016 · 61% of these records are older, 35% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2016 · median 2006 among the 285 with a school on file
  • Record last updated2025 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 neurology physician records list a practice address in Lake Saint Louis

They are 2 of the 129 NPPES records with a practice address in Lake Saint Louis, and 484 neurology physician records in Missouri.

The 8 neurology physician records with the nearest ZIP codes

  1. Gihan Kader, MDLake St Louis, MO 633671548258684
  2. Prityi Rani, MDLake St Louis, MO 633671073891552
  3. Divya Sivakumar, D.O., M.A.Lake Saint Louis, MO 633671528419587
  4. Salim Chahin, MDO Fallon, MO 633681255539789
  5. Osvaldo Laurido Soto, MDO Fallon, MO 633681942615489
  6. Enmanuel Perez, MDO Fallon, MO 633681467947945
  7. Jonathan Williams, MDO Fallon, MO 633681700306867
  8. F. Turpin, D.O.Saint Peters, MO 633761376536029

Common questions

What is Andrew Dawson, D.O.'s NPI number?

Andrew Dawson, D.O.'s National Provider Identifier (NPI) is 1912353533, issued on May 12, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Andrew Dawson, D.O. located?

The NPPES record lists a practice address at 2300 Hrc Plaza Dr, Lake Saint Louis, MO, 63367. Phone: (636) 425-4673. Providers update this record themselves, so call before visiting.

How can I verify Andrew Dawson, D.O.'s license?

NPPES lists Missouri license number 2021011023, 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 Andrew Dawson, D.O. prescribe under Medicare Part D?

In 2024, Andrew Dawson, D.O. had 715 Medicare Part D claims for 149 beneficiaries; the average among neurology physician prescribers was 1,370. 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.