NPPES file of Aug 9, 2026

John Randall Ashenbrener, DMD

Dentist · Saint Charles, MO

John Randall Ashenbrener, DMD is a dentist with a practice address in Saint Charles, Missouri, and NPI 1972179539, issued on Jun 3, 2021. Check the license (Missouri 2021019646, as entered in NPPES) with the Missouri board that licenses this profession; 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
1972179539
Name
John Randall Ashenbrener
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
2021019646 MO
Self-reported in NPPES; status is on the state search
Practice location
102 Compass Point Dr, Saint Charles, MO 63301
Phone
(844) 853-8937
Enumerated
Jun 3, 2021
Record last updated
Jun 3, 2021 (not updated in 5 years: call before relying on the address or phone)
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.
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Also registered at 102 Compass Point Dr

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

  1. Lesly Abanto Medina, LCSWClinical Social Worker1366898579
  2. Marina Antonucci, LCSWClinical Social Worker1407431356
  3. Aldrin Aquino, DMDDentist1689236176
  4. Annie Baro, DMDDentist1174185805
  5. Jelena Basara Tomasevic, LCSWClinical Social Worker1124738513
  6. Kristina Behrman, LPCProfessional Counselor1144686304

Verify John Randall Ashenbrener in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2021019646
    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
Find 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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51% fewer Medicare Part D claims than the average dentist in 2024

42 Medicare Part D claims for 20 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. John Ashenbrener42
  2. Specialty average86

Most prescribed

  1. Sodium Fluoride16 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.

John Randall Ashenbrener among 1,647 dentist records in Missouri

John Randall Ashenbrener, DMD is one of 1,647 dentist records with a practice address in Missouri. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 79% of them.

  • NPI issued2021 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2021 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 dentist records list a practice address in Saint Charles

They are 27 of the 1,547 NPPES records with a practice address in Saint Charles, and 1,647 dentist records in Missouri.

The 8 dentist records with the nearest ZIP codes

  1. James Bryant, DDSSaint Charles, MO 633011326141433
  2. Dennis Bulgarelli, DDSSaint Charles, MO 633011467566638
  3. Lori Cochell, DDSSaint Charles, MO 633011790887826
  4. Marvin Cohen, DDSSaint Charles, MO 633011649373754
  5. Bret Deforest, DDSSt Charles, MO 633011154485324
  6. Gerald Ledoux, DDSSt Charles, MO 633011083725451
  7. Michael Leuchtmann, DDSSaint Charles, MO 633011780999623
  8. Susan Litteken, DDSSt Charles, MO 633011366643512

Common questions

What is John Randall Ashenbrener, DMD's NPI number?

John Randall Ashenbrener, DMD's National Provider Identifier (NPI) is 1972179539, issued on Jun 3, 2021. An NPI identifies a provider in billing; it is not a license.

Where is John Randall Ashenbrener, DMD located?

The NPPES record lists a practice address at 102 Compass Point Dr, Saint Charles, MO, 63301. Phone: (844) 853-8937. Providers update this record themselves, so call before visiting.

How can I verify John Randall Ashenbrener, DMD's license?

NPPES lists Missouri license number 2021019646, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does John Randall Ashenbrener, DMD prescribe under Medicare Part D?

In 2024, John Randall Ashenbrener, DMD had 42 Medicare Part D claims for 20 beneficiaries; the average among dentist prescribers was 86. 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.