Mark Xavier McCarthy, DMD
General Practice Dentistry · Saint Louis, MO
Mark Xavier McCarthy, DMD is a general practice dentistry with a practice address in Saint Louis, Missouri, and NPI 1811222060, issued on Oct 6, 2009. Check the license (Missouri 13743, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Xavier McCarthy
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 13743 MO
Self-reported in NPPES; status is on the state search - Practice location
- 439 S Kirkwood RD, Saint Louis, MO 63122
- Phone
- (314) 822-3288
- Enumerated
- Oct 6, 2009
- Record last updated
- Oct 6, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (314) 822-7279
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,982 in Missouri → Look up another NPI →
Also registered at 439 S Kirkwood RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Xavier McCarthy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 13743Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average general practice dentistry in 2024
14 Medicare Part D claims, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Mark Xavier McCarthy among 1,982 general practice dentistry records in Missouri
Mark Xavier McCarthy, DMD is one of 1,982 general practice dentistry records with a practice address in Missouri. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 62% of them.
- NPI issued2009 · 62% of these records are older, 37% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2009 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Dentistry providers in Missouri
There are 1,982 general practice dentistry records in Missouri.
All 1,982 in Missouri → Every provider in Saint Louis → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Terrence Bond, D.D.S.Kirkwood, MO 631221962561415
- Barry Brace, DMDKirkwood, MO 631221073521225
- Eric Dankoski, DMDKirkwood, MO 631221689769697
- Dathu Doan, DDSKirkwood, MO 631221972683613
- Dennis Done, DMDSt Louis, MO 631221720169907
- Glenn Edwards, DMDSaint Louis, MO 631221366430720
- Holly Ellis, DDSSaint Louis, MO 631221013027937
- Robert Emery, D.D.S.Saint Louis, MO 631221194887190
Common questions
What is Mark Xavier McCarthy, DMD's NPI number?
Mark Xavier McCarthy, DMD's National Provider Identifier (NPI) is 1811222060, issued on Oct 6, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mark Xavier McCarthy, DMD located?
The NPPES record lists a practice address at 439 S Kirkwood RD, Saint Louis, MO, 63122. Phone: (314) 822-3288. Providers update this record themselves, so call before visiting.
How can I verify Mark Xavier McCarthy, DMD's license?
NPPES lists Missouri license number 13743, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Xavier McCarthy, DMD prescribe under Medicare Part D?
In 2024, Mark Xavier McCarthy, DMD had 14 Medicare Part D claims; the average among general practice dentistry prescribers was 83. 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.