Gregory S. St. John, DDS
General Practice Dentistry · Wildwood, MO
Gregory S. St. John, DDS is a general practice dentistry with a practice address in Wildwood, Missouri, and NPI 1972636413, issued on Mar 13, 2007. Check the license (Missouri 014718, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory S. St. John
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 014718 MO
Self-reported in NPPES; status is on the state search - Practice location
- 16429 Village Plaza View Dr, Wildwood, MO 63011
- Phone
- (636) 458-9300
- Enumerated
- Mar 13, 2007
- Record last updated
- Jul 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,982 in Missouri → Look up another NPI →
Verify Gregory S. St. John in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 014718Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average general practice dentistry in 2024
45 Medicare Part D claims for 24 beneficiaries, 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.
Most prescribed
- Amoxicillin14 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: $222.87
4 payments; by number, the most common kind was education; the largest payer was Colgate Oral Pharmaceuticals, Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregory S. St. John among 1,982 general practice dentistry records in Missouri
Gregory S. St. John, DDS 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 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 42% 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 updated2021 · 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).
3 general practice dentistry records list a practice address in Wildwood
They are 3 of the 174 NPPES records with a practice address in Wildwood, and 1,982 general practice dentistry records in Missouri.
All 1,982 in Missouri → Every provider in Wildwood → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Daniel Bergman, DDSBallwin, MO 630111538177654
- Shu Cheuk, DDSWinchester, MO 630111508948654
- Ronald Gross, DDSBallwin, MO 630111467456491
- Crystal Martin, D.D.S.Ellisville, MO 630111396758793
- Stephen Moelling, DDSBallwin, MO 630111902816614
- Robert Schrameyer, DDSBallwin, MO 630111437246477
- Kimberly Simonds, DDSBallwin, MO 630111346337383
- Harry Stadnyk, D.D.S.Ballwin, MO 630111104834936
Common questions
What is Gregory S. St. John, DDS's NPI number?
Gregory S. St. John, DDS's National Provider Identifier (NPI) is 1972636413, issued on Mar 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory S. St. John, DDS located?
The NPPES record lists a practice address at 16429 Village Plaza View Dr, Wildwood, MO, 63011. Phone: (636) 458-9300. Providers update this record themselves, so call before visiting.
How can I verify Gregory S. St. John, DDS's license?
NPPES lists Missouri license number 014718, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory S. St. John, DDS prescribe under Medicare Part D?
In 2024, Gregory S. St. John, DDS had 45 Medicare Part D claims for 24 beneficiaries; 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.