Gregory Alles, R.PH.
Pharmacist · O Fallon, MO
Gregory Alles, R.PH. is a pharmacist with a practice address in O Fallon, Missouri, and NPI 1376759803, issued on May 14, 2007. Check the license (Missouri 2001023383, as entered in NPPES) with the Missouri board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gregory Alles
- Credential
- R.PH.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 2001023383 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3029 Highway K, O Fallon, MO 63368
- Phone
- (636) 240-7749
- Enumerated
- May 14, 2007
- Entity
- Type 1 · individual
Also registered at 3029 Highway K
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jordan Anderson, RPHPharmacist1407631617
- Caroline Baumgartner, PHARM. D.Pharmacist1528344520
- Beth MonahanPharmacist1255817508
- Bradley Parks, PHARMDPharmacist1013639921
- Dylan Solomon, PHARMDPharmacist1326806639
Verify Gregory Alles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2001023383Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
85 pharmacist records list a O Fallon practice address
They are 85 of the 1,225 NPPES records with a O Fallon practice address, and 5,374 pharmacist records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 85 in O Fallon → All 5,374 in Missouri → Every provider in O Fallon →
Other pharmacist records in Missouri
- Adrian Abadiano, PHARM.D.Belton, MO1568759363
- Debra Abbott, RPHMexico, MO1487960514
- Vickie Abbott, RPHIndependence, MO1649545971
- Stacey Abby, PHARMDWildwood, MO1518815125
- Amany AbdallahSaint Charles, MO1265309330
- Menatalla AbdellatifSaint Louis, MO1912749458
- Anosha Abdul BasirMaryland Heights, MO1609572080
- Alec AbelColumbia, MO1891461554
- Katy Abelbeck, PHARMDKansas City, MO1578846747
- Cynthia Abernathy, RPHO Fallon, MO1497195234
Common questions
What is Gregory Alles, R.PH.'s NPI number?
Gregory Alles, R.PH.'s National Provider Identifier (NPI) is 1376759803, issued on May 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Alles, R.PH. located?
The NPPES record lists a practice address at 3029 Highway K, O Fallon, MO, 63368. Phone: (636) 240-7749. Providers update this record themselves, so call before visiting.
How can I verify Gregory Alles, R.PH.'s license?
NPPES lists Missouri license number 2001023383, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.