Gregory William Sack
Pharmacist · Saint Louis, MO
Gregory William Sack is a pharmacist with a practice address in Saint Louis, Missouri, and NPI 1154512903, issued on Aug 7, 2007. Check the license with the Missouri board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gregory William Sack
- Primary taxonomy
- Pharmacist 183500000X
- License numbers
- 11834 AZ
5302022110 MI
03315816 OH
Self-reported in NPPES; status is on the state search - Practice location
- 12647 Olive Blvd Ste 200, Saint Louis, MO 63141
- Phone
- (800) 325-3982
- Enumerated
- Aug 7, 2007
- Record last updated
- Aug 7, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 12647 Olive Blvd Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shannon Settles, MSWClinical Social Worker1215458575
- Megan Vega, PLPCSocial Worker1740717792
Verify Gregory William Sack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
996 pharmacist records list a practice address in Saint Louis
They are 996 of the 27,605 NPPES records with a practice address in Saint Louis, and 5,343 pharmacist records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 996 in Saint Louis → All 5,343 in Missouri → Every provider in Saint Louis →
Other pharmacist records in Missouri
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- Alec AbelColumbia, MO1891461554
- Katy Abelbeck, PHARMDKansas City, MO1578846747
- Cynthia Abernathy, RPHO Fallon, MO1497195234
Common questions
What is Gregory William Sack's NPI number?
Gregory William Sack's National Provider Identifier (NPI) is 1154512903, issued on Aug 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory William Sack located?
The NPPES record lists a practice address at 12647 Olive Blvd Ste 200, Saint Louis, MO, 63141. Phone: (800) 325-3982. Providers update this record themselves, so call before visiting.
How can I verify Gregory William Sack's license?
Search the Missouri board that licenses this profession; the NPPES record confirms identity 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. 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.