1. Home
  2. Directory
  3. Missouri
  4. Maryland Heights
  5. Pharmacist
  6. NPI Profile

GEORGE KATSIYIANNIS
NPI 1407798697
Pharmacist in Maryland Heights, MO

Active since April 07, 2026
3171 RIVERPORT TECH CENTER DR, MARYLAND HEIGHTS, MO 63043(314) 627-6135 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About George Katsiyiannis NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GEORGE KATSIYIANNIS (NPI 1407798697) is an individual pharmacist in Maryland Heights, Missouri, licensed in Missouri (043563) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1407798697
Entity TypeIndividualMale
Primary Taxonomy183500000X
Provider Legal NameGEORGE KATSIYIANNIS
Location Address3171 RIVERPORT TECH CENTER DRMaryland Heights, MO 63043-4825
Mailing Address4525 Laclede Ave Apt 14Saint Louis, MO 63108-2116
Phone(314) 627-6135
Sole ProprietorNo
Enumeration DateApril 7, 2026
NPPES CertifiedApril 7, 2026
✔ NPI 1407798697 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacistPharmacy Service Providers
Taxonomy Code183500000X
License✔ Licensed in MO · 043563
Definition
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.
3171 RIVERPORT TECH CENTER DR, Maryland Heights, MO 63043
Open in Google Maps ↗

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SERGIO BARRANCO MEDINA
Pharmacist
3171 RIVERPORT TECH CENTER DR
MARYLAND HEIGHTS, MO 63043
St. Louis County (314) 627-6121
RX OUTREACH
Pharmacy (Mail Order Pharmacy)
3171 RIVERPORT TECH CENTER DR
MARYLAND HEIGHTS, MO 63043
St. Louis County (800) 769-3880
JOHN JERROLDS PHARMD
Pharmacist
3171 RIVERPORT TECH CENTER DR
MARYLAND HEIGHTS, MO 63043
St. Louis County (731) 607-2743
BRIAN ROBERT NEWTON RPH
Pharmacist
3171 RIVERPORT TECH CENTER DR
MARYLAND HEIGHTS, MO 63043
St. Louis County (888) 408-1079

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is George Katsiyiannis's NPI number?

The NPI number for George Katsiyiannis is 1407798697. It was assigned to this individual provider in the NPPES registry on April 7, 2026.

Where is George Katsiyiannis located?

George Katsiyiannis practices at 3171 Riverport Tech Center Dr, Maryland Heights, MO 63043. The listed phone number is (314) 627-6135.

What is George Katsiyiannis's specialty?

The primary specialty registered for this NPI is Pharmacist with taxonomy code 183500000X.

When was this NPI record last updated?

The NPPES record for George Katsiyiannis was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.