1. Home
  2. Directory
  3. South Dakota
  4. Sioux Falls
  5. Pharmacist
  6. NPI Profile

THADDAUS HELLWIG PHARMD
NPI 1366308611
Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Sioux Falls, SD

Active since December 30, 2025
1305 W 18TH ST, SIOUX FALLS, SD 57105(605) 333-4290 Get Directions Write a Review

NPPES record last updated: December 30, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Thaddaus Hellwig Pharmd NPPES

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

THADDAUS HELLWIG PHARMD (NPI 1366308611) is an individual pharmacist clinician (phc)/ clinical pharmacy specialist in Sioux Falls, South Dakota, licensed in South Dakota (R5643) and active in the NPI registry since December 2025.

NPPES Registry Identity

NPI1366308611
Entity TypeIndividualMale
Primary Taxonomy1835P0018X
Provider Legal NameTHADDAUS HELLWIGCredential: PHARMD
Location Address1305 W 18TH STSioux Falls, SD 57105-0401
Mailing Address4301 S Judy AveSioux Falls, SD 57103-7605
Phone(605) 333-4290
Sole ProprietorYes
Enumeration DateDecember 30, 2025
NPPES CertifiedDecember 30, 2025
✔ NPI 1366308611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacist · Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
Taxonomy Code1835P0018X
License✔ Licensed in SD · R5643
Definition
Pharmacist Clinician/Clinical Pharmacy Specialist is a pharmacist with additional training and an expanded scope of practice that may include prescriptive authority, therapeutic management, and disease management.
1305 W 18TH ST, Sioux Falls, SD 57105
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

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

JEDD D BIALAS CRNA
Nurse Anesthetist, Certified Registered
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 333-1000
AARON DANIEL MORTENSEN CRNA
Nurse Anesthetist, Certified Registered
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 333-1000
DR. JULIANA JOHNSON FERRI GUERRA MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 328-8700
PAUL E GILMORE CRNA
Nurse Anesthetist, Certified Registered
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 333-1000
BETH ABRAHAMSON
Nurse Practitioner (Neonatal)
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 328-3006
RYAN LAWRENCE TENNANT CNP
Nurse Practitioner
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 333-1000
GAY J HEITMANN CRNA
Nurse Anesthetist, Certified Registered
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 333-1000
LCM PATHOLOGISTS PC
Pathology (Anatomic Pathology & Clinical Pathology)
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (800) 284-9806

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 Thaddaus Hellwig's NPI number?

The NPI number for Thaddaus Hellwig is 1366308611. It was assigned to this individual provider in the NPPES registry on December 30, 2025.

Where is Thaddaus Hellwig located?

Thaddaus Hellwig practices at 1305 W 18th St, Sioux Falls, SD 57105. The listed phone number is (605) 333-4290.

What is Thaddaus Hellwig's specialty?

The primary specialty registered for this NPI is Pharmacist, specializing in Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist, with taxonomy code 1835P0018X.

When was this NPI record last updated?

The NPPES record for Thaddaus Hellwig was last updated on December 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.