Doctor profile · Federal record

Dr. James Fillaus, CNP

Family Nurse Practitioner · Yankton, SD

  • NPI 1386157709
  • 9 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3515 Broadway Ave
Yankton, SD 570784917
(605) 668-3100

Credentials & registration

NPPES · NUCC
NPI registered
November 2017 — 9 yrs on file
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
South Dakota #CP001304

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386157709. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$213
Transactions
9
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Alkermes, Inc. 5 $112.31
Janssen Pharmaceuticals, Inc 4 $100.30

By nature of payment

Food and Beverage
$213

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
263
Patients
0
Total drug cost
$2,964
Drug Type Claims Patients Total cost
Clozapine Generic 178 0 $2,568
Olanzapine Generic 47 0 $178
Aripiprazole Generic 14 0 $43
Hydroxyzine Pamoate Generic 13 0 $107
Risperidone Generic 11 0 $69

Frequently asked questions

Auto-generated from federal data
What is Dr. James Fillaus's medical specialty?
Dr. James Fillaus practices Family Nurse Practitioner in Yankton, SD.
Where does Dr. James Fillaus practice?
Dr. James Fillaus practices at 3515 Broadway Ave, Yankton, SD 570784917. Office phone: 6056683100.
What is Dr. James Fillaus's NPI?
Dr. James Fillaus's National Provider Identifier (NPI) is 1386157709, issued by NPPES.