Doctor profile · Federal record

Dr. Jan Onik, DO

Family Medicine Physician (CMS: Family Practice) · Louisiana, MO

  • NPI 1982604930
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
211 S 3Rd St
Louisiana, MO 633532000
(573) 754-5555
fax (573) 754-4077

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
January 29, 2010
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Missouri #R5C36
Medicaid (2)
MO #241712710 · MO #241712728

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982604930. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$205
Transactions
12
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 3 $50.15
Otsuka America Pharmaceutical, INC. 2 $45.82
Novo Nordisk INC 3 $44.54
Abbott Laboratories 1 $17.55
Amgen INC. 1 $16.76
Exact Sciences Corporation 1 $15.74
Abbvie INC. 1 $14.82

By nature of payment

Food and Beverage
$205

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,936
Patients
783
Total drug cost
$53,354
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 492 72 $13,996
Alprazolam Generic 440 63 $4,065
Gabapentin Generic 354 68 $6,536
Lisinopril Generic 347 83 $3,100
Atorvastatin Calcium Generic 278 74 $3,472
Furosemide Generic 232 50 $1,503
Atenolol Generic 229 38 $2,092
Metformin Hcl Generic 207 46 $1,491
Omeprazole Generic 207 40 $2,362
Amlodipine Besylate Generic 204 42 $1,503

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jan Onik's medical specialty?
Dr. Jan Onik practices Family Medicine Physician in Louisiana, MO.
Where does Dr. Jan Onik practice?
Dr. Jan Onik practices at 211 S 3Rd St, Louisiana, MO 633532000. Office phone: 5737545555.
What is Dr. Jan Onik's NPI?
Dr. Jan Onik's National Provider Identifier (NPI) is 1982604930, issued by NPPES.
Does Dr. Jan Onik accept Medicare assignment?
Yes. Dr. Jan Onik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.