Doctor profile · Federal record

Dr. Fredrick Farmer, D.O.

Family Medicine Physician (CMS: General Practice) · St. John, KS

  • NPI 1174612105
  • Accepts Medicare
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
609 E 1St
St. John, KS 67576
(620) 549-3251
fax (855) 332-0469
Additional location
200 S Main
Sylvia, KS 67581
(620) 486-2985
fax (620) 234-5014
Additional location
603 E First Ave
St. John, KS 675792223
fax (620) 549-3853

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 28, 2021
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Kansas #0518773
Medicaid
KS #100229660B

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174612105. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$36
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Edwards Lifesciences Corporation 1 $18.36
Mylan Specialty L.P. 1 $18.03

By nature of payment

Food and Beverage
$36

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,839
Patients
559
Total drug cost
$51,895
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 409 72 $4,916
Atorvastatin Calcium Generic 257 51 $3,530
Furosemide Generic 208 34 $1,400
Tamsulosin Hcl Generic 195 37 $3,805
Gabapentin Generic 188 33 $4,993
Potassium Chloride Generic 178 35 $13,118
Losartan Potassium Generic 172 39 $1,937
Amlodipine Besylate Generic 168 42 $1,420
Rosuvastatin Calcium Generic 168 34 $3,191
Pantoprazole Sodium Generic 164 36 $3,126

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Fredrick Farmer's medical specialty?
Dr. Fredrick Farmer practices Family Medicine Physician in St. John, KS.
Where does Dr. Fredrick Farmer practice?
Dr. Fredrick Farmer practices at 609 E 1St, St. John, KS 67576. Office phone: 6205493251.
What is Dr. Fredrick Farmer's NPI?
Dr. Fredrick Farmer's National Provider Identifier (NPI) is 1174612105, issued by NPPES.
Does Dr. Fredrick Farmer accept Medicare assignment?
Yes. Dr. Fredrick Farmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.