Fredrick J. Farmer, D.O.
Family Medicine Physician · St John, KS
Fredrick J. Farmer, D.O. is a family medicine physician with a practice address in St John, Kansas, and NPI 1174612105, issued on Oct 11, 2006. Check the license (Kansas 0518773, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Fredrick J. Farmer
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0518773 KS
Self-reported in NPPES; status is on the state search - Practice location
- 609 E 1St, St John, KS 67576
- Phone
- (620) 549-3251
- Enumerated
- Oct 11, 2006
- Record last updated
- Dec 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (855) 332-0469
- Medicaid ID
- 100229660B KS
- Medicare enrollment
- Enrolled (PECOS I20040907001024); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,970 in Kansas → Look up another NPI →
Verify Fredrick J. Farmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 0518773Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average family medicine physician in 2024
8,063 Medicare Part D claims for 470 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 373 claims were for opioids.
Most prescribed
- Levothyroxine Sodium393 claims
- Atorvastatin Calcium295 claims
- Potassium Chloride235 claims
- Losartan Potassium232 claims
- Tamsulosin Hcl206 claims
- Lisinopril185 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $36.39
2 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Edwards County Hospital And Healthcare CenterSpearville, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Fredrick J. Farmer among 1,970 family medicine physician records in Kansas
Fredrick J. Farmer, D.O. is one of 1,970 family medicine physician records with a practice address in Kansas. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 51% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1979 · median 2006 among the 1,164 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Kansas
There are 1,970 family medicine physician records in Kansas.
All 1,970 in Kansas → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ashlyn Fisher, DOSt John, KS 675761669161923
- Larry Ball, MDStafford, KS 675781033175724
- Kristina Darnauer, MDSterling, KS 675791265675334
- James Decker, DOSterling, KS 675791295834950
- Allen McLain, D.O.Ransom, KS 675721063452795
- Eric Easey, M.D.Ness City, KS 675601700319076
- Mikhail Imseis, M.DNess City, KS 675601093732943
- Roger Klein, MDLyons, KS 675541689088379
Common questions
What is Fredrick J. Farmer, D.O.'s NPI number?
Fredrick J. Farmer, D.O.'s National Provider Identifier (NPI) is 1174612105, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Fredrick J. Farmer, D.O. located?
The NPPES record lists a practice address at 609 E 1St, St John, KS, 67576. Phone: (620) 549-3251. Providers update this record themselves, so call before visiting.
How can I verify Fredrick J. Farmer, D.O.'s license?
NPPES lists Kansas license number 0518773, as entered by the provider. Search the Kansas State Board of Healing Arts at https://www.ksbha.ks.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Fredrick J. Farmer, D.O. prescribe under Medicare Part D?
In 2024, Fredrick J. Farmer, D.O. had 8,063 Medicare Part D claims for 470 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.