Robert K. Thomen, M.D.
Family Medicine Physician · Chanute, KS
Robert K. Thomen, M.D. is a family medicine physician with a practice address in Chanute, Kansas, and NPI 1578553137, issued on Oct 25, 2005. Check the license (Kansas 04-21632, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Robert K. Thomen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 04-21632 KS
Self-reported in NPPES; status is on the state search - Practice location
- 505 S Plummer Ave, Chanute, KS 66720
- Phone
- (620) 431-2500
- Enumerated
- Oct 25, 2005
- Record last updated
- Jun 11, 2026
- Fax
- (620) 901-1149
- Medicaid ID
- 100205990A KS
- Medicare enrollment
- Enrolled (PECOS I20050415000554); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1984
- Entity
- Type 1 · individual
Also registered at 505 S Plummer Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Arell, APRN-CNurse Practitioner1700256849
- Erika Dick, APRNPrimary Care Nurse Practitioner1245685403
- Monique Dickinson, NPNurse Practitioner1336681386
- Martin Dillow, MDFamily Medicine Physician1073730867
- Lisa GandhiPharmacist1487270260
- David Guernsey, MDFamily Medicine Physician1538388251
Verify Robert K. Thomen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 04-21632Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average family medicine physician in 2024
15,336 Medicare Part D claims for 658 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. 992 claims were for opioids.
Most prescribed
- Atorvastatin Calcium680 claims
- Lisinopril609 claims
- Amlodipine Besylate520 claims
- Levothyroxine Sodium493 claims
- Hydrocodone-Acetaminophen405 claims
- Furosemide386 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: $19.17
1 payment: food and beverage; the largest payer was Pfizer Inc. 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.
One hospital affiliation
- Neosho Memorial Regional Medical CenterChanute, KS · Critical Access Hospitals1 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
13 family medicine physician records list a practice address in Chanute
They are 13 of the 172 NPPES records with a practice address in Chanute, and 1,970 family medicine physician records in Kansas.
All 13 in Chanute → All 1,970 in Kansas → Every provider in Chanute →
Other family medicine physician records in Kansas
- Gregory Abbott, DOWichita, KS1588644165
- Rebekah Abbott, D.O.Overland Park, KS1245571694
- Jill Ackerman, M.D.Merriam, KS1386616621
- Kristin Adams, MDShawnee Mission, KS1023646346
- Delaina Adcox, APRNKansas City, KS1164028239
- Valentine Agbor, DO, PHDKansas City, KS1649064742
- Brenda Aguirre Apodaca, MDWichita, KS1295550481
- Babar Ahmed, MDTopeka, KS1285627323
- Lubna Ahmed, MDSalina, KS1689845216
- Scott Akers, DOWichita, KS1982965851
Common questions
What is Robert K. Thomen, M.D.'s NPI number?
Robert K. Thomen, M.D.'s National Provider Identifier (NPI) is 1578553137, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert K. Thomen, M.D. located?
The NPPES record lists a practice address at 505 S Plummer Ave, Chanute, KS, 66720. Phone: (620) 431-2500. Providers update this record themselves, so call before visiting.
How can I verify Robert K. Thomen, M.D.'s license?
NPPES lists Kansas license number 04-21632, 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 Robert K. Thomen, M.D. prescribe under Medicare Part D?
In 2024, Robert K. Thomen, M.D. had 15,336 Medicare Part D claims for 658 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.