Gregory Thomas, M.D.
Family Medicine Physician · McPherson, KS
Gregory Thomas, M.D. is a family medicine physician with a practice address in McPherson, Kansas, and NPI 1386608412, issued on Apr 14, 2006. Check the license (Kansas 18181, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Gregory Thomas
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 18181 KS
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Hospital Dr, McPherson, KS 67460
- Phone
- (620) 241-7400
- Enumerated
- Apr 14, 2006
- Record last updated
- Apr 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (620) 798-2613
- Medicare enrollment
- Enrolled (PECOS I20050322001103); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1973
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,970 in Kansas → Look up another NPI →
Also registered at 1000 Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kaylyn Best, FNP-CNurse Practitioner1801777032
- Jody Bieker, MDFamily Medicine Physician1629044433
- Mary Blankenship, RPH, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1861778946
- Michael Bloustine, M.D.Internal Medicine Physician1104053446
- Jeremy Bowers, CPTAPhysical Therapy Assistant1205775210
- Shelley Bradley, APRNFamily Nurse Practitioner1528439601
Verify Gregory Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 18181Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average family medicine physician in 2024
2,128 Medicare Part D claims for 318 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Atorvastatin Calcium187 claims
- Rosuvastatin Calcium119 claims
- Jardiance102 claims
- Olmesartan Medoxomil96 claims
- Ezetimibe74 claims
- Amlodipine Besylate73 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: $45.18
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Bills Medicare through one group practice
- Salina Health Education FoundationSalina, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Thomas among 1,970 family medicine physician records in Kansas
Gregory Thomas, M.D. 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
- Graduated1973 · 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).
18 family medicine physician records list a practice address in McPherson
They are 18 of the 223 NPPES records with a practice address in McPherson, and 1,970 family medicine physician records in Kansas.
All 1,970 in Kansas → Every provider in McPherson → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jody Bieker, MDMcPherson, KS 674601629044433
- Brian Billings, MDMcPherson, KS 674601487647228
- David Buller, M.D.McPherson, KS 674601346205267
- Jon Casimir, MDMcPherson, KS 674601376572818
- Alicia Chennell, MDMcPherson, KS 674601639465982
- Peter Dewitt, M.D.McPherson, KS 674601033138300
- Richard Ferree, M.D.McPherson, KS 674601659334399
- Sheila Gorman, M.D.McPherson, KS 674601467467993
Common questions
What is Gregory Thomas, M.D.'s NPI number?
Gregory Thomas, M.D.'s National Provider Identifier (NPI) is 1386608412, issued on Apr 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Thomas, M.D. located?
The NPPES record lists a practice address at 1000 Hospital Dr, McPherson, KS, 67460. Phone: (620) 241-7400. Providers update this record themselves, so call before visiting.
How can I verify Gregory Thomas, M.D.'s license?
NPPES lists Kansas license number 18181, 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 Gregory Thomas, M.D. prescribe under Medicare Part D?
In 2024, Gregory Thomas, M.D. had 2,128 Medicare Part D claims for 318 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.