John C. Farmer, M.D.
Internal Medicine Physician · Canton, MS
John C. Farmer, M.D. is an internal medicine physician with a practice address in Canton, Mississippi, and NPI 1891727640, issued on Jul 6, 2006. Check the license (Mississippi 16951, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- John C. Farmer
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 16951 MS
Self-reported in NPPES; status is on the state search - Practice location
- 1668 W Peace St, Canton, MS 39046
- Phone
- (601) 859-5213
- Enumerated
- Jul 6, 2006
- Record last updated
- Dec 10, 2025
- Fax
- (601) 859-5213
- Medicaid ID
- 05375702 MS
- Medicare enrollment
- Enrolled (PECOS I20080429000708); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1974
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 972 in Mississippi → Look up another NPI →
Also registered at 1668 W Peace St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shabina Afridi, MDInternal Medicine Physician1487890497
- Wendy Almon, DMDDentist1396992244
- Janice Bacon, MDPediatrics Physician1750438446
- Logan BarlowFamily Nurse Practitioner1639693823
- Willye Bell, CNMWNurse Practitioner1861549933
- Latonya Bess-Goodlett, RNRegistered Nurse1437083888
Verify John C. Farmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 16951Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
6,892 Medicare Part D claims for 421 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium618 claims
- Amlodipine Besylate555 claims
- Metformin Hcl299 claims
- Gabapentin169 claims
- Omeprazole160 claims
- Lisinopril-Hydrochlorothiazide159 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.
Bills Medicare through one group practice
- G A Carmichael Family Health Center, Inc.Yazoo City, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John C. Farmer among 972 internal medicine physician records in Mississippi
John C. Farmer, M.D. is one of 972 internal medicine physician records with a practice address in Mississippi. 82% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 63% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1974 · median 2008 among the 585 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 internal medicine physician records list a practice address in Canton
They are 9 of the 234 NPPES records with a practice address in Canton, and 972 internal medicine physician records in Mississippi.
All 972 in Mississippi → Every provider in Canton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shabina Afridi, MDCanton, MS 390461487890497
- Parvesh Goel, M.D.Canton, MS 390461548219082
- Ruby Moy, M.D.Canton, MS 390461003037854
- Taylor Pruett, M.D.Canton, MS 390461720246887
- Horace Russell, MDCanton, MS 390461013357458
- Louis Saddler, MDCanton, MS 390461497765705
- Robert Tatum, MDCanton, MS 390461285791319
- L C Tennin, MDCanton, MS 390461275543597
Common questions
What is John C. Farmer, M.D.'s NPI number?
John C. Farmer, M.D.'s National Provider Identifier (NPI) is 1891727640, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Farmer, M.D. located?
The NPPES record lists a practice address at 1668 W Peace St, Canton, MS, 39046. Phone: (601) 859-5213. Providers update this record themselves, so call before visiting.
How can I verify John C. Farmer, M.D.'s license?
NPPES lists Mississippi license number 16951, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John C. Farmer, M.D. prescribe under Medicare Part D?
In 2024, John C. Farmer, M.D. had 6,892 Medicare Part D claims for 421 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.