John Witherington, MD
Internal Medicine Physician · Memphis, TN
John Witherington, MD is an internal medicine physician with a practice address in Memphis, Tennessee, and NPI 1720008709, issued on Jul 20, 2006. Check the license (Tennessee MD141835, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Witherington
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD141835 TN
MD0000014835 TN
Self-reported in NPPES; status is on the state search - Practice location
- 6570 Heronswood Dr, Memphis, TN 38119
- Phone
- (901) 842-1473
- Enumerated
- Jul 20, 2006
- Record last updated
- Jul 23, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (901) 844-1439
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Verify John Witherington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD141835Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
18 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
John Witherington among 2,596 internal medicine physician records in Tennessee
John Witherington, MD is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 46% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2013 · 56% 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 Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
325 internal medicine physician records list a practice address in Memphis
They are 325 of the 12,794 NPPES records with a practice address in Memphis, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Memphis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Eric Blakney, MDMemphis, TN 381191912909508
- Charles Carter, M.D.Memphis, TN 381191558362707
- Charlotte Deflumere, M.D.Memphis, TN 381191457354599
- Nasir Haque, MDMemphis, TN 381191346225620
- Douglas Karmel, M.D.Memphis, TN 381191619970407
- Paul Katz, MDMemphis, TN 381191497753131
- Taslim Khattak, M.D.Memphis, TN 381191679540298
- Diane Lum, M.D.Memphis, TN 381191821077975
Common questions
What is John Witherington, MD's NPI number?
John Witherington, MD's National Provider Identifier (NPI) is 1720008709, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Witherington, MD located?
The NPPES record lists a practice address at 6570 Heronswood Dr, Memphis, TN, 38119. Phone: (901) 842-1473. Providers update this record themselves, so call before visiting.
How can I verify John Witherington, MD's license?
NPPES lists Tennessee license number MD141835, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Witherington, MD prescribe under Medicare Part D?
In 2024, John Witherington, MD had 18 Medicare Part D claims; 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.