William Jake Lancaster, M.D.
Internal Medicine Physician · Memphis, TN
William Jake Lancaster, M.D. is an internal medicine physician with a practice address in Memphis, Tennessee, and NPI 1205279437, issued on Apr 6, 2013. Check the license (Tennessee 54260, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Jake Lancaster
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 54260 TN
Self-reported in NPPES; status is on the state search - Practice location
- 6019 Walnut Grove RD, Memphis, TN 38120
- Phone
- (901) 226-3610
- Enumerated
- Apr 6, 2013
- Record last updated
- Sep 6, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161018002367); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 6019 Walnut Grove RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Jake Lancaster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 54260Check 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
21 Medicare Part D claims for 15 beneficiaries, 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.
Industry payments in 2024: $102.85
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Southeastern Physician Services PCMemphis, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Jake Lancaster among 2,596 internal medicine physician records in Tennessee
William Jake Lancaster, M.D. 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 2013, is newer than 74% of them.
- NPI issued2013 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2003 among the 1,705 with a school on file
- Record last updated2019 · 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
- Olugbenga Adebanjo, M.DMemphis, TN 381201144274200
- Joseph Allen, MDMemphis, TN 381201508887365
- Amin Bandealy, M.D.Memphis, TN 381201174555247
- Cary Finn, M.D.Memphis, TN 381201033192992
- John Fowler, M.D.Memphis, TN 381201982658506
- Alka Kamo, M.D.Memphis, TN 381201295738128
- Ashutosh Mishra, MDMemphis, TN 381201942262829
- Kamal Mohan, MDMemphis, TN 381201073514022
Common questions
What is William Jake Lancaster, M.D.'s NPI number?
William Jake Lancaster, M.D.'s National Provider Identifier (NPI) is 1205279437, issued on Apr 6, 2013. An NPI identifies a provider in billing; it is not a license.
Where is William Jake Lancaster, M.D. located?
The NPPES record lists a practice address at 6019 Walnut Grove RD, Memphis, TN, 38120. Phone: (901) 226-3610. Providers update this record themselves, so call before visiting.
How can I verify William Jake Lancaster, M.D.'s license?
NPPES lists Tennessee license number 54260, 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 William Jake Lancaster, M.D. prescribe under Medicare Part D?
In 2024, William Jake Lancaster, M.D. had 21 Medicare Part D claims for 15 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.