James David Ralston
Internal Medicine Physician · Memphis, TN
James David Ralston is an internal medicine physician with a practice address in Memphis, Tennessee, and NPI 1881274892, issued on Apr 13, 2021. Check the license (Tennessee 71149, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James David Ralston
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 71149 TN
Self-reported in NPPES; status is on the state search - Practice location
- 920 Madison Ave Ste 447, Memphis, TN 38103
- Phone
- (901) 448-5814
- Enumerated
- Apr 13, 2021
- Record last updated
- Jul 12, 2024
- Medicare enrollment
- Enrolled (PECOS I20241009000483); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 920 Madison Ave Ste 447
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James David Ralston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 71149Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
451 Medicare Part D claims for 80 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium56 claims
- Amlodipine Besylate28 claims
- Lisinopril23 claims
- Gabapentin20 claims
- Carvedilol12 claims
- Losartan Potassium12 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
- Erlanger HealthChattanooga, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James David Ralston among 2,596 internal medicine physician records in Tennessee
James David Ralston 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 2021, is newer than 93% of them.
- NPI issued2021 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2021 · median 2003 among the 1,705 with a school on file
- Record last updated2024 · 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
- Anna Allen, M.D.Memphis, TN 381031497288138
- Karen Andrews, M.D.Memphis, TN 381031407023864
- Hettie Gibbs, M.D.Memphis, TN 381031023068277
- Irum Haq, MDMemphis, TN 381031497066799
- Jeffrey Lowder, M.D.Memphis, TN 381031508127630
- Jack McCue, M.D.Memphis, TN 381031003885989
- Robert Morrison, MDMemphis, TN 381031154388031
- Gary Nace, MDMemphis, TN 381031538137914
Common questions
What is James David Ralston's NPI number?
James David Ralston's National Provider Identifier (NPI) is 1881274892, issued on Apr 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is James David Ralston located?
The NPPES record lists a practice address at 920 Madison Ave Ste 447, Memphis, TN, 38103. Phone: (901) 448-5814. Providers update this record themselves, so call before visiting.
How can I verify James David Ralston's license?
NPPES lists Tennessee license number 71149, 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 James David Ralston prescribe under Medicare Part D?
In 2024, James David Ralston had 451 Medicare Part D claims for 80 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.