Registry data as of Aug 27, 2026

John Alexander, DO

Cardiovascular Disease Physician · Germantown, TN

John Alexander, DO is a cardiovascular disease physician with a practice address in Germantown, Tennessee, and NPI 1366005324, issued on Apr 16, 2019. Check the license (Tennessee 6213, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1366005324
Name
John Alexander
Credential
DO
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
6213 TN
Self-reported in NPPES; status is on the state search
Practice location
8060 Wolf River Blvd, Germantown, TN 38138
Phone
(901) 271-1000
Enumerated
Apr 16, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 8060 Wolf River Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tania Addess, NPAdult Health Nurse Practitioner1114228087
  2. Milton Addington, MDCardiovascular Disease Physician1790752566
  3. Homayoun Ahmadian, D.O.Cardiovascular Disease Physician1003070129
  4. Nicholas Albonetti, FNPFamily Nurse Practitioner1942678875
  5. Mary Allen, APNAcute Care Nurse Practitioner1568769040
  6. Ray Allen, MDCardiovascular Disease Physician1295702595

Verify John Alexander in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 6213
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

99% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

16 Medicare Part D claims, against an average of 3,149 among the 19,556 providers of this specialty who prescribed in Part D.

  1. John Alexander16
  2. Specialty average3,149

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.

One hospital or facility affiliation

  1. Stern Cardiovascular Center, PACollierville, TN

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

25 cardiovascular disease physician records list a Germantown practice address

They are 25 of the 1,692 NPPES records with a Germantown practice address, and 509 cardiovascular disease physician records in Tennessee.

Other cardiovascular disease physician records in Tennessee

  1. Bassem Abazid, M.D.Lenoir City, TN1689835944
  2. Abdul-Rahman Abdel-Karim, M.D.Memphis, TN1093014441
  3. Javed Abdullah, MDGermantown, TN1184801367
  4. Robert Abraham, MDNashville, TN1285781161
  5. Ahmad Abu-Halimah, M.D.Nashville, TN1013958776
  6. John Acker, M.D.Knoxville, TN1497756241
  7. Kylie Adamek, MDNashville, TN1972966786
  8. Milton Addington, MDGermantown, TN1790752566
  9. Adedayo Adeboye, MDMemphis, TN1699948281
  10. Adeyinka Agbetoyin, MDJackson, TN1922047422

Common questions

What is John Alexander, DO's NPI number?

John Alexander, DO's National Provider Identifier (NPI) is 1366005324, issued on Apr 16, 2019. An NPI identifies a provider in billing; it is not a license.

Where is John Alexander, DO located?

The NPPES record lists a practice address at 8060 Wolf River Blvd, Germantown, TN, 38138. Phone: (901) 271-1000. Providers update this record themselves, so call before visiting.

How can I verify John Alexander, DO's license?

NPPES lists Tennessee license number 6213, 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 Alexander, DO prescribe under Medicare Part D?

In 2024, John Alexander, DO had 16 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,149. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.