Agnes Diane Leon - Barriera, MD
Geriatric Medicine (Internal Medicine) Physician · Madison, TN
Agnes Diane Leon - Barriera, MD is a geriatric medicine (internal medicine) physician with a practice address in Madison, Tennessee, and NPI 1922564079, issued on Feb 13, 2019. Check the license (Tennessee 73522, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Agnes Diane Leon - Barriera
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 73522 TN
Self-reported in NPPES; status is on the state search - Practice location
- 2009 Gallatin Pike N, Madison, TN 37115
- Phone
- (615) 247-4036
- Enumerated
- Feb 13, 2019
- Record last updated
- Feb 18, 2026
- Medicare enrollment
- Enrolled (PECOS I20250603003004); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 54 in Tennessee → Look up another NPI →
Also registered at 2009 Gallatin Pike N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ianna Gray, APRNNurse Practitioner1437740818
- Cameren Hackley, ARNPFamily Nurse Practitioner1285185835
- Allie Henderson-Fitts, MDInternal Medicine Physician1538104526
- Laura LingFamily Medicine Physician1598225492
- Jessica Ormsmith, MDFamily Medicine Physician1124079116
Verify Agnes Diane Leon - Barriera in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 73522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
137 Medicare Part D claims for 35 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium12 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
- Centerwell Senior Primary Care TN PCHermitage, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Agnes Diane Leon - Barriera among 54 geriatric medicine (internal medicine) physician records in Tennessee
Agnes Diane Leon - Barriera, MD is one of 54 geriatric medicine (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 2019, is newer than 91% of them.
- NPI issued2019 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2020 · median 2006 among the 30 with a school on file
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Tennessee
There are 54 geriatric medicine (internal medicine) physician records in Tennessee.
All 54 in Tennessee → Every provider in Madison → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Olubukola Elegbede, MDMurfreesboro, TN 371291417535451
- Geetha GovindaswamyMurfreesboro, TN 371291609897701
- Joyline James, M.D.Murfreesboro, TN 371291013012186
- Arundati Ramesh, M.D.Murfreesboro, TN 371291154392918
- Marvin Stubbs, M.D.Murfreesboro, TN 371291598873119
- Lada Sloan, M.D,Nashville, TN 372031336377837
- Grafton Thurman, MDNashville, TN 372071013955707
- Stephanie Mc Clure, MDNashville, TN 372081215968839
Common questions
What is Agnes Diane Leon - Barriera, MD's NPI number?
Agnes Diane Leon - Barriera, MD's National Provider Identifier (NPI) is 1922564079, issued on Feb 13, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Agnes Diane Leon - Barriera, MD located?
The NPPES record lists a practice address at 2009 Gallatin Pike N, Madison, TN, 37115. Phone: (615) 247-4036. Providers update this record themselves, so call before visiting.
How can I verify Agnes Diane Leon - Barriera, MD's license?
NPPES lists Tennessee license number 73522, 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 Agnes Diane Leon - Barriera, MD prescribe under Medicare Part D?
In 2024, Agnes Diane Leon - Barriera, MD had 137 Medicare Part D claims for 35 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.