Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Agnes Diane Leon - Barriera, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1922564079

Agnes Diane Leon - Barriera, MD is an Internal Medicine in Madison, Tennessee. Qualified in 2020, 6 years ago. Practices with Centerwell Senior Primary Care Tn PC, a 39-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Tennessee.

Years since qualifying
6
Licensed in
TN
In the registry since
2019
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2009 Gallatin Pike N
Madison, TN 37115-2001
Phone: (615) 247-4036
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence 73522 (TN)

Record details

NPI number1922564079
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 13, 2019
Last updated in NPPESFebruary 18, 2026
Certification dateFebruary 18, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Centerwell Senior Primary Care Tn Pc — 39 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services