AGNES DIANE LEON - BARRIERA MD
NPI 1922564079
Internal Medicine - Geriatric Medicine in Madison, TN

Active since February 13, 2019PECOS EnrolledAccepts Medicare Assignment
2009 GALLATIN PIKE N, MADISON, TN 37115(615) 247-4036 Get Directions Write a Review

NPPES record last updated: February 18, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 11, 2025, Sep 10, 2021, Feb 13, 2019 (3 updates tracked since 2019).

About Agnes Diane Leon - Barriera Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AGNES DIANE LEON - BARRIERA MD (NPI 1922564079) is an individual geriatric medicine provider in Madison, Tennessee, licensed in Tennessee (73522) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS, is affiliated with Tristar Skyline Medical Center, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1922564079
Entity TypeIndividualFemale
Primary Taxonomy207RG0300X
Provider Legal NameAGNES DIANE LEON - BARRIERACredential: MD
Location Address2009 GALLATIN PIKE NMadison, TN 37115-2001
Mailing Address2009 Gallatin Pike NMadison, TN 37115-2001 · (615) 247-4036
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateFebruary 13, 2019
Last NPPES UpdateFebruary 18, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 18, 2026
NPI 1922564079 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License Licensed in TN · 73522
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
2009 GALLATIN PIKE N, Madison, TN 37115

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Agnes Diane Leon - Barriera Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6204345028
PECOS Enrollment IDI20250603003004
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Tristar Skyline Medical Center

Acute Care Hospitals · Nashville, TN
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440006
Location3441 Dickerson PikeNashville, TN 37207 · Davidson County
Emergency services

Tristar Hendersonville Medical Center

Acute Care Hospitals · Hendersonville, TN
4/5 CMS rating
OwnershipProprietary
CMS Certification Number440194
Location355 New Shackle Island RdHendersonville, TN 37075 · Sumner County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$160.89 typical visit price
range $52.64 – $160.89
Typical copayment $40.22 (range $13.16 – $40.22)
Most-billed visit code 99205
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
2009 GALLATIN PIKE N
MADISON, TN 37115
Nurse Practitioner (Family)
2009 GALLATIN PIKE N
MADISON, TN 37115
Nurse Practitioner
2009 GALLATIN PIKE N
MADISON, TN 37115
Internal Medicine
2009 GALLATIN PIKE N
MADISON, TN 37115
Family Medicine
2009 GALLATIN PIKE N
MADISON, TN 37115

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Agnes Leon - Barriera's NPI number?

The NPI number for Agnes Leon - Barriera is 1922564079. It was assigned to this individual provider in the NPPES registry on February 13, 2019.

Where is Agnes Leon - Barriera located?

Agnes Leon - Barriera practices at 2009 Gallatin Pike N, Madison, TN 37115. The listed phone number is (615) 247-4036.

What is Agnes Leon - Barriera's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Agnes Leon - Barriera enrolled in Medicare?

Yes. Agnes Leon - Barriera is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Agnes Leon - Barriera affiliated with any hospitals?

According to CMS data, Agnes Leon - Barriera is affiliated with Tristar Skyline Medical Center and Tristar Hendersonville Medical Center.

When was this NPI record last updated?

The NPPES record for Agnes Leon - Barriera was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.