Agnes Diane Leon - Barriera, MD - Medicare Internal Medicine in Madison, TN

Agnes Diane Leon - Barriera, MD is a medicare enrolled "Internal Medicine - Geriatric Medicine" physician in Madison, Tennessee. She graduated from medical school in 2020 and has 6 years of diverse experience with area of expertise as Internal Medicine. Her current practice location is 2009 Gallatin Pike N, Madison, Tennessee. You can reach out to her office (for appointments etc.) via phone at (615) 247-4036.

Agnes Diane Leon - Barriera is licensed to practice in Tennessee (license number 73522) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1922564079.

Contact Information

Agnes Diane Leon - Barriera, MD
2009 Gallatin Pike N,
Madison, TN 37115-2001
(615) 247-4036
Not Available

Map and Direction




Physician's Profile

Full NameAgnes Diane Leon - Barriera
GenderFemale
SpecialityInternal Medicine
Experience6 Years
Location2009 Gallatin Pike N, Madison, Tennessee
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Agnes Diane Leon - Barriera graduated from medical school in 2020
  NPI Data:
  • NPI Number: 1922564079
  • Provider Enumeration Date: 02/13/2019
  • Last Update Date: 02/18/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 6204345028
  • Enrollment ID: I20250603003004

Medical Identifiers

Medical identifiers for Agnes Diane Leon - Barriera such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1922564079NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0300XInternal Medicine - Geriatric Medicine 73522 (Tennessee)Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Agnes Diane Leon - Barriera is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Agnes Diane Leon - Barriera, MD
2009 Gallatin Pike N,
Madison, TN 37115-2001

Ph: (615) 247-4036
Agnes Diane Leon - Barriera, MD
2009 Gallatin Pike N,
Madison, TN 37115-2001

Ph: (615) 247-4036

Reviews and Comments


Internal Medicine Doctors in Madison, TN

Dr. Mene Sugage Zua, MD
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1308 Briarville Rd, Madison, TN 37115
Phone: 615-868-3131    Fax: 615-515-0205
Charles Winters Jr., M.D.
Geriatric Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1037 E Old Hickory Blvd, Madison, TN 37115
Phone: 615-860-0228    Fax: 615-865-2799
Allie K Henderson-fitts, MD
Geriatric Medicine
Medicare: Medicare Enrolled
Practice Location: 2009 Gallatin Pike N, Madison, TN 37115
Phone: 615-988-4055    Fax: 877-721-6419
Darrell G Arnett, MD
Geriatric Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1205 S Graycroft Ave, Madison, TN 37115
Phone: 615-679-0132    Fax: 615-953-7903
Shindana L. Feagins, M.D.
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 607 W Due West Ave Ste 113, Madison, TN 37115
Phone: 615-860-8183    
Marcus Min, M.D.
Geriatric Medicine
Medicare: Medicare Enrolled
Practice Location: 607 W Due West Ave, Suite 122, Madison, TN 37115
Phone: 615-868-0600    Fax: 615-868-9544

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.