Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Colorectal Surgery (Proctology)

Jason D. Aston, MD

Works at hospitals in Nashville, TN · Tennessee

Summary

Jason D. Aston, MD (Colorectal Surgery (Proctology)) is listed by Medicare at 1 hospital in Nashville, TN. NPI 1225226327. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jason D. Aston, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Colorectal Surgery (Proctology)Primary specialty
YesAccepts Medicare assignment
YesOffers telehealth
21Years since medical school (graduated 2005)
University Of Tennessee, Hsc, College Of MedicineMedical school
MaleGender (as listed)
Advanced Diagnostic Imaging PCGroup practice

Quick answers

Which hospitals does Jason D. Aston work at?
Medicare's official clinician data lists Jason D. Aston at 1 hospital: Tristar Centennial Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jason D. Aston see patients?
Medicare's clinician data lists 3 practice locations, including Nashville, TN. Call before your visit to confirm the address.
What is Jason D. Aston's specialty?
Medicare lists Colorectal Surgery (Proctology) as the primary specialty, and also General Surgery.
Does Jason D. Aston accept Medicare assignment?
Yes. Medicare's clinician data says Jason D. Aston accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Jason D. Aston offer telehealth?
Medicare's clinician data says Jason D. Aston offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Jason D. Aston?
(615) 612-2146, as listed in official Medicare / NPI Registry data.
What is Jason D. Aston's NPI number?
1225226327. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jason D. Aston works

Medicare's Facility Affiliation Data lists Jason D. Aston at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jason D. Aston is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jason D. Aston as a member of this group (CMS data updated 2026-10-02).

  • Advanced Diagnostic Imaging PC523 clinicians in the group

Specialties

Find other Colorectal Surgery (Proctology) doctors in Tennessee →

Other colorectal surgeons in Nashville

Clinicians with the same Medicare primary specialty in Nashville, TN — not a recommendation.

All colorectal surgeons in Nashville →

Clinician information

CredentialMD
Medical schoolUniversity Of Tennessee, Hsc, College Of Medicine
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1225226327
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians