NPPES file of Aug 9, 2026

Jason D. Aston, M.D.

Colon & Rectal Surgery Physician · Nashville, TN

Jason D. Aston, M.D. is a colon & rectal surgery physician with a practice address in Nashville, Tennessee, and NPI 1225226327, issued on Oct 15, 2007. Check the license (Tennessee MD0000047389, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225226327
Name
Jason D. Aston
Credential
M.D.
Primary taxonomy
Colon & Rectal Surgery Physician 208C00000X
License number
MD0000047389 TN
Self-reported in NPPES; status is on the state search
Practice location
345 23RD Ave N, Nashville, TN 37203
Phone
(615) 342-5740
Enumerated
Oct 15, 2007
Record last updated
Apr 21, 2026
Medicaid ID
1524302 TN
Medicare enrollment
Enrolled (PECOS I20110712000471); accepts Medicare assignment
Medical or professional school
University Of Tennessee, Hsc, College Of Medicine, 2005
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest colon & rectal surgery physician records → All 39 in Tennessee → Look up another NPI →

Also registered at 345 23RD Ave N

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Carl Awh, M.D.Retina Specialist (Ophthalmology) Physician1386729085
  2. Brian Biesman, M.D.Specialist1700848934
  3. Brandon Busbee, M.D.Retina Specialist (Ophthalmology) Physician1609952654
  4. Abby Eblen, M.D.Reproductive Endocrinology Physician1033189907
  5. Gary Gutow, M.D.Ophthalmology Physician1619052321
  6. George Hill, M.D.Reproductive Endocrinology Physician1306816038

Verify Jason D. Aston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license MD0000047389    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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47% more Medicare Part D claims than the average colon & rectal surgery physician in 2024

282 Medicare Part D claims for 159 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 67 claims were for opioids.

  1. Jason Aston282
  2. Specialty average192

Most prescribed

  1. Oxycodone-Acetaminophen57 claims
  2. Sutab47 claims
  3. Hydrocortisone43 claims
  4. Neomycin Sulfate22 claims
  5. Amoxicillin-Clavulanate Potass20 claims
  6. Erythromycin17 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.

Industry payments in 2024: $376.99

42 payments; by number, the most common kind was food and beverage; the largest payer was Braintree Laboratories, Inc. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jason Aston$376.99
  2. Specialty average$3,468.16

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Advanced Diagnostic Imaging PCNashville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jason D. Aston among 39 colon & rectal surgery physician records in Tennessee

Jason D. Aston, M.D. is one of 39 colon & rectal surgery physician records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 36% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2005 · median 2005 among the 27 with a school on file
  • Record last updated2026 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Colon & Rectal Surgery Physician providers in Tennessee

There are 39 colon & rectal surgery physician records in Tennessee.

All 39 in Tennessee → Every provider in Nashville → Colon & Rectal Surgery Physician nationwide →

The 8 colon & rectal surgery physician records with the nearest ZIP codes

  1. Susan Briley, MDNashville, TN 372031396723185
  2. William Harb, M.D.Nashville, TN 372031063528651
  3. Richard Howerton, M.D.Nashville, TN 372031346341963
  4. Christopher Mascarenhas, MDNashville, TN 372031780777896
  5. Michael Santi, M.D.Nashville, TN 372031427159060
  6. Sree Suryadevara, M.B.B.S.Nashville, TN 372031952561474
  7. David Beck, MDNashville, TN 372321861450900
  8. Molly Ford, M.D.Nashville, TN 372321316148893

Common questions

What is Jason D. Aston, M.D.'s NPI number?

Jason D. Aston, M.D.'s National Provider Identifier (NPI) is 1225226327, issued on Oct 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jason D. Aston, M.D. located?

The NPPES record lists a practice address at 345 23RD Ave N, Nashville, TN, 37203. Phone: (615) 342-5740. Providers update this record themselves, so call before visiting.

How can I verify Jason D. Aston, M.D.'s license?

NPPES lists Tennessee license number MD0000047389, 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 Jason D. Aston, M.D. prescribe under Medicare Part D?

In 2024, Jason D. Aston, M.D. had 282 Medicare Part D claims for 159 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.