Matthew Neff
Gastroenterology Physician · Nashville, TN
Matthew Neff is a gastroenterology physician with a practice address in Nashville, Tennessee, and NPI 1801030523, issued on Apr 24, 2009. Check the license (Tennessee 48473, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Matthew Neff
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 48473 TN
MD.206270 LA
Self-reported in NPPES; status is on the state search - Practice location
- 330 23RD Ave N, Nashville, TN 37203
- Phone
- (615) 342-6010
- Enumerated
- Apr 24, 2009
- Record last updated
- Oct 10, 2025
- Fax
- (615) 342-7898
- Medicare enrollment
- Enrolled (PECOS I20120731000829); accepts Medicare assignment
- Medical or professional school
- East Tennessee State University Quillen College Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 384 in Tennessee → Look up another NPI →
Also registered at 330 23RD Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthew Neff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 48473Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average gastroenterology physician in 2024
796 Medicare Part D claims for 353 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf164 claims
- Pantoprazole Sodium153 claims
- Linzess77 claims
- Gavilyte-G27 claims
- Rinvoq26 claims
- Ondansetron Hcl24 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: $3,195.29
207 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Columbia Medical Group - The Frist Clinic IncNashville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Neff among 384 gastroenterology physician records in Tennessee
Matthew Neff is one of 384 gastroenterology 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 2009, is newer than 74% of them.
- NPI issued2009 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2009 · median 2001 among the 255 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Tennessee
There are 384 gastroenterology physician records in Tennessee.
All 384 in Tennessee → Every provider in Nashville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- William Alexander, M.D.Nashville, TN 372031609848738
- Allan Bailey, M.D.Nashville, TN 372031396739140
- Alan Dopp, M.D.Nashville, TN 372031407828221
- Abu Fakhruddin, MDNashville, TN 372031962497867
- Thomas Lewis, MDNashville, TN 372031760478192
- Wallace McGrew, MDNashville, TN 372031629063854
- David McMillen, M.D.Nashville, TN 372031275524936
- Douglas Mitchell, M.D.Nashville, TN 372031033100730
Common questions
What is Matthew Neff's NPI number?
Matthew Neff's National Provider Identifier (NPI) is 1801030523, issued on Apr 24, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Neff located?
The NPPES record lists a practice address at 330 23RD Ave N, Nashville, TN, 37203. Phone: (615) 342-6010. Providers update this record themselves, so call before visiting.
How can I verify Matthew Neff's license?
NPPES lists Tennessee license number 48473, 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 Matthew Neff prescribe under Medicare Part D?
In 2024, Matthew Neff had 796 Medicare Part D claims for 353 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.
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.