Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Matthew Neff

Individual provider Gastroenterology Physician · NPI 1801030523

Matthew Neff is an Internal Medicine in Nashville, Tennessee. Graduated from East Tennessee State University Quillen College of Medicine in 2009, 17 years ago. Practices with Columbia Medical Group - the Frist Clinic Inc, a 56-clinician group and accepts Medicare assignment. Licensed in Louisiana and Tennessee.

Years since qualifying
17
Trained at
East Tennessee State University Quillen College of Medicine
Licensed in
LA, TN
In the registry since
2009
Specialties on file
4
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Practice location Address checks out

330 23rd Ave N Ste 300
Nashville, TN 37203-1534
Phone: (615) 342-6010
Fax: (615) 342-7898
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 48473 (TN)
Gastroenterology Physician Taxonomy 207RG0100X · Licence MD.206270 (LA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 48473 (TN)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1801030523
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedApril 24, 2009
Last updated in NPPESOctober 10, 2025
Certification dateOctober 10, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolEAST TENNESSEE STATE UNIVERSITY QUILLEN COLLEGE OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Columbia Medical Group - The Frist Clinic Inc — 56 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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