Active NPI
Matthew Neff
- Gastroenterology Physician
- Nashville, TN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- 48473
- Practice address
- 330 23Rd Ave N
Suite 300
Nashville, TN 37203-1534 - Phone
- (615) 342-6010
- Fax
- (615) 342-7898
- NPI assigned
- Apr 24, 2009
- Last updated
- Oct 10, 2025
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | NU | ||
| Internal Medicine Physician | 207R00000X | 48473 | TN | |
| Gastroenterology Physician | 207RG0100X | 48473 | TN | Primary |
| Gastroenterology Physician | 207RG0100X | MD.206270 | LA |
Addresses
Primary practice location
330 23Rd Ave N
Suite 300
Nashville, TN 37203-1534
Mailing address
330 23Rd Ave N
Suite 300
Nashville, TN 37203-1534
Phone (615) 342-6010
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TN
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- East Tennessee State University Quillen College of Medicine, 2009
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2300 Patterson St
Nashville, TN 37203-1538
Phone (615) 342-1000
2400 Patterson St
Suite 400
Nashville, TN 37203-1575
Phone (615) 342-5900
3001 Reserve Blvd
Spring Hill, TN 37174-3088
Phone (931) 489-1305
330 23Rd Ave N
Suite 400
Nashville, TN 37203-1698
Phone (615) 342-1000
5651 Frist Blvd
Suite 711
Hermitage, TN 37076-2061
Phone (615) 342-6010
5655 1St Blvd
Hermitage, TN 37076-2053
Phone (615) 342-4912
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 81.92 of 100
- Quality
- 70.32
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 69.4
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 194 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 232 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 48473 | TN | MD | Internal Medicine Physician |
| MD.206270 | LA | MD | Gastroenterology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Columbia Medical Group - the Frist Clinic Inc | Current | Accepting new patients | |
| Columbia Medical Group - the Frist Clinic Inc | Internal Medicine | Current | Accepting new patients |
Locations
5651 Frist Blvd
Ste 711
Hermitage, TN 37076
Phone (615) 342-6010
2300 Patterson St
Nashville, TN 37203
Phone (615) 342-1500
2400 Patterson St
Ste 400
Nashville, TN 37203
Phone (615) 342-5941
330 23rd Ave N
Ste 300
Nashville, TN 37203
Phone (615) 342-6010
3001 Reserve Blvd
Spring Hill, TN 37174
Phone (931) 489-1100
3001 Reserve Blvd
Ste 300
Spring Hill, TN 37174
Phone (931) 489-1100
Interoperability endpoints
- matthew.neff@hca1.eclinicaldirectplus.com
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba dba The Frist Clinic
- Internal Medicine Physician
- Nashville, TN
- NPI 1679560023
-
dba Frist Clinic Family Care
- Family Medicine Physician
- Ashland City, TN
- NPI 1609073535
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Tristar Centennial Medical Center
- General Acute Care Hospital
- Nashville, TN
- NPI 1023055126
-
dba Tristar Summit Medical Center
- General Acute Care Hospital
- Hermitage, TN
- NPI 1982650024
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1240531200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1760054400000",
"number": "1801030523",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "330 23RD AVE N",
"address_2": "SUITE 300",
"city": "NASHVILLE",
"state": "TN",
"postal_code": "372031534",
"telephone_number": "615-342-6010",
"fax_number": "615-342-7898"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "330 23RD AVE N",
"address_2": "SUITE 300",
"city": "NASHVILLE",
"state": "TN",
"postal_code": "372031534",
"telephone_number": "615-342-6010",
"fax_number": "615-342-7898"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NEFF",
"first_name": "MATTHEW",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2009-04-24",
"last_updated": "2025-10-10",
"certification_date": "2025-10-10",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": "NU",
"license": null,
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "TN",
"license": "48473",
"primary": false
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "TN",
"license": "48473",
"primary": true
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "LA",
"license": "MD.206270",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Nashville, TN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 10, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.