Doctor profile · Federal record
Dr. Matthew Neff
Gastroenterology Physician (CMS: Internal Medicine) · Gastroenterology Physician · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Nashville, TN
- NPI 1801030523
- Accepts Medicare
- 17 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
330 23Rd Ave N, Suite 300
Nashville, TN 372031534
(615) 342-6010
fax (615) 342-7898
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- October 10, 2025
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Tennessee #48473 · Louisiana #MD.206270
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801030523. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
562
Distinct HCPCS
10
Medicare allowed
$66,962
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 70 | 69 | $229 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 70 | 69 | $161 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 67 | 66 | $56 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 62 | 62 | $56 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 61 | 50 | $73 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 47 | 41 | $118 | |
43248 |
Insertion of guide wire with dilation of esophagus using a flexible endoscope | 40 | 39 | $127 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 27 | 22 | $112 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 24 | 24 | $155 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 23 | 23 | $100 |
In context: peer comparison
Among 27 peers in this city , average services per provider: 49. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$3,195
Transactions
198
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 85 | $978.73 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 23 | $415.91 | |
| Janssen Biotech, Inc. | 21 | $404.22 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 14 | $227.74 | |
| GENZYME CORPORATION | 12 | $166.05 | |
| Celgene Corporation | 9 | $164.54 | |
| Lilly USA, LLC | 9 | $143.91 | |
| Regeneron Healthcare Solutions, Inc. | 7 | $134.22 | |
| Madrigal Pharmaceuticals | 4 | $104.28 | |
| Merck Sharp & Dohme LLC | 3 | $60.60 | |
| Phathom Pharmaceuticals, Inc. | 3 | $57.57 | |
| Astellas Pharma US Inc | 3 | $57.45 | |
| PFIZER INC. | 2 | $37.54 | |
| Micro-tech Endoscopy USA, Inc. | 1 | $36.24 | |
| La Jolla Pharmaceutical Company | 2 | $36.21 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
493
Patients
226
Total drug cost
$361,545
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 157 | 68 | $2,523 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 61 | 61 | $895 |
| Linzess (Linaclotide) | Brand | 59 | 16 | $53,906 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 38 | 38 | $6,196 |
| Rinvoq (Upadacitinib) | Brand | 31 | 0 | $226,139 |
| Motegrity (Prucalopride Succinate) | Brand | 24 | 0 | $20,369 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 22 | 22 | $1,610 |
| Creon (Lipase/Protease/Amylase) | Brand | 21 | 0 | $47,512 |
| Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 21 | 21 | $422 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 18 | 0 | $703 |
Hospital affiliations
Frequently asked questions
What is Dr. Matthew Neff's medical specialty?
Dr. Matthew Neff practices Gastroenterology Physician in Nashville, TN.
Where does Dr. Matthew Neff practice?
Dr. Matthew Neff practices at 330 23Rd Ave N, Nashville, TN 372031534. Office phone: 6153426010.
What is Dr. Matthew Neff's NPI?
Dr. Matthew Neff's National Provider Identifier (NPI) is 1801030523, issued by NPPES.
Does Dr. Matthew Neff accept Medicare assignment?
Yes. Dr. Matthew Neff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Neff commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.