Matthew Neff
NPI 1801030523 · Gastroenterology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Neff is a Gastroenterology Physician provider in Nashville, TN (NPI 1801030523).
Provider details
- NPI number
- 1801030523
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 48473 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
673 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 97 | $169 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 84 | $235 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 79 | $77 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 77 | $56 |
| Insertion of Guide Wire With Dilation of Esophagus Using a Flexible Endoscope43248 | 62 | $127 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 164 | 160 |
| Pantoprazole Sodium | 153 | 70 |
| Linaclotidebrand: Linzess | 77 | 21 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 27 | 25 |
| Upadacitinibbrand: Rinvoq | 26 | — |
| Ondansetron Hcl | 24 | 12 |
| Ondansetronbrand: Ondansetron Odt |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,195 across 207 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-24
- Last updated
- 2025-10-10
- Certified
- 2025-10-10
Frequently asked questions
- What is Matthew Neff's NPI number?
- Matthew Neff's National Provider Identifier (NPI) is 1801030523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Neff's specialty?
- Matthew Neff is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Neff located?
- Matthew Neff's practice location on file with NPPES is 330 23rd Ave N, Nashville, TN 37203-1534.
- What is Matthew Neff's phone number?
- The practice phone number listed in the NPPES registry for Matthew Neff is (615) 342-6010.
- Does Matthew Neff accept Medicare?
- Matthew Neff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Neff's NPI active?
- Yes — Matthew Neff's NPI (1801030523) is active in the NPPES registry as of the last update on 2025-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.