Matthew Barnes, MD
NPI 1699118133 · Gastroenterology Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Barnes, MD is a Gastroenterology Physician provider in Greenville, SC (NPI 1699118133).
Provider details
- NPI number
- 1699118133
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 83498 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
1,677 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 463 | $31 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 244 | $119 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 236 | $62 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 134 | $83 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 105 | $74 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 255 | 111 |
| Famotidine | 177 | 74 |
| Pantoprazole Sodium | 124 | 53 |
| Dicyclomine Hcl | 81 | 46 |
| Linaclotidebrand: Linzess | 57 | 24 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 55 | 49 |
| Sucralfate | 53 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,363 across 56 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
- 2013-04-15
- Last updated
- 2024-05-20
- Certified
- 2024-05-20
Frequently asked questions
- What is Matthew Barnes's NPI number?
- Matthew Barnes's National Provider Identifier (NPI) is 1699118133, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Barnes's specialty?
- Matthew Barnes is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Barnes located?
- Matthew Barnes's practice location on file with NPPES is 125 Halton Rd Ste 200, Greenville, SC 29607-3507.
- What is Matthew Barnes's phone number?
- The practice phone number listed in the NPPES registry for Matthew Barnes is (864) 232-7338.
- Does Matthew Barnes accept Medicare?
- Matthew Barnes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Barnes's NPI active?
- Yes — Matthew Barnes's NPI (1699118133) is active in the NPPES registry as of the last update on 2024-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.