Eric Sumner, M.D.
NPI 1366559536 · Gastroenterology Physician · Franklin, TN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Sumner, M.D. is a Gastroenterology Physician provider in Franklin, TN (NPI 1366559536).
Provider details
- NPI number
- 1366559536
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 38514 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
811 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 156 | $118 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 106 | $226 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 72 | $164 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 67 | $202 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43235 | 61 | $91 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 90 | 35 |
| Pantoprazole Sodium | 61 | 22 |
| Linaclotidebrand: Linzess | 39 | — |
| Dicyclomine Hcl | 32 | 14 |
| Amitriptyline Hcl | 31 | — |
| Balsalazide Disodium | 16 | — |
| Sucralfate | 16 | — |
| Adalimumab |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$182 across 10 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
- 2006-08-24
- Last updated
- 2023-07-07
- Certified
- 2023-06-30
Frequently asked questions
- What is Eric Sumner's NPI number?
- Eric Sumner's National Provider Identifier (NPI) is 1366559536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Sumner's specialty?
- Eric Sumner is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Sumner located?
- Eric Sumner's practice location on file with NPPES is Williamson Medical Group LLC, Franklin, TN 37067.
- What is Eric Sumner's phone number?
- The practice phone number listed in the NPPES registry for Eric Sumner is (156) 791-2330.
- Does Eric Sumner accept Medicare?
- Eric Sumner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Sumner's NPI active?
- Yes — Eric Sumner's NPI (1366559536) is active in the NPPES registry as of the last update on 2023-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.