James Schnell, M.D.
NPI 1679523070 · Gastroenterology Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Schnell, M.D. is a Gastroenterology Physician provider in Charleston, SC (NPI 1679523070).
Provider details
- NPI number
- 1679523070
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 19258 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
1,921 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 | 531 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 274 | $90 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 192 | $98 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 167 | $250 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 152 | $164 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 550 | 190 |
| Linaclotidebrand: Linzess | 222 | 82 |
| Esomeprazole Magnesium | 139 | 42 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 127 | 117 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 122 | 117 |
| Colestipol Hcl | 89 | 27 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 83 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,039 across 107 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
- 2006-05-10
- Last updated
- 2020-05-14
- Certified
- 2020-05-14
Frequently asked questions
- What is James Schnell's NPI number?
- James Schnell's National Provider Identifier (NPI) is 1679523070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Schnell's specialty?
- James Schnell is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is James Schnell located?
- James Schnell's practice location on file with NPPES is 2073 Charlie Hall Blvd, Charleston, SC 29414-5834.
- What is James Schnell's phone number?
- The practice phone number listed in the NPPES registry for James Schnell is (843) 571-0643.
- Does James Schnell accept Medicare?
- James Schnell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Schnell's NPI active?
- Yes — James Schnell's NPI (1679523070) is active in the NPPES registry as of the last update on 2020-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.