Doctor profile · Federal record

Dr. James Schnell, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Specialist · Charleston, SC

  • NPI 1679523070
  • Accepts Medicare
  • MIPS 98.7 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2073 Charlie Hall Blvd
Charleston, SC 294145834
(843) 571-0643
fax (843) 377-0499

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
May 14, 2020
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
South Carolina #37760 · South Carolina #19258
Medicaid
SC #T33997

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679523070. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,356
Distinct HCPCS
10
Medicare allowed
$295,588
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 689 428 $121
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 218 216 $241
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 211 198 $95
88305 Pathology examination of tissue using a microscope, intermediate complexity 168 82 $32
99204 New patient office or other outpatient visit, 45-59 minutes 166 166 $159
99213 Established patient office or other outpatient visit, 20-29 minutes 164 138 $86
45380 Biopsy of large bowel using a flexible endoscope 155 153 $113
43450 Dilation of esophagus 85 77 $38
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 85 84 $171
99203 New patient office or other outpatient visit, 30-44 minutes 79 79 $107

In context: peer comparison

Among 10 peers in this city , average services per provider: 75. This provider delivers 31× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,039
Transactions
100
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 27 $382.45
Janssen Biotech, Inc. 10 $277.44
Ardelyx, Inc. 8 $167.42
PFIZER INC. 10 $149.48
Gilead Sciences, Inc. 7 $137.42
Salix Pharmaceuticals, a division of Bausch Health US, LLC 6 $121.39
AIMMUNE THERAPEUTICS, INC. 5 $108.38
GENZYME CORPORATION 4 $97.48
Celgene Corporation 6 $91.66
Phathom Pharmaceuticals, Inc. 4 $74.96
IRONWOOD PHARMACEUTICALS, INC 3 $65.45
Takeda Pharmaceuticals U.S.A., Inc. 3 $58.37
Organon Llc 2 $55.59
QOL Medical, LLC 2 $51.33
Intercept Pharmaceuticals, Inc. 3 $46.09

By nature of payment

Food and Beverage
$2,000
Education
$39

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,460
Patients
730
Total drug cost
$278,557
Drug Type Claims Patients Total cost
Omeprazole Generic 557 198 $11,487
Linzess (Linaclotide) Brand 166 69 $194,656
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 158 148 $3,637
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 100 91 $16,920
Esomeprazole Magnesium Generic 78 25 $6,837
Colestipol Hcl Generic 74 26 $7,643
Pantoprazole Sodium Generic 51 15 $953
Famotidine Generic 49 22 $1,378
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 48 48 $3,613
Dicyclomine Hcl Generic 38 27 $1,138

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Schnell's medical specialty?
Dr. James Schnell practices Gastroenterology Physician in Charleston, SC.
Where does Dr. James Schnell practice?
Dr. James Schnell practices at 2073 Charlie Hall Blvd, Charleston, SC 294145834. Office phone: 8435710643.
What is Dr. James Schnell's NPI?
Dr. James Schnell's National Provider Identifier (NPI) is 1679523070, issued by NPPES.
Does Dr. James Schnell accept Medicare assignment?
Yes. Dr. James Schnell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Schnell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.