Doctor profile · Federal record

Dr. Nathan Shores, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Transplant Hepatology Physician · Charleston, SC

  • NPI 1417173378
  • Accepts Medicare
  • MIPS 82.4 / 100 · 2023
  • 22 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1962 Charlie Hall Blvd
Charleston, SC 29414
(843) 722-8000
fax (843) 647-6066
Mailing address
2001 2Nd Ave Ste 101
Summerville, SC 294867887

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
March 18, 2020
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (3)
South Carolina #36384 · North Carolina #20070312 · Louisiana #MD.204530
Medicaid
SC #363840

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417173378. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,407
Distinct HCPCS
10
Medicare allowed
$180,219
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 362 261 $117
99204 New patient office or other outpatient visit, 45-59 minutes 159 159 $154
45380 Biopsy of large bowel using a flexible endoscope 125 125 $128
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 110 108 $96
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 105 105 $226
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 92 90 $87
43450 Dilation of esophagus 74 72 $37
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 73 73 $170
99213 Established patient office or other outpatient visit, 20-29 minutes 58 56 $84
46221 Removal of external hemorrhoids by rubber banding 39 22 $264

In context: peer comparison

Among 10 peers in this city , average services per provider: 75. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14,646
Transactions
57
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 21 $9,427.16
Madrigal Pharmaceuticals 3 $4,658.48
Salix Pharmaceuticals, a division of Bausch Health US, LLC 13 $189.30
Sandoz Inc. 4 $66.17
Celltrion USA Inc. 3 $62.47
Takeda Pharmaceuticals U.S.A., Inc. 2 $49.27
Celgene Corporation 2 $40.89
Phathom Pharmaceuticals, Inc. 2 $38.43
Ardelyx, Inc. 2 $33.69
Merck Sharp & Dohme LLC 2 $31.30
Intercept Pharmaceuticals, Inc. 1 $16.59
Lilly USA, LLC 1 $16.31
IRONWOOD PHARMACEUTICALS, INC 1 $16.20

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$13,491
Food and Beverage
$921
Travel and Lodging
$172
Education
$62

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,348
Patients
441
Total drug cost
$420,868
Drug Type Claims Patients Total cost
Omeprazole Generic 380 158 $5,980
Famotidine Generic 142 45 $3,249
Metoclopramide Hcl Generic 126 43 $737
Pantoprazole Sodium Generic 120 42 $2,220
Linzess (Linaclotide) Brand 98 37 $121,031
Xifaxan (Rifaximin) Brand 81 14 $269,165
Spironolactone Generic 64 22 $1,965
Dicyclomine Hcl Generic 63 27 $1,448
Ursodiol Generic 52 0 $8,059
Mirtazapine Generic 50 12 $530

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Shores's medical specialty?
Dr. Nathan Shores practices Gastroenterology Physician in Charleston, SC.
Where does Dr. Nathan Shores practice?
Dr. Nathan Shores practices at 1962 Charlie Hall Blvd, Charleston, SC 29414. Office phone: 8437228000.
What is Dr. Nathan Shores's NPI?
Dr. Nathan Shores's National Provider Identifier (NPI) is 1417173378, issued by NPPES.
Does Dr. Nathan Shores accept Medicare assignment?
Yes. Dr. Nathan Shores accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Shores commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.