Doctor profile · Federal record

Dr. Thomas Werth

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

  • NPI 1477501849
  • Accepts Medicare
  • 41 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
171 Ashley Ave
Charleston, SC 294250001
(843) 792-1414
Mailing address
Po Box 751461
Charlotte, NC 282751461

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 2, 2022
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RT0003X — NUCC code
State licenses (3)
South Carolina #83151 · North Carolina #36289 · New York #260608
Medicaid
NC #8986581

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477501849. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
551
Distinct HCPCS
10
Medicare allowed
$54,294
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 66 52 $61
99213 Established patient office or other outpatient visit, 20-29 minutes 63 53 $85
99214 Established patient office or other outpatient visit, 30-39 minutes 61 43 $120
99214 Established patient office or other outpatient visit, 30-39 minutes 50 34 $92
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 48 25 $75
99204 New patient office or other outpatient visit, 45-59 minutes 44 44 $154
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 43 25 $46
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 39 18 $113
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 33 30 $123
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 23 23 $79

In context: peer comparison

Among 3 peers in Charleston Transplant Hepatology Physician, average services per provider: 47. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
815
Patients
183
Total drug cost
$631,036
Drug Type Claims Patients Total cost
Ursodiol Generic 174 38 $43,916
Xifaxan (Rifaximin) Brand 149 24 $520,598
Spironolactone Generic 91 27 $1,076
Furosemide Generic 84 37 $678
Tacrolimus Generic 54 12 $13,432
Pantoprazole Sodium Generic 47 17 $760
Lactulose Generic 39 11 $1,924
Amiloride Hcl Generic 33 0 $888
Fenofibrate (Fenofibrate Nanocrystallized) Brand 28 0 $1,171
Mycophenolate Mofetil Generic 26 0 $1,714

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Werth's medical specialty?
Dr. Thomas Werth practices Transplant Hepatology Physician in Charleston, SC.
Where does Dr. Thomas Werth practice?
Dr. Thomas Werth practices at 171 Ashley Ave, Charleston, SC 294250001. Office phone: 8437921414.
What is Dr. Thomas Werth's NPI?
Dr. Thomas Werth's National Provider Identifier (NPI) is 1477501849, issued by NPPES.
Does Dr. Thomas Werth accept Medicare assignment?
Yes. Dr. Thomas Werth accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Werth commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.