Doctor profile · Federal record
Dr. Lawrence Tierney, M.D.
Gastroenterology Physician · Saint Charles, MO
- NPI 1053440222
- 19 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
400 1St Capitol Dr Ste 201
Saint Charles, MO 633012882
(636) 669-2332 - Additional location
-
#6 Jungermann Circle, Suite 103
St. Peters, MO 633761618
(636) 928-0022
fax (636) 928-0023 - Mailing address
-
Po Box 955534
Saint Louis, MO 631955534
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- November 24, 2020
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Missouri #R8J21
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1053440222. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
481
Distinct HCPCS
9
Medicare allowed
$66,651
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 151 | 149 | $115 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 86 | 85 | $243 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 78 | 44 | $77 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 55 | 53 | $107 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 40 | 38 | $169 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 27 | 27 | $161 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 15 | 14 | $118 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 15 | 14 | $119 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $130 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 76. This provider delivers 6.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
694
Patients
508
Total drug cost
$33,332
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 259 | 248 | $5,212 |
| Pantoprazole Sodium | Generic | 213 | 87 | $3,474 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 70 | 69 | $5,129 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 54 | 54 | $9,703 |
| Omeprazole | Generic | 47 | 23 | $600 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 28 | 27 | $4,694 |
| Famotidine | Generic | 12 | 0 | $187 |
| Mesalamine | Generic | 11 | 0 | $4,334 |
Frequently asked questions
What is Dr. Lawrence Tierney's medical specialty?
Dr. Lawrence Tierney practices Gastroenterology Physician in Saint Charles, MO.
Where does Dr. Lawrence Tierney practice?
Dr. Lawrence Tierney practices at 400 1St Capitol Dr Ste 201, Saint Charles, MO 633012882. Office phone: 6366692332.
What is Dr. Lawrence Tierney's NPI?
Dr. Lawrence Tierney's National Provider Identifier (NPI) is 1053440222, issued by NPPES.
What procedures does Dr. Lawrence Tierney commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.