LAWRENCE STEPHEN TIERNEY M.D.
NPI 1053440222
Internal Medicine - Gastroenterology in Saint Charles, MO

Active since March 05, 2007PECOS Enrolled
400 1ST CAPITOL DR STE 201, SAINT CHARLES, MO 63301(636) 669-2332 Get Directions Write a Review

NPPES record last updated: November 24, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Lawrence Stephen Tierney M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LAWRENCE STEPHEN TIERNEY M.D. (NPI 1053440222) is an individual gastroenterology provider in Saint Charles, Missouri, licensed in Missouri (R8J21) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Ssm St Joseph Health Center, and maintains a secondary practice location in St. Peters.

NPPES Registry Identity

NPI1053440222
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameLAWRENCE STEPHEN TIERNEYCredential: M.D.
Location Address400 1ST CAPITOL DR STE 201Saint Charles, MO 63301-2882
Mailing AddressPo Box 955534Saint Louis, MO 63195-5534
Sole ProprietorYes
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1988
Enumeration DateMarch 5, 2007
Last NPPES UpdateNovember 24, 2020
NPPES CertifiedNovember 24, 2020
NPI 1053440222 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in MO · R8J21
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
400 1ST CAPITOL DR STE 201, Saint Charles, MO 63301

Secondary Practice Location 1

Location 1#6 Jungermann Circle, Suite 103St. Peters, MO 63376-1618 · Phone (636) 928-0022 · Fax (636) 928-0023

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Lawrence Stephen Tierney M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2668363573
PECOS Enrollment IDI20100608000063
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
142 services140 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
80 services80 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
73 services67 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
70 services45 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
31 services30 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
28 services27 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ssm St Joseph Health Center

Acute Care Hospitals · Saint Charles, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260005
Location300 1st Capitol DrSaint Charles, MO 63301 · St. Charles County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63301 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Surgery
400 1ST CAPITOL DR STE 201
SAINT CHARLES, MO 63301
Internal Medicine (Gastroenterology)
400 1ST CAPITOL DR STE 201
SAINT CHARLES, MO 63301
Surgery (Trauma Surgery)
400 1ST CAPITOL DR STE 201
SAINT CHARLES, MO 63301
Nurse Practitioner
400 1ST CAPITOL DR STE 201
SAINT CHARLES, MO 63301
Internal Medicine (Gastroenterology)
400 1ST CAPITOL DR STE 201
SAINT CHARLES, MO 63301
Obstetrics & Gynecology
400 1ST CAPITOL DR STE 201
SAINT CHARLES, MO 63301

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lawrence Tierney's NPI number?

The NPI number for Lawrence Tierney is 1053440222. It was assigned to this individual provider in the NPPES registry on March 5, 2007.

Where is Lawrence Tierney located?

Lawrence Tierney practices at 400 1st Capitol Dr Ste 201, Saint Charles, MO 63301. The listed phone number is (636) 669-2332.

What is Lawrence Tierney's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Lawrence Tierney enrolled in Medicare?

Yes. Lawrence Tierney is registered in the Medicare PECOS enrollment system.

Is Lawrence Tierney affiliated with any hospitals?

According to CMS data, Lawrence Tierney is affiliated with Ssm St Joseph Health Center.

When was this NPI record last updated?

The NPPES record for Lawrence Tierney was last updated on November 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.