Nicole Tsein Shen, M.D.
Gastroenterology (CMS) · Saint Louis, MO
At a glance
1034 S Brentwood Blvd Ste 555, Saint Louis, MO 63117-1265
Published activity: Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Dec 9, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1034 S Brentwood Blvd Ste 555Saint Louis, MO 63117-1265
Additional reported practice locations
11155 Dunn Rd Ste 309ESaint Louis, MO 631366111
Phone: 3149538799
Education & affiliations
- Medical / professional school
- University Of Missouri, Columbia School Of Medicine
- Graduation year
- 2013
- CMS specialties
- Gastroenterology
Practice groups
Reported hospital affiliations
- Christian Hospital Northeast Saint Louis, MO
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Colonoscopy | 33 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 52 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $1,404.66 |
Reporting companies
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $212.28 |
| PFIZER INC. | $210.40 |
| MADRIGAL PHARMACEUTICALS | $181.58 |
| ABBVIE INC. | $179.94 |
| BOSTON SCIENTIFIC CORPORATION | $152.72 |
| CONMED CORPORATION | $139.15 |
| JANSSEN BIOTECH, INC. | $100.59 |
| TAKEDA PHARMACEUTICALS U.S.A., INC. | $44.28 |
| Other reporting companies | $183.72 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Gastroenterology (CMS)
- Taxonomy code
- 207RG0100X
- Enumeration date
- Mar 28, 2013
- Record updated
- Dec 9, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207RG0100X · Primary
License reported: 2020008440 MO
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1034 S Brentwood Blvd Ste 555Saint Louis, MO 63117-1265
- Phone
- (724) 816-3152
Mailing address
40 LOREN WOODS DRSAINT LOUIS, MO 631241903
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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