Priyanka Tiwari, MD
Gastroenterology · Internal Medicine (CMS) · Saint Louis, MO
At a glance
615 S New Ballas Rd Ste 1200, Saint Louis, MO 63141-8221
Published activity: Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Jun 24, 2024. 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
615 S New Ballas Rd Ste 1200Saint Louis, MO 63141-8221
Additional reported practice locations
200 Brevco Plz Ste 208Lake St Louis, MO 633672950
Phone: 6365619020 15945 Clayton Rd Ste 220
Ballwin, MO 630112491
Phone: 3142513880 621 S New Ballas Rd Ste 584A
Saint Louis, MO 631418261
Phone: 3142513600
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2002
- CMS specialties
- Gastroenterology · Internal Medicine
Practice groups
Reported hospital affiliations
- Mercy Hospital St Louis 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 | 17 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 38 |
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
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
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 · Internal Medicine (CMS)
- Taxonomy code
- 207RG0100X
- Enumeration date
- Sep 1, 2006
- Record updated
- Jun 24, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207RG0100X · Primary
License reported: 2019033235 MO
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
615 S New Ballas Rd Ste 1200Saint Louis, MO 63141-8221
- Phone
- (314) 251-2880
Mailing address
615 S NEW BALLAS RD STE 1200SAINT LOUIS, MO 631418221
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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