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Internal Medicine Providers in St Peters, MO

Browse 4 Internal Medicine providers listed in NPPES with a practice address in St Peters, Missouri.

4 Healthcare Providers

How St Peters compares with the U.S.

4 active clinicians in Internal Medicine list a practice address in St Peters, MO in the NPI registry.

With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.

None of the clinicians in Internal Medicine in St Peters are listed in the CMS Medicare file.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.

Showing 1โ€“4 of 4 providers
With recent CMS data first, then Aโ€“Z

Dr. Brian W. Stufflebam , MD

Internal Medicine

Active NPI Status
6 Jungermann Cir, Suite 201, St Peters, MO 633761621
Phone: 6364414660
NPI Identifier 1932135373
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Dr. Romulo Joven Fajatin , MD

Internal Medicine

Active NPI Status
4200 N Cloverleaf Dr, Ste A, St Peters, MO 63376
Phone: 6369399000
NPI Identifier 1265497051
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Dr. Felipe Orellana , MD

Internal Medicine

Active NPI Status
10 Hospital Dr, St Peters, MO 633761659
Phone: 3143170600
NPI Identifier 1922071877
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Dr. Joseph Ghio Viviano , MD

Internal Medicine

Active NPI Status
410a Jungermann Rd, St Peters, MO 633762749
Phone: 6369282280
NPI Identifier 1760479158
View Full Profile

Frequently Asked Questions about Internal Medicine in St Peters

How do I check a Internal Medicine practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the Missouri licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.

Internal Medicine Providers in Other Missouri Cities

Cities with the most listed practitioners first.