Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Robert Thomas Troiani Jr., MD

Individual provider Surgery Physician · NPI 1891736591

Dr. Robert Thomas Troiani Jr., MD is a General Surgery in Hannibal, Missouri. Graduated from University of Texas Medical School at San Antonio in 1987, 39 years ago. Accepts Medicare assignment. Licensed in Illinois and Missouri.

Years since qualifying
39
Trained at
University of Texas Medical School at San Antonio
Licensed in
IL, MO
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6500 Hospital Dr Ste 2A
Hannibal, MO 63401-6890
Phone: (573) 629-3400
Fax: (573) 629-3414
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 2007036885 (MO)
Surgery Physician Taxonomy 208600000X · Licence 036172631 (IL)

Record details

NPI number1891736591
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 10, 2006
Last updated in NPPESFebruary 20, 2025
Certification dateFebruary 20, 2025
Mailing address6500 Hospital Drive, Suite 2a, Hannibal, MO 63401-1239

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 1987 (39 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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