NPI Portal NPI Lookup & Verification

Obstetrics & Gynecology in Hannibal, MO

7 active Obstetrics & Gynecology providers practice in Hannibal, Missouri according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Obstetrics & Gynecology providers in Hannibal, MO
NPI Name Type Specialty Location
1770917940 Ivan Trinh Individual Obstetrics & Gynecology Physician Hannibal, MO
1740669142 Jennifer Roberts Merriman Individual Obstetrics & Gynecology Physician Hannibal, MO
1457330128 John Bennett Individual Obstetrics & Gynecology Physician Hannibal, MO
1457512089 Julie Viehmann Individual Obstetrics & Gynecology Physician Hannibal, MO
1740269307 Laura Maple Individual Obstetrics & Gynecology Physician Hannibal, MO
1932188497 Lynn Walley Individual Obstetrics & Gynecology Physician Hannibal, MO
1427037183 Sandra Ahlum Individual Obstetrics & Gynecology Physician Hannibal, MO

Frequently asked questions

How many Obstetrics & Gynecology providers are in Hannibal, MO?
The latest NPPES snapshot lists 7 active Obstetrics & Gynecology providers with a practice address in Hannibal, Missouri.
How do I check a Obstetrics & Gynecology provider's NPI in Hannibal?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-11.