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

Samuel J Listi & Margaret a Sowada

Organization Internal Medicine Physician · NPI 1417071903

Samuel J Listi & Margaret a Sowada is an Internal Medicine Physician in Dallas, Texas. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

5909 Harry Hines Blvd St Paul University Hospital
Dallas, TX 75235-6209
Phone: (972) 247-8391
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1417071903
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Margaret Sowada — General Partner · (972) 247-8391
NPI enumeratedMarch 19, 2007
Last updated in NPPESAugust 22, 2020
Mailing address4212 High Summit Dr, Dallas, TX 75244-6628

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