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

Gary R Hattan, MD

Individual provider Family Medicine Physician · NPI 1619961729

Gary R Hattan, MD is a Family Medicine Physician in Sioux City, Iowa. Licensed in Iowa. Registered with an NPI since 2005.

Licensed in
IA
In the registry since
2005
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

1021 Nebraska St
Sioux City, IA 51104
Phone: (712) 252-2477
Fax: (712) 252-5516
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 31287 (IA)

Record details

NPI number1619961729
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 2, 2005
Last updated in NPPESMarch 1, 2010
Mailing addressPo Box 5410, Sioux City, IA 51102

Other providers in Sioux City