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

Dr. Susan E Sieh, MD

Individual provider Family Medicine Physician · NPI 1841392750

Dr. Susan E Sieh, MD is a Family Medicine Physician in Mason City, Iowa. Licensed in Iowa. Registered with an NPI since 2006.

Licensed in
IA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1631 4th St SW Ste 114B
Mason City, IA 50401-1612
Phone: (641) 428-6000
Fax: (641) 428-6007
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 27924 (IA)

Record details

NPI number1841392750
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 1, 2006
Last updated in NPPESAugust 30, 2021
Certification dateAugust 30, 2021
Mailing address621 S Illinois Ave Ste 103, Mason City, IA 50401-5489

Other providers in Mason City