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

Dr. William B Paltzer, MD

Individual provider Family Medicine Physician · NPI 1578665873

Dr. William B Paltzer, 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

1000 4th St SW
Mason City, IA 50401-2800
Phone: (641) 428-6999
Fax: (641) 428-6678
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 23627 (IA)

Record details

NPI number1578665873
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 5, 2006
Last updated in NPPESSeptember 7, 2022
Certification dateSeptember 7, 2022
Mailing address621 S Illinois Ave, Suite 103, Mason City, IA 50401-5489

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