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

Dr. John W Seifert, DO

Individual provider Anesthesiology Physician · NPI 1205802931

Dr. John W Seifert, DO is an Anesthesiology Physician in Willmar, Minnesota. Licensed in Minnesota. Registered with an NPI since 2006.

Licensed in
MN
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

101 Willmar Ave SW
Willmar, MN 56201-3556
Phone: (320) 231-5000
Fax: (320) 231-5067
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 35313 (MN)

Record details

NPI number1205802931
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedFebruary 23, 2006
Last updated in NPPESJuly 13, 2026
Mailing address101 Willmar Ave Sw, Willmar, MN 56201-3556

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