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

Dr. Mark D Westfall, DO

Individual provider Emergency Medicine Physician · NPI 1174566939

Dr. Mark D Westfall, DO is an Emergency Medicine Physician in Neenah, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
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.

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Practice location Address checks out

130 2nd St
Neenah, WI 54956-2883
Phone: (920) 729-3100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 38501-21 (WI)

Record details

NPI number1174566939
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 13, 2006
Last updated in NPPESJuly 9, 2007
Mailing address200 E Washington St, P O Box 8031, Appleton, WI 54911-5490

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