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

Dr. David John Portmann, DC

Individual provider Chiropractor · NPI 1073534616

Dr. David John Portmann, DC is a Chiropractic in Howards Grove, Wisconsin. Graduated from Northwestern College of Chiropractic in 2000, 26 years ago. Accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
26
Trained at
Northwestern College of Chiropractic
Licensed in
WI
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

516 S Wisconsin Dr
Howards Grove, WI 53083-1261
Phone: (920) 565-3922
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 3724 (WI)

Record details

NPI number1073534616
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedJuly 21, 2006
Last updated in NPPESJuly 8, 2007
Mailing address516 S Wisconsin Dr, Howards Grove, WI 53083-1261

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Medical schoolNORTHWESTERN COLLEGE OF CHIROPRACTIC
Graduated 2000 (26 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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