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

Individual provider Orthopaedic Surgery Physician · NPI 1588617211

Dr. David Charles Ritzow, MD is an Orthopedic Surgery in Appleton, Wisconsin. Graduated from University of Wisconsin School of Medicine in 1992, 34 years ago. Practices with Orthopedic and Sports Institute of the Fox Valley S C, a 13-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
34
Trained at
University of Wisconsin School of Medicine
Licensed in
WI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2105 E Enterprise Ave Ste 111
Appleton, WI 54913
Phone: (920) 731-6611
Fax: (920) 731-6732
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 39990 (WI)

Record details

NPI number1588617211
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 17, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Also practisesSPORTS MEDICINE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice Orthopedic And Sports Institute Of The Fox Valley S C — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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