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

Dr. Andrew Pfaffenbach, MD

Individual provider Internal Medicine Physician · NPI 1740654862

Dr. Andrew Pfaffenbach, MD is an Internal Medicine in Appleton, Wisconsin. Graduated from University of Wisconsin School of Medicine in 1997, 29 years ago. Practices with Thedacare, Incorporated, a 654-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
29
Trained at
University of Wisconsin School of Medicine
Licensed in
WI
In the registry since
2015
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

2500 E Capitol Dr
Appleton, WI 54911-8735
Phone: (920) 731-5811
Fax: (920) 738-6293
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2693 W Grand Chute Blvd, Appleton, WI 54913-9617 — (920) 931-1107
  • 200 Theda Clark Medical Plz, Neenah, WI 54956-2721 — (920) 727-9650

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 40300-020 (WI)

Record details

NPI number1740654862
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 1, 2015
Last updated in NPPESSeptember 7, 2022
Certification dateSeptember 7, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Thedacare, Incorporated — 654 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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