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

Michael A Witcik, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1568625713

Michael A Witcik, MD is an Internal Medicine in LA Crosse, Wisconsin. Qualified in 2007, 19 years ago. Practices with Gundersen Clinic Ltd, a 427-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
19
Licensed in
WI
In the registry since
2008
Specialties on file
3
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

1836 S Ave
LA Crosse, WI 54601-5429
Phone: (608) 782-7300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 52621 (WI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Internal Medicine Physician Taxonomy 207R00000X · Licence 52621 (WI)

Record details

NPI number1568625713
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 8, 2008
Last updated in NPPESDecember 23, 2013
Mailing address1836 South Ave, La Crosse, WI 54601-5429

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Gundersen Clinic Ltd — 427 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations34 on file with Medicare

Other providers in LA Crosse