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

Dr. Clark L Williams, MD

Individual provider Emergency Medicine Physician · NPI 1710911417

Dr. Clark L Williams, MD is an Emergency Medicine in Lancaster, Wisconsin. Graduated from University of Wisconsin School of Medicine in 1999, 27 years ago. Practices with Central Community Hospital, a 17-clinician group and accepts Medicare assignment. Licensed in Iowa and Wisconsin.

Years since qualifying
27
Trained at
University of Wisconsin School of Medicine
Licensed in
IA, WI
In the registry since
2006
Specialties on file
2
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

507 S Monroe St
Lancaster, WI 53813-2054
Phone: (608) 723-2143
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 42618 (WI)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 37010 (IA)

Record details

NPI number1710911417
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 10, 2006
Last updated in NPPESSeptember 3, 2024
Certification dateSeptember 3, 2024

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Central Community Hospital — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount