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

Guillermo Miguel Valenzuela Cortez, MD

Individual provider Internal Medicine Physician · NPI 1710597174

Guillermo Miguel Valenzuela Cortez, MD is an Internal Medicine in Johnson Creek, Wisconsin. Qualified in 2010, 16 years ago. Practices with Fort Healthcare Inc, a 162-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Pennsylvania and Wisconsin.

Years since qualifying
16
Licensed in
PA, WI
In the registry since
2020
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

400 Doctors Ct
Johnson Creek, WI 53038-9567
Phone: (920) 699-4245
Fax: (920) 699-4748
Show map & directions

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

Additional practice locations (1)

  • 205 S Front St Ste 3c, Harrisburg, PA 17104-1619 — (717) 231-8532

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 83885-20 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence MT222042 (PA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence MT222042 (PA)

Record details

NPI number1710597174
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 31, 2020
Last updated in NPPESSeptember 23, 2024
Certification dateSeptember 23, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Fort Healthcare Inc — 162 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount