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

Waitz Ngan, MD

Individual provider Internal Medicine Physician · NPI 1568662419

Waitz Ngan, MD is a Hospitalist in Milwaukee, Wisconsin. Graduated from State University of New York at Stony Brook, School of Medicine in 2007, 19 years ago. Practices with The Medical College of Wisconsin Inc, a 2,093-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
19
Trained at
State University of New York at Stony Brook, School of Medicine
Licensed in
WI
In the registry since
2007
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

9200 W Wisconsin Ave Froedtert & Medical College Pre-Op Clinic
Milwaukee, WI 53226-3522
Phone: (414) 805-6250
Fax: (414) 805-7210
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 74051 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 74051 (WI)

Record details

NPI number1568662419
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 19, 2007
Last updated in NPPESApril 12, 2023
Certification dateApril 12, 2023

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolSTATE UNIVERSITY OF NEW YORK AT STONY BROOK, SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice The Medical College Of Wisconsin Inc — 2093 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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