Waitz Ngan, M.D.
Hospitalist Physician · Milwaukee, WI
Waitz Ngan, M.D. is a hospitalist physician with a practice address in Milwaukee, Wisconsin, and NPI 1568662419, issued on Jul 19, 2007. Check the license (Wisconsin 74051, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Waitz Ngan
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 74051 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 805-6250
- Enumerated
- Jul 19, 2007
- Record last updated
- Apr 12, 2023
- Fax
- (414) 805-7210
- Medicaid ID
- 1568662419 WI
- Medicare enrollment
- Enrolled (PECOS I20201112000791); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 894 in Wisconsin → Look up another NPI →
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shameem Aadam, RPHPharmacist1760755680
- Abubaker Abdalla, MDHospitalist Physician1194187617
- Sameem Abedin, MDHematology & Oncology Physician1063641157
- Lolia Abibo, M.D.Hospitalist Physician1912359795
- Haisam Abid, MBBSHospitalist Physician1578083184
- Faith Abodunrin, MDHematology & Oncology Physician1437768769
Verify Waitz Ngan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 74051Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average hospitalist physician in 2024
11 Medicare Part D claims, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Medical College OF Wisconsin IncMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Waitz Ngan among 894 hospitalist physician records in Wisconsin
Waitz Ngan, M.D. is one of 894 hospitalist physician records with a practice address in Wisconsin. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 19% of them.
- NPI issued2007 · 19% of these records are older, 75% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2007 · median 2011 among the 768 with a school on file
- Record last updated2023 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
229 hospitalist physician records list a practice address in Milwaukee
They are 229 of the 18,389 NPPES records with a practice address in Milwaukee, and 894 hospitalist physician records in Wisconsin.
All 894 in Wisconsin → Every provider in Milwaukee → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Fadi Aljabi, M.D.Milwaukee, WI 532261790890556
- Mohan Dhariwal, DOMilwaukee, WI 532261356395644
- Jennifer Freeto, MDMilwaukee, WI 532261750332607
- Jennifer Good, MDWauwatosa, WI 532261720039951
- Tristram Hill, MDMilwaukee, WI 532261619084233
- Patricia Lye, MDMilwaukee, WI 532261649222472
- Bradley Manning, M.D.Milwaukee, WI 532261881642049
- Kurt Pfeifer, MDMilwaukee, WI 532261255385241
Common questions
What is Waitz Ngan, M.D.'s NPI number?
Waitz Ngan, M.D.'s National Provider Identifier (NPI) is 1568662419, issued on Jul 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Waitz Ngan, M.D. located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-6250. Providers update this record themselves, so call before visiting.
How can I verify Waitz Ngan, M.D.'s license?
NPPES lists Wisconsin license number 74051, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Waitz Ngan, M.D. prescribe under Medicare Part D?
In 2024, Waitz Ngan, M.D. had 11 Medicare Part D claims; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Waitz Ngan, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.