Kevin Chiayu Chan, D.O.
Hospitalist Physician · Waukesha, WI
Kevin Chiayu Chan, D.O. is a hospitalist physician with a practice address in Waukesha, Wisconsin, and NPI 1619363017, issued on Apr 13, 2015. Check the license (Wisconsin 68954, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kevin Chiayu Chan
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 68954 WI
Self-reported in NPPES; status is on the state search - Practice location
- 725 American Ave, Waukesha, WI 53188
- Phone
- (262) 928-5400
- Enumerated
- Apr 13, 2015
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 894 in Wisconsin → Look up another NPI →
Also registered at 725 American Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Heather AvelloneFamily Nurse Practitioner1114499001
- Mark Bakalars, M.D.Vascular & Interventional Radiology Physician1174518724
- Lisa BakerAdult Health Nurse Practitioner1588973275
- Melissa Becker, PA-CPhysician Assistant1780132944
Verify Kevin Chiayu Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 68954Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average hospitalist physician in 2024
324 Medicare Part D claims for 122 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 104 claims were for opioids.
Most prescribed
- Naloxone Hcl58 claims
- Hydrocodone-Acetaminophen46 claims
- Oxycodone-Acetaminophen40 claims
- Levetiracetam27 claims
- Dexamethasone13 claims
- Methocarbamol13 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.
Kevin Chiayu Chan among 894 hospitalist physician records in Wisconsin
Kevin Chiayu Chan, D.O. 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 2015, is newer than 55% of them.
- NPI issued2015 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileNo · 86% of these records are
- Record last updated2021 · 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).
Hospitalist Physician providers in Wisconsin
There are 894 hospitalist physician records in Wisconsin.
All 894 in Wisconsin → Every provider in Waukesha → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Nabeel Beg, M.D.Waukesha, WI 531881396771069
- Viraj Dudhwala, M.D.Waukesha, WI 531881346413861
- Abraham Getenet, M.D.Waukesha, WI 531881760758569
- Harry Hostetler, M.D.Waukesha, WI 531881093775090
- Pratik Jivani, M.D.Waukesha, WI 531881598056756
- Poe Lwin, MDWaukesha, WI 531881427519230
- Krunalbhai PatelWaukesha, WI 531881154697845
- Ghanshyam Patel, MDWaukesha, WI 531881215687181
Common questions
What is Kevin Chiayu Chan, D.O.'s NPI number?
Kevin Chiayu Chan, D.O.'s National Provider Identifier (NPI) is 1619363017, issued on Apr 13, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Kevin Chiayu Chan, D.O. located?
The NPPES record lists a practice address at 725 American Ave, Waukesha, WI, 53188. Phone: (262) 928-5400. Providers update this record themselves, so call before visiting.
How can I verify Kevin Chiayu Chan, D.O.'s license?
NPPES lists Wisconsin license number 68954, 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 Kevin Chiayu Chan, D.O. prescribe under Medicare Part D?
In 2024, Kevin Chiayu Chan, D.O. had 324 Medicare Part D claims for 122 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
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.