Jonathan Mou Jun Shiau, M.D.
Urology Physician · Newport Beach, CA
Jonathan Mou Jun Shiau, M.D. is a urology physician with a practice address in Newport Beach, California, and NPI 1134407166, issued on Jul 25, 2011. Check the license (California 143632, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jonathan Mou Jun Shiau
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 143632 CA
Self-reported in NPPES; status is on the state search - Practice location
- 280 Newport Center Dr Ste 235, Newport Beach, CA 92660
- Phone
- (949) 593-6797
- Enumerated
- Jul 25, 2011
- Record last updated
- Mar 23, 2026
- Fax
- (949) 276-3221
- Medicaid ID
- 1134407166 WI
- Medicare enrollment
- Enrolled (PECOS I20160831002404); may accept Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,524 in California → Look up another NPI →
Verify Jonathan Mou Jun Shiau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 143632Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average urology physician in 2024
4,003 Medicare Part D claims for 827 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 26 claims were for opioids.
Most prescribed
- Tamsulosin Hcl1,267 claims
- Finasteride808 claims
- Myrbetriq322 claims
- Oxybutynin Chloride Er255 claims
- Tolterodine Tartrate Er171 claims
- Solifenacin Succinate150 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.
Bills Medicare through 4 group practices
- Adventist Health Physicians NetworkHanford, CA
- Andrew Nguyen DO A Professional Medical CorporationNewport Beach, CA
- Central Valley General HospitalHanford, CA
- Healthcare Partners Affiliates Medical GroupHuntington Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Mou Jun Shiau among 1,524 urology physician records in California
Jonathan Mou Jun Shiau, M.D. is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 69% of them.
- NPI issued2011 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2011 · median 2003 among the 1,049 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
All 1,524 in California → Every provider in Newport Beach → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Robert Bae, M.D.Newport Beach, CA 926601467433326
- Cu Phan, M.D.Newport Beach, CA 926601417003633
- Jeffrey Bassett, M.D., M.P.H.Newport Beach, CA 926631174718399
- Adam Blatt, MDNewport Beach, CA 926631942451992
- Jill Byers, MEDICAL DOCTORNewport Beach, CA 926631902846629
- Nathan Colon, MDNewport Beach, CA 926631275067142
- Paul Deridder, MDNewport Beach, CA 926631871877134
- Lauren Fanning, M.D.Newport Beach, CA 926631265696298
Common questions
What is Jonathan Mou Jun Shiau, M.D.'s NPI number?
Jonathan Mou Jun Shiau, M.D.'s National Provider Identifier (NPI) is 1134407166, issued on Jul 25, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Mou Jun Shiau, M.D. located?
The NPPES record lists a practice address at 280 Newport Center Dr Ste 235, Newport Beach, CA, 92660. Phone: (949) 593-6797. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Mou Jun Shiau, M.D.'s license?
NPPES lists California license number 143632, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathan Mou Jun Shiau, M.D. prescribe under Medicare Part D?
In 2024, Jonathan Mou Jun Shiau, M.D. had 4,003 Medicare Part D claims for 827 beneficiaries; the average among urology physician prescribers was 1,340. 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.