Jonathan Shiau, M.D.
NPI 1134407166 · Urology Physician · Newport Beach, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Shiau, M.D. is a Urology Physician provider in Newport Beach, CA (NPI 1134407166).
Provider details
- NPI number
- 1134407166
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 143632 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
408 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Urinalysis, Manual Test81002 | 134 | $3 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 108 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 102 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 51 | $139 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 13 | $120 |
Typical Medicare-allowed amounts for these services range $3–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 1,267 | 433 |
| Finasteride | 808 | 270 |
| Mirabegronbrand: Myrbetriq | 322 | 106 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 255 | 98 |
| Tolterodine Tartratebrand: Tolterodine Tartrate Er | 171 | 74 |
| Solifenacin Succinate | 150 | 72 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-07-25
- Last updated
- 2026-03-23
- Certified
- 2026-03-23
Frequently asked questions
- What is Jonathan Shiau's NPI number?
- Jonathan Shiau's National Provider Identifier (NPI) is 1134407166, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Shiau's specialty?
- Jonathan Shiau is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Shiau located?
- Jonathan Shiau's practice location on file with NPPES is 280 Newport Center Dr Ste 235, Newport Beach, CA 92660-7524.
- What is Jonathan Shiau's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Shiau is (949) 593-6797.
- Does Jonathan Shiau accept Medicare?
- Jonathan Shiau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Shiau's NPI active?
- Yes — Jonathan Shiau's NPI (1134407166) is active in the NPPES registry as of the last update on 2026-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.