Kenneth Hsiao, MD
NPI 1265427975 · Urology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Hsiao, MD is a Urology Physician provider in Walnut Creek, CA (NPI 1265427975).
Provider details
- NPI number
- 1265427975
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A101408 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,468 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 852 | $111 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 837 | $19 |
| Unclassified DrugsJ3490 | 684 | $105 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 675 | $157 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 636 | $16 |
| Electronic Assessment of Bladder Emptying |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 1,144 | 339 |
| Finasteride | 676 | 208 |
| Mirabegronbrand: Myrbetriq | 386 | 103 |
| Vibegronbrand: Gemtesa | 270 | 82 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 207 | 70 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 165 | 55 |
| Nitrofurantoin Monohyd/M-Cryst |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,533 across 94 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-19
- Last updated
- 2025-02-07
- Certified
- 2025-02-07
Frequently asked questions
- What is Kenneth Hsiao's NPI number?
- Kenneth Hsiao's National Provider Identifier (NPI) is 1265427975, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Hsiao's specialty?
- Kenneth Hsiao is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Hsiao located?
- Kenneth Hsiao's practice location on file with NPPES is 355 Lennon Ln, Walnut Creek, CA 94598-2418.
- What is Kenneth Hsiao's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Hsiao is (925) 935-0627.
- Does Kenneth Hsiao accept Medicare?
- Kenneth Hsiao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Hsiao's NPI active?
- Yes — Kenneth Hsiao's NPI (1265427975) is active in the NPPES registry as of the last update on 2025-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.