Ryan Hsi, M.D.
NPI 1043451073 · Urology Physician · Orange, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Hsi, M.D. is a Urology Physician provider in Orange, CA (NPI 1043451073).
Provider details
- NPI number
- 1043451073
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 54165 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
478 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 | 69 | $65 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 55 | $94 |
| Simple Removal of Foreign Body, Stone, Or Stent in Urethra Or Bladder Using an Endoscope52310 | 49 | $137 |
| Imaging of Urinary Tract Following Injection of a Contrast Agent74420 | 46 | $24 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 41 | $124 |
| Complex Surgical Treatment of Kidney Stone With Imaging Guidance50081 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Potassium Citratebrand: Potassium Citrate Er | 80 | 25 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 62 | 47 |
| Tamsulosin Hcl | 58 | 27 |
| Indapamide | 39 | 12 |
| Potassium Chloride | 28 | — |
| Trospium Chloride | 24 | 12 |
| Cefdinir | 21 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$152 across 1 record (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
Additional practice locations (1)
- 3601 the Vanderbilt ClinicNashville, TN 37232-5100Phone: (615) 322-3000
Registry dates
- Enumerated
- 2009-03-22
- Last updated
- 2025-10-01
- Certified
- 2025-10-01
Frequently asked questions
- What is Ryan Hsi's NPI number?
- Ryan Hsi's National Provider Identifier (NPI) is 1043451073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Hsi's specialty?
- Ryan Hsi is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Hsi located?
- Ryan Hsi's practice location on file with NPPES is Po Box 14091, Orange, CA 92863-1491.
- What is Ryan Hsi's phone number?
- The practice phone number listed in the NPPES registry for Ryan Hsi is (714) 456-8888.
- Does Ryan Hsi accept Medicare?
- Ryan Hsi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Hsi's NPI active?
- Yes — Ryan Hsi's NPI (1043451073) is active in the NPPES registry as of the last update on 2025-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.