Kevin Hsu, DO
NPI 1225665391 · Family Medicine Physician · Downey, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kevin Hsu, DO is a Family Medicine Physician provider in Downey, CA (NPI 1225665391).
Provider details
- NPI number
- 1225665391
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A20503 (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
6 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
713 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 406 | $81 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 160 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 81 | $99 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 35 | $131 |
| Urinalysis, Manual Test81002 | 18 | $3 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 49 | 49 |
| Azithromycin | 36 | 36 |
| Ondansetronbrand: Ondansetron Odt | 31 | 31 |
| Furosemide | 28 | 28 |
| Levofloxacin | 27 | 27 |
| Prednisone | 20 | 20 |
| Amlodipine Besylate | 19 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-26
- Last updated
- 2026-05-06
- Certified
- 2026-05-06
Frequently asked questions
- What is Kevin Hsu's NPI number?
- Kevin Hsu's National Provider Identifier (NPI) is 1225665391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kevin Hsu's specialty?
- Kevin Hsu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kevin Hsu located?
- Kevin Hsu's practice location on file with NPPES is 11500 Brookshire Ave, Downey, CA 90241-4917.
- What is Kevin Hsu's phone number?
- The practice phone number listed in the NPPES registry for Kevin Hsu is (562) 904-5000.
- Does Kevin Hsu accept Medicare?
- Kevin Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kevin Hsu's NPI active?
- Yes — Kevin Hsu's NPI (1225665391) is active in the NPPES registry as of the last update on 2026-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.