Victoria Hsiao, D.O.
NPI 1548523046 · Family Medicine Physician · Concord, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Victoria Hsiao, D.O. is a Family Medicine Physician provider in Concord, CA (NPI 1548523046).
Provider details
- NPI number
- 1548523046
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A12289 (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
822 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 319 | $110 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 153 | $154 |
| Urinalysis, Manual Test81002 | 98 | $3 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 60 | $67 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 43 | $132 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 36 | 35 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 33 | 33 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 29 | 26 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 28 | 28 |
| Doxycycline Hyclate | 27 | 27 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 18 | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-19
- Last updated
- 2015-04-16
Frequently asked questions
- What is Victoria Hsiao's NPI number?
- Victoria Hsiao's National Provider Identifier (NPI) is 1548523046, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Victoria Hsiao's specialty?
- Victoria Hsiao is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Victoria Hsiao located?
- Victoria Hsiao's practice location on file with NPPES is 2700 Grant St, Concord, CA 94520-2266.
- What is Victoria Hsiao's phone number?
- The practice phone number listed in the NPPES registry for Victoria Hsiao is (925) 674-2500.
- Does Victoria Hsiao accept Medicare?
- Victoria Hsiao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Victoria Hsiao's NPI active?
- Yes — Victoria Hsiao's NPI (1548523046) is active in the NPPES registry as of the last update on 2015-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.