Paul Hsiang, MD
NPI 1841367679 · Family Medicine Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Hsiang, MD is a Family Medicine Physician provider in Riverside, CA (NPI 1841367679).
Provider details
- NPI number
- 1841367679
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A62783 (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
19 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
31 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 16 | $95 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 15 | $58 |
Typical Medicare-allowed amounts for these services range $58–$95 (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 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 647 | 239 |
| Lisinopril | 333 | 107 |
| Amlodipine Besylate | 313 | 107 |
| Levothyroxine Sodium | 238 | 75 |
| Losartan Potassium | 220 | 77 |
| Metformin Hclbrand: Metformin Hcl Er | 204 | 71 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2021-12-17
Frequently asked questions
- What is Paul Hsiang's NPI number?
- Paul Hsiang's National Provider Identifier (NPI) is 1841367679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Hsiang's specialty?
- Paul Hsiang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Hsiang located?
- Paul Hsiang's practice location on file with NPPES is 10800 Magnolia Ave, Riverside, CA 92505-3043.
- What is Paul Hsiang's phone number?
- The practice phone number listed in the NPPES registry for Paul Hsiang is (909) 353-2000.
- Does Paul Hsiang accept Medicare?
- Paul Hsiang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Hsiang's NPI active?
- Yes — Paul Hsiang's NPI (1841367679) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.