Hsien-Wen Hsu, M.D.
NPI 1548209646 · Pulmonary Disease Physician · Pittsburg, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hsien-Wen Hsu, M.D. is a Pulmonary Disease Physician provider in Pittsburg, CA (NPI 1548209646).
Provider details
- NPI number
- 1548209646
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A82612 (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
3,322 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 1,540 | $129 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 550 | $151 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 447 | $189 |
| Critical Care, First 30-74 Minutes99291 | 261 | $226 |
| Critical Care, Each Additional 30 Minutes99292 | 154 | $114 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 61 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 436 | 108 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 290 | 106 |
| Azithromycin | 222 | 123 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 168 | 43 |
| Prednisone | 121 | 70 |
| Roflumilast | 103 | 33 |
| Montelukast Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$694 across 6 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
- 2006-06-05
- Last updated
- 2010-06-01
Frequently asked questions
- What is Hsien-Wen Hsu's NPI number?
- Hsien-Wen Hsu's National Provider Identifier (NPI) is 1548209646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hsien-Wen Hsu's specialty?
- Hsien-Wen Hsu is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Hsien-Wen Hsu located?
- Hsien-Wen Hsu's practice location on file with NPPES is 2220 Gladstone Dr, Pittsburg, CA 94565-5123.
- What is Hsien-Wen Hsu's phone number?
- The practice phone number listed in the NPPES registry for Hsien-Wen Hsu is (925) 432-3318.
- Does Hsien-Wen Hsu accept Medicare?
- Hsien-Wen Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hsien-Wen Hsu's NPI active?
- Yes — Hsien-Wen Hsu's NPI (1548209646) is active in the NPPES registry as of the last update on 2010-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.