Shih-Wen Chang, MD
NPI 1629084579 · Pulmonary Disease Physician · West Allis, WI
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shih-Wen Chang, MD is a Pulmonary Disease Physician provider in West Allis, WI (NPI 1629084579).
Provider details
- NPI number
- 1629084579
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 33943-20 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
263 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 223 | $205 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 40 | $73 |
Typical Medicare-allowed amounts for these services range $73–$205 (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 · 6 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 50 | 19 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 41 | 13 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 16 | — |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 13 | — |
| Montelukast Sodium | 13 | — |
| Fluticasone Propion/Salmeterolbrand: Wixela Inhub | 12 | — |
Practice location
Mailing address
Additional practice locations (3)
- 520 Katherine CirDekalb, IL 60115-8233Phone: (815) 895-0555
- 3200 E Racine StJanesville, WI 53546-2343Phone: (608) 371-8000Fax: (608) 371-8941
- 700 S Park StMadison, WI 53715-1830Phone: (608) 251-6100Fax: (608) 260-2951
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2024-12-23
- Certified
- 2024-12-23
Frequently asked questions
- What is Shih-Wen Chang's NPI number?
- Shih-Wen Chang's National Provider Identifier (NPI) is 1629084579, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shih-Wen Chang's specialty?
- Shih-Wen Chang is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Shih-Wen Chang located?
- Shih-Wen Chang's practice location on file with NPPES is 2424 S 90th St Fl 3, West Allis, WI 53227-2455.
- What is Shih-Wen Chang's phone number?
- The practice phone number listed in the NPPES registry for Shih-Wen Chang is (414) 328-8150.
- Does Shih-Wen Chang accept Medicare?
- Shih-Wen Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shih-Wen Chang's NPI active?
- Yes — Shih-Wen Chang's NPI (1629084579) is active in the NPPES registry as of the last update on 2024-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.