Stephen Liaw, M.D.
NPI 1902105893 · Diagnostic Radiology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Liaw, M.D. is a Diagnostic Radiology Physician provider in Houston, TX (NPI 1902105893).
Provider details
- NPI number
- 1902105893
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- Q0495 (TX)
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
15 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
6,015 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 602 | $8 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 427 | $178 |
| Mri Scan of Leg Joint Without Contrast73721 | 364 | $187 |
| Mri Scan of Arm Joint Without Contrast73221 | 228 | $188 |
| X-Ray of Hand, Minimum of 3 Views73130 | 196 | $35 |
| Fluoroscopic Guidance for Needle Placement77002 | 186 | $108 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-03-18
- Last updated
- 2017-05-22
Frequently asked questions
- What is Stephen Liaw's NPI number?
- Stephen Liaw's National Provider Identifier (NPI) is 1902105893, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Liaw's specialty?
- Stephen Liaw is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Liaw located?
- Stephen Liaw's practice location on file with NPPES is 1 Baylor Plz, Houston, TX 77030-3411.
- What is Stephen Liaw's phone number?
- The practice phone number listed in the NPPES registry for Stephen Liaw is (713) 798-4417.
- Does Stephen Liaw accept Medicare?
- Stephen Liaw is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Liaw's NPI active?
- Yes — Stephen Liaw's NPI (1902105893) is active in the NPPES registry as of the last update on 2017-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.