Stephen Chiang, M.D.
NPI 1386634269 · Diagnostic Radiology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Chiang, M.D. is a Diagnostic Radiology Physician provider in Houston, TX (NPI 1386634269).
Provider details
- NPI number
- 1386634269
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- L9137 (TX)
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
3,240 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) |
|---|---|---|
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 1,474 | $111 |
| Nuclear Medicine Study of Brain With Metabolic Evaluation78608 | 247 | $68 |
| Nuclear Medicine Study, Spect Imaging, 1 Area Or Single Acquisition, Single Day Imaging78803 | 229 | $49 |
| Nuclear Medicine Study of Lung Ventilation and Circulation78582 | 200 | $49 |
| Nuclear Medicine Study of Bone And/Or Joint Whole Body78306 | 188 | $39 |
| Nuclear Medicine Study of Stomach to Assess Emptying78264 | 131 | $37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$758 across 11 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
- 2005-10-24
- Last updated
- 2016-09-29
Frequently asked questions
- What is Stephen Chiang's NPI number?
- Stephen Chiang's National Provider Identifier (NPI) is 1386634269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Chiang's specialty?
- Stephen Chiang is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Chiang located?
- Stephen Chiang's practice location on file with NPPES is 12951 South Fwy, Houston, TX 77047-1923.
- What is Stephen Chiang's phone number?
- The practice phone number listed in the NPPES registry for Stephen Chiang is (713) 526-5771.
- Does Stephen Chiang accept Medicare?
- Stephen Chiang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Chiang's NPI active?
- Yes — Stephen Chiang's NPI (1386634269) is active in the NPPES registry as of the last update on 2016-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.