Spencer Chang, M.D.
NPI 1831365261 · Diagnostic Radiology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spencer Chang, M.D. is a Diagnostic Radiology Physician provider in Houston, TX (NPI 1831365261).
Provider details
- NPI number
- 1831365261
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- M6077 (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
18 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
6,136 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 | 2,142 | $8 |
| Ct Scan of Chest Without Contrast71250 | 422 | $50 |
| X-Ray of Abdomen, 1 View74018 | 238 | $9 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 225 | $81 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 211 | $84 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 180 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-06
- Last updated
- 2011-11-29
Frequently asked questions
- What is Spencer Chang's NPI number?
- Spencer Chang's National Provider Identifier (NPI) is 1831365261, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Chang's specialty?
- Spencer Chang is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Spencer Chang located?
- Spencer Chang's practice location on file with NPPES is 12951 South Fwy, Houston, TX 77047-1923.
- What is Spencer Chang's phone number?
- The practice phone number listed in the NPPES registry for Spencer Chang is (713) 526-5771.
- Does Spencer Chang accept Medicare?
- Spencer Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spencer Chang's NPI active?
- Yes — Spencer Chang's NPI (1831365261) is active in the NPPES registry as of the last update on 2011-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.