Richard Chang, M.D.
NPI 1154384311 · Diagnostic Radiology Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Chang, M.D. is a Diagnostic Radiology Physician provider in Santa Monica, CA (NPI 1154384311).
Provider details
- NPI number
- 1154384311
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A73466 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2,034 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) |
|---|---|---|
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 376 | $10 |
| X-Ray of Knee, 4 Or More Views73564 | 119 | $12 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 119 | $10 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 108 | $10 |
| X-Ray of Hip, 2-3 Views73502 | 99 | $11 |
| X-Ray of Chest, 1 View71045 | 90 | $9 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$82 across 3 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
- 2006-04-10
- Last updated
- 2025-03-14
- Certified
- 2025-03-14
Frequently asked questions
- What is Richard Chang's NPI number?
- Richard Chang's National Provider Identifier (NPI) is 1154384311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Chang's specialty?
- Richard Chang is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Chang located?
- Richard Chang's practice location on file with NPPES is 344 18th St, Santa Monica, CA 90402-2406.
- What is Richard Chang's phone number?
- The practice phone number listed in the NPPES registry for Richard Chang is (310) 260-8581.
- Does Richard Chang accept Medicare?
- Richard Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Chang's NPI active?
- Yes — Richard Chang's NPI (1154384311) is active in the NPPES registry as of the last update on 2025-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.