Edwina Chang, MD
NPI 1861819823 · Body Imaging Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Edwina Chang, MD is a Body Imaging Physician provider in Stanford, CA (NPI 1861819823).
Provider details
- NPI number
- 1861819823
- Entity type
- Individual
- Primary specialty
- Body Imaging PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 125.065581 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,679 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 | 331 | $9 |
| Screening Mammography77067 | 264 | $37 |
| Screening 3d Breast Mammography77063 | 248 | $29 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 236 | $90 |
| Complete Ultrasound Scan of Abdomen76700 | 151 | $40 |
| Ct Scan of Chest Without Contrast71250 | 143 | $52 |
Practice location
Mailing address
Additional practice locations (1)
- 5841 S Maryland AveMc2026Chicago, IL 60637-1447Phone: (773) 702-3550
Registry dates
- Enumerated
- 2014-03-27
- Last updated
- 2024-04-05
- Certified
- 2024-04-05
Frequently asked questions
- What is Edwina Chang's NPI number?
- Edwina Chang's National Provider Identifier (NPI) is 1861819823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Edwina Chang's specialty?
- Edwina Chang is listed in the NPPES registry with a primary specialty of Body Imaging Physician (Allopathic & Osteopathic Physicians).
- Where is Edwina Chang located?
- Edwina Chang's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Edwina Chang's phone number?
- The practice phone number listed in the NPPES registry for Edwina Chang is (650) 723-4000.
- Does Edwina Chang accept Medicare?
- Edwina Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Edwina Chang's NPI active?
- Yes — Edwina Chang's NPI (1861819823) is active in the NPPES registry as of the last update on 2024-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.