Hannah Chang, MD
NPI 1134135288 · Neuroradiology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hannah Chang, MD is a Neuroradiology Physician provider in Sacramento, CA (NPI 1134135288).
Provider details
- NPI number
- 1134135288
- Entity type
- Individual
- Primary specialty
- Neuroradiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 35094059 (OH)
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
19 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
141 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 40 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 27 | $41 |
| Mri Scan of Brain Without Contrast70551 | 26 | $71 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 19 | $81 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 16 | $84 |
| X-Ray of Chest, 2 Views71046 | 13 | $11 |
Typical Medicare-allowed amounts for these services range $9–$84 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 across 1 record (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
- 2006-07-31
- Last updated
- 2021-12-22
Frequently asked questions
- What is Hannah Chang's NPI number?
- Hannah Chang's National Provider Identifier (NPI) is 1134135288, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hannah Chang's specialty?
- Hannah Chang is listed in the NPPES registry with a primary specialty of Neuroradiology Physician (Allopathic & Osteopathic Physicians).
- Where is Hannah Chang located?
- Hannah Chang's practice location on file with NPPES is 6600 Bruceville Rd, Sacramento, CA 95823-4671.
- What is Hannah Chang's phone number?
- The practice phone number listed in the NPPES registry for Hannah Chang is (419) 423-5429.
- Does Hannah Chang accept Medicare?
- Hannah Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hannah Chang's NPI active?
- Yes — Hannah Chang's NPI (1134135288) is active in the NPPES registry as of the last update on 2021-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.