Hoiwan Cheung
NPI 1861923351 · Diagnostic Radiology Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hoiwan Cheung is a Diagnostic Radiology Physician provider in Oakland, CA (NPI 1861923351).
Provider details
- NPI number
- 1861923351
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,066 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 | 176 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 101 | $85 |
| X-Ray of Chest, 2 Views71046 | 58 | $10 |
| Mri Scan of Leg Joint Without Contrast73721 | 53 | $64 |
| Ct Scan of Chest With Contrast71260 | 41 | $53 |
| X-Ray of Abdomen, 1 View74018 | 40 | $9 |
Practice location
Mailing address
Additional practice locations (1)
- 211 Ne Skyline DrWhite Salmon, WA 98672-1948Phone: (509) 493-1101
Registry dates
- Enumerated
- 2017-03-25
- Last updated
- 2023-04-12
- Certified
- 2023-04-12
Frequently asked questions
- What is Hoiwan Cheung's NPI number?
- Hoiwan Cheung's National Provider Identifier (NPI) is 1861923351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hoiwan Cheung's specialty?
- Hoiwan Cheung is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Hoiwan Cheung located?
- Hoiwan Cheung's practice location on file with NPPES is 3600 Broadway, 4th Fl., Suite 43, Oakland, CA 94611.
- What is Hoiwan Cheung's phone number?
- The practice phone number listed in the NPPES registry for Hoiwan Cheung is (510) 752-1933.
- Does Hoiwan Cheung accept Medicare?
- Hoiwan Cheung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hoiwan Cheung's NPI active?
- Yes — Hoiwan Cheung's NPI (1861923351) is active in the NPPES registry as of the last update on 2023-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.