Ian Ch'En, MD
NPI 1174527121 · Diagnostic Radiology Physician · Lynnwood, WA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Ch'En, MD is a Diagnostic Radiology Physician provider in Lynnwood, WA (NPI 1174527121).
Provider details
- NPI number
- 1174527121
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00033869 (WA)
Specialties & taxonomies
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
21 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
1,063 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) |
|---|---|---|
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 244 | $88 |
| Ct Scan of Chest With Contrast71260 | 128 | $54 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 56 | $27 |
| Limited Ultrasound Scan of Abdomen76705 | 55 | $27 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 54 | $224 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 54 |
Practice location
Mailing address
Additional practice locations (1)
- 203 S Western AveTonasket, WA 98855-8803Phone: (509) 486-2151Fax: (509) 223-1640
Registry dates
- Enumerated
- 2005-06-08
- Last updated
- 2026-03-05
- Certified
- 2026-03-05
Frequently asked questions
- What is Ian Ch'En's NPI number?
- Ian Ch'En's National Provider Identifier (NPI) is 1174527121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Ch'En's specialty?
- Ian Ch'En is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Ch'En located?
- Ian Ch'En's practice location on file with NPPES is 19020 33rd Ave W Ste 210, Lynnwood, WA 98036.
- What is Ian Ch'En's phone number?
- The practice phone number listed in the NPPES registry for Ian Ch'En is (425) 563-1500.
- Does Ian Ch'En accept Medicare?
- Ian Ch'En is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Ch'En's NPI active?
- Yes — Ian Ch'En's NPI (1174527121) is active in the NPPES registry as of the last update on 2026-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.