Xi Zhang, MD
NPI 1679991442 · Diagnostic Radiology Physician · Lynnwood, WA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xi Zhang, MD is a Diagnostic Radiology Physician provider in Lynnwood, WA (NPI 1679991442).
Provider details
- NPI number
- 1679991442
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D86846 (MD)
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 tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,954 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 | 802 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 396 | $83 |
| Ct Scan Head Or Brain Without Contrast70450 | 271 | $38 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 215 | $83 |
| X-Ray of Chest, 2 Views71046 | 188 | $10 |
| Ct Scan of Upper Spine Without Contrast72125 | 165 | $45 |
| Ct Scan of Abdomen and Pelvis Without Contrast |
Practice location
Mailing address
Additional practice locations (2)
- 600 N Wolfe StBaltimore, MD 21287Phone: (410) 955-5000
- 1924 Alcoa HwyUtmck Department of Medicine U-114Knoxville, TN 37920-1511Phone: (865) 305-9340Fax: (865) 305-9144
Registry dates
- Enumerated
- 2014-03-31
- Last updated
- 2020-07-01
- Certified
- 2020-07-01
Frequently asked questions
- What is Xi Zhang's NPI number?
- Xi Zhang's National Provider Identifier (NPI) is 1679991442, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xi Zhang's specialty?
- Xi Zhang is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Xi Zhang located?
- Xi Zhang's practice location on file with NPPES is 19020 33rd Ave W Ste 210, Lynnwood, WA 98036-4748.
- What is Xi Zhang's phone number?
- The practice phone number listed in the NPPES registry for Xi Zhang is (425) 563-1500.
- Does Xi Zhang accept Medicare?
- Xi Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xi Zhang's NPI active?
- Yes — Xi Zhang's NPI (1679991442) is active in the NPPES registry as of the last update on 2020-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.