Christopher Yau, MD
NPI 1134547672 · Diagnostic Radiology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Yau, MD is a Diagnostic Radiology Physician provider in San Diego, CA (NPI 1134547672).
Provider details
- NPI number
- 1134547672
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A159170 (CA)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,701 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 | 820 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 461 | $39 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 251 | $85 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 116 | $83 |
| Ct Scan of Upper Spine Without Contrast72125 | 104 | $47 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 90 | $82 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-02
- Last updated
- 2019-07-29
Frequently asked questions
- What is Christopher Yau's NPI number?
- Christopher Yau's National Provider Identifier (NPI) is 1134547672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Yau's specialty?
- Christopher Yau is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Yau located?
- Christopher Yau's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Christopher Yau's phone number?
- The practice phone number listed in the NPPES registry for Christopher Yau is (800) 926-8273.
- Does Christopher Yau accept Medicare?
- Christopher Yau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Yau's NPI active?
- Yes — Christopher Yau's NPI (1134547672) is active in the NPPES registry as of the last update on 2019-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.