Andrew Yen, M.D.
NPI 1942499116 · Diagnostic Radiology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Yen, M.D. is a Diagnostic Radiology Physician provider in San Diego, CA (NPI 1942499116).
Provider details
- NPI number
- 1942499116
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A89413 (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
18 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
1,726 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 | 1,117 | $9 |
| Ct Scan of Chest With Contrast71260 | 203 | $54 |
| X-Ray of Chest, 2 Views71046 | 175 | $11 |
| Ct Scan of Chest Without Contrast71250 | 105 | $51 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 84 | $86 |
| X-Ray of Chest, 2 Views71046 | 42 | $38 |
Typical Medicare-allowed amounts for these services range $9–$86 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-10-23
- Last updated
- 2020-04-17
- Certified
- 2020-04-17
Frequently asked questions
- What is Andrew Yen's NPI number?
- Andrew Yen's National Provider Identifier (NPI) is 1942499116, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Yen's specialty?
- Andrew Yen is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Yen located?
- Andrew Yen's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Andrew Yen's phone number?
- The practice phone number listed in the NPPES registry for Andrew Yen is (800) 926-8273.
- Does Andrew Yen accept Medicare?
- Andrew Yen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Yen's NPI active?
- Yes — Andrew Yen's NPI (1942499116) is active in the NPPES registry as of the last update on 2020-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.