Lien Doan, MD
NPI 1740518547 · Diagnostic Radiology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lien Doan, MD is a Diagnostic Radiology Physician provider in San Diego, CA (NPI 1740518547).
Provider details
- NPI number
- 1740518547
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A110184 (CA)
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
16 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
2,420 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 | 204 | $87 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 204 | $36 |
| Ct Scan Head Or Brain Without Contrast70450 | 186 | $40 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 158 | $21 |
| Ct Scan of Upper Spine Without Contrast72125 | 145 | $48 |
| Ct Scan of Chest With Contrast71260 | 141 | $53 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-12-07
- Last updated
- 2021-12-29
- Certified
- 2021-12-29
Frequently asked questions
- What is Lien Doan's NPI number?
- Lien Doan's National Provider Identifier (NPI) is 1740518547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lien Doan's specialty?
- Lien Doan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Lien Doan located?
- Lien Doan's practice location on file with NPPES is 13280 Evening Creek Dr S, San Diego, CA 92128-4101.
- What is Lien Doan's phone number?
- The practice phone number listed in the NPPES registry for Lien Doan is (858) 546-3800.
- Does Lien Doan accept Medicare?
- Lien Doan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lien Doan's NPI active?
- Yes — Lien Doan's NPI (1740518547) is active in the NPPES registry as of the last update on 2021-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.