Eric Lieu
NPI 1689137564 · Emergency Medicine Physician · Newark, DE
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Lieu is a Emergency Medicine Physician provider in Newark, DE (NPI 1689137564).
Provider details
- NPI number
- 1689137564
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 314731-01 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 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
394 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 135 | $179 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 118 | $122 |
| Critical Care, First 30-74 Minutes99291 | 77 | $217 |
| Ultrasound of Heart, Follow-Up93308 | 39 | $25 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 14 | $133 |
| Ultrasound Scan of Chest76604 | 11 | $27 |
Practice location
Mailing address
Additional practice locations (1)
- 501 W 14th StWilmington, DE 19801-1013Phone: (302) 733-1000
Registry dates
- Enumerated
- 2019-04-09
- Last updated
- 2024-03-17
- Certified
- 2024-03-17
Frequently asked questions
- What is Eric Lieu's NPI number?
- Eric Lieu's National Provider Identifier (NPI) is 1689137564, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Lieu's specialty?
- Eric Lieu is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Lieu located?
- Eric Lieu's practice location on file with NPPES is 4755 Ogletown Stanton Rd, Newark, DE 19718-2200.
- What is Eric Lieu's phone number?
- The practice phone number listed in the NPPES registry for Eric Lieu is (302) 733-1000.
- Does Eric Lieu accept Medicare?
- Eric Lieu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Lieu's NPI active?
- Yes — Eric Lieu's NPI (1689137564) is active in the NPPES registry as of the last update on 2024-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.