David Lieu, M.D.
NPI 1912966680 · Cytopathology Physician · Alhambra, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Lieu, M.D. is a Cytopathology Physician provider in Alhambra, CA (NPI 1912966680).
Provider details
- NPI number
- 1912966680
- Entity type
- Individual
- Primary specialty
- Cytopathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G42121 (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
20 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
639 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) |
|---|---|---|
| Fine Needle Aspiration Biopsy Using Ultrasound Guidance, First Growth10005 | 200 | $131 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 196 | $74 |
| Fine Needle Aspiration Biopsy Using Ultrasound Guidance, Each Additional Growth10006 | 106 | $59 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 99 | $117 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 25 | $58 |
| Biopsy of Breast and Placement of Locating Device Using Ultrasound, First Growth19083 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-21
- Last updated
- 2008-03-03
Frequently asked questions
- What is David Lieu's NPI number?
- David Lieu's National Provider Identifier (NPI) is 1912966680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Lieu's specialty?
- David Lieu is listed in the NPPES registry with a primary specialty of Cytopathology Physician (Allopathic & Osteopathic Physicians).
- Where is David Lieu located?
- David Lieu's practice location on file with NPPES is 320 S Garfield Ave, Alhambra, CA 91801-3886.
- What is David Lieu's phone number?
- The practice phone number listed in the NPPES registry for David Lieu is (626) 281-7800.
- Does David Lieu accept Medicare?
- David Lieu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Lieu's NPI active?
- Yes — David Lieu's NPI (1912966680) is active in the NPPES registry as of the last update on 2008-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.