L&l Diagnostics LLC
NPI 1821679317 · Clinical Medical Laboratory · Covina, CA
Enrolled with Medicare as Part B Supplier - Independent Clinical Laboratory · source: CMS PECOS Public Provider Enrollment (2026.04.01)
L&l Diagnostics LLC is a Clinical Medical Laboratory organization in Covina, CA (NPI 1821679317).
Provider details
- NPI number
- 1821679317
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Gia Lee, President(626) 598-4706
Specialties & taxonomies
Laboratories
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 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
95,851 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) |
|---|---|---|
| Detection Test By Nucleic Acid for Organism, Amplified Probe Technique87798 | 39,483 | $34 |
| Detection Test for Candida Species (yeast), Amplified Probe Technique87481 | 10,696 | $34 |
| Detection Test By Nucleic Acid for Staphylococcus Aureus (bacteria), Amplified Probe Technique87640 | 3,093 | $34 |
| Measurement of Antibody (ige) to Allergic Substance, Crude Allergen Extract, Each86003 | 2,487 | $5 |
| Detection Test By Nucleic Acid for Herpes Simplex Virus, Amplified Probe Technique87529 | 2,380 | $34 |
| Detection Test By Nucleic Acid for Strep (streptococcus, Group B), Amplified Probe Technique87653 | 2,061 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-04-16
- Last updated
- 2021-05-05
- Certified
- 2021-05-05
Frequently asked questions
- What is L&l Diagnostics LLC's NPI number?
- L&l Diagnostics LLC's National Provider Identifier (NPI) is 1821679317, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is L&l Diagnostics LLC?
- L&l Diagnostics LLC is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is L&l Diagnostics LLC located?
- L&l Diagnostics LLC's practice location on file with NPPES is 908 N Citrus Ave, Covina, CA 91722-2737.
- What is L&l Diagnostics LLC's phone number?
- The practice phone number listed in the NPPES registry for L&l Diagnostics LLC is (626) 598-4706.
- Does L&l Diagnostics LLC accept Medicare?
- L&l Diagnostics LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for L&l Diagnostics LLC?
- The authorized official listed on L&l Diagnostics LLC's NPPES record is Gia Lee, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is L&l Diagnostics LLC's NPI active?
- Yes — L&l Diagnostics LLC's NPI (1821679317) is active in the NPPES registry as of the last update on 2021-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.