Quest Diagnostics Incorporated
NPI 1043256886 · Clinical Medical Laboratory · Las Vegas, NV
Enrolled with Medicare as Part B Supplier - Independent Clinical Laboratory · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quest Diagnostics Incorporated is a Clinical Medical Laboratory organization in Las Vegas, NV (NPI 1043256886).
Provider details
- NPI number
- 1043256886
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Parent organization
- Quest Diagnostics Incorporated
- Organization subpart
- Yes
- Authorized official
- Leah Timmerman, Vice President(973) 520-2700
- License
- 29D0652720 (NV)
Specialties & taxonomies
Laboratories
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
1,526,421 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 165,517 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 130,473 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 105,113 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 93,210 | $13 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 75,358 | $16 |
| Hemoglobin A1c Level83036 | 72,985 | $10 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-21
- Last updated
- 2025-07-23
- Certified
- 2025-07-23
Frequently asked questions
- What is Quest Diagnostics Incorporated's NPI number?
- Quest Diagnostics Incorporated's National Provider Identifier (NPI) is 1043256886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Quest Diagnostics Incorporated?
- Quest Diagnostics Incorporated is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Quest Diagnostics Incorporated located?
- Quest Diagnostics Incorporated's practice location on file with NPPES is 4230 South Burnham Ave, Las Vegas, NV 89119-5408.
- What is Quest Diagnostics Incorporated's phone number?
- The practice phone number listed in the NPPES registry for Quest Diagnostics Incorporated is (702) 733-7866.
- Does Quest Diagnostics Incorporated accept Medicare?
- Quest Diagnostics Incorporated 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 Quest Diagnostics Incorporated?
- The authorized official listed on Quest Diagnostics Incorporated's NPPES record is Leah Timmerman, Vice President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Quest Diagnostics Incorporated's NPI active?
- Yes — Quest Diagnostics Incorporated's NPI (1043256886) is active in the NPPES registry as of the last update on 2025-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.