Lab One LLC
NPI 1639417140 · Clinical Medical Laboratory · Fairfield, IL
Enrolled with Medicare as Part B Supplier - Independent Clinical Laboratory · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lab One LLC is a Clinical Medical Laboratory organization in Fairfield, IL (NPI 1639417140).
Provider details
- NPI number
- 1639417140
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Parent organization
- Quest Diagnostics Incorporated
- Organization subpart
- Yes
- Authorized official
- Charles Bowles, Vice President(610) 454-6000
Specialties & taxonomies
Laboratories
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 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
6,934 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,605 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 1,328 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 1,037 | $13 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 385 | $50 |
| Screening Cytopathology, Cervical Or Vaginal (any Reporting System), Collected in Preservative Fluid, Automated Thin Layer Preparation, With Screening By Automated System and Manual Rescreening Under Physician SupervisionG0145 | 360 | $26 |
| Insertion of Needle Into Vein for Collection of Blood Sample |
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Quest Diagnostics
- Doing business as
- Quest Diagnostics
Registry dates
- Enumerated
- 2013-01-18
- Last updated
- 2018-12-11
Frequently asked questions
- What is Lab One LLC's NPI number?
- Lab One LLC's National Provider Identifier (NPI) is 1639417140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Lab One LLC?
- Lab One LLC is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Lab One LLC located?
- Lab One LLC's practice location on file with NPPES is 209 Nw 11th St, Fairfield, IL 62837-1218.
- What is Lab One LLC's phone number?
- The practice phone number listed in the NPPES registry for Lab One LLC is (618) 842-4470.
- Does Lab One LLC accept Medicare?
- Lab One 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 Lab One LLC?
- The authorized official listed on Lab One LLC's NPPES record is Charles Bowles, Vice President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Lab One LLC's NPI active?
- Yes — Lab One LLC's NPI (1639417140) is active in the NPPES registry as of the last update on 2018-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.