Is this your practice, Quest Diagnostics LLC? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1127 N Oakley Blvd Fl 2, Chicago, IL 60622
About Quest Diagnostics LLC
Quest Diagnostics LLC is an organization based in Chicago, IL and listed in the NPI registry under clinical medical laboratory. According to Medicare claims data, the services billed most often include hemoglobin a1c level. This provider record is associated with NPI 1568048205.
Factual summary compiled by Guide.md from public records; not written by this provider.
Practice Size
Counted from individual NPI records registered at the same street address; a shared building can inflate this.
Providers in This Building & Nearby
From registry street addresses: providers filed at this building, which can include unrelated practices sharing it.
- Katherine D. Kroll, MD Student in an Organized Health Care Education Program
- Brian San Pedro, PHARMD Pharmacist
- Adolfo M. Llano, MD Family Medicine
- Iesha D. Harris Mental Health Counselor
- Fernando F. Santaella, M.D Psychiatry
- Sara Gornish, STUDENT INTERN Student in an Organized Health Care Education Program
- Danielle Honigstein Student in an Organized Health Care Education Program
- Robert Welch Student in an Organized Health Care Education Program
- Lindsey A. Bongiorno Counselor
Showing 9 of 22. The full list is in the Related Providers tab.
Specialty
Credentials & Licensing
Contact Information
- (312) 770-2040
- Email not available
Practice Locations
1127 N OAKLEY BLVD FL 2
Chicago, IL 60622
Procedures Most Often Billed to Medicare
92 services · 55 patients · 1 distinct code
| Procedure | Type | Code | Services |
|---|---|---|---|
| Hemoglobin a1c level | Lab test | 83036 |
92 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at Quest Diagnostics LLC 7
Providers listing the same practice in the NPI registry.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What is Quest Diagnostics LLC's specialty?
Quest Diagnostics LLC is a clinical medical laboratory in Chicago, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Quest Diagnostics LLC?
Quest Diagnostics LLC is listed at 1127 N Oakley Blvd Fl 2, Chicago, IL 60622. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Quest Diagnostics LLC?
The number on file is (312) 770-2040. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Quest Diagnostics LLC?
Quest Diagnostics LLC's National Provider Identifier is 1568048205. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Quest Diagnostics LLC known for?
According to Medicare billing data, Quest Diagnostics LLC the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Quest Diagnostics LLC's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Quest Diagnostics LLC. If this is you, claiming it is free.
Guide.md
Is this your practice?
Manage this listing? Log in or create an account, then click “This is my practice and I manage it” here. A verified physician whose registry address matches this location is approved instantly; everyone else is reviewed by a person.
Guide.md listings do not constitute medical advice or an endorsement.