QUEST DIAGNOSTICS LLC
NPI 1972521920
Clinical Medical Laboratory in Norwalk, CT

NPI Status: Active since July 18, 2006

Contact Information

40 CROSS ST
NORWALK, CT
ZIP 06851
Phone: (877) 868-2191

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  • Organization
  • Clinical Medical Laboratory
  • Accepts Insurance
  • CLIA Number: 07D0644813
  • CLIA Cert. Type: Independent
  • CLIA Exp. Date: 03-29-2027

About QUEST DIAGNOSTICS LLC

This page provides the complete NPI Profile along with additional information for Quest Diagnostics Llc, a provider established in Norwalk, Connecticut operating as a Clinical Medical Laboratory. The healthcare provider is registered in the NPI registry with number 1972521920 assigned on July 2006. The practitioner's primary taxonomy code is 291U00000X with license number 07D0644813 (CT). The provider is registered as an organization and their NPI record was last updated 4 years ago. The authorized official of this NPI record is Charles Albert Bowles (Vice President)

NPI
1972521920
Provider Name
QUEST DIAGNOSTICS LLC
Entity Type
Organization
Location Address
40 CROSS ST NORWALK, CT 06851
Location Phone
(877) 868-2191
Mailing Address
1201 S COLLEGEVILLE RD COLLEGEVILLE, PA 19426
Mailing Phone
(610) 454-6000
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
07-18-2006
Last Update Date
11-22-2022
Code Navigator

Establishments like Quest Diagnostics Llc are healthcare facilities that may perform a wide range of laboratory procedures, assisted by doctors and medical technologists. Laboratories can be categorized according to their function as common diagnostic labs or specialty labs that conduct specialized or confirmatory tests. Different clinical laboratories could specialize in clinical chemistry, clinical microbiology, hematology, serology, clinical microscopy, cytopathology, molecular biology, or public health. Please inquire directly with this provider to confirm their test menu.

Clinical labs in the U.S. that perform human testing are regulated by the Centers for Medicare & Medicaid Services (CMS) through the Clinical Laboratory Improvement Amendments (CLIA) program. The purpose of the CLIA program is to guarantee the quality of laboratory testing. This provider has a CLIA number assigned, and undergoes regular inspections to ensure compliance and quality.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Clinical Medical Laboratory

Taxonomy Code
291U00000X
Type
Laboratories
License No.
07D0644813
License State
CT
Taxonomy Description
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • BlueOptions Bronze (HSA) 24J01-10 (Rewards / $4 Condition Care Rx) - PPO
  • BlueOptions Bronze 24J01-04 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) - PPO
  • BlueOptions Bronze 24J01-06 (Rewards) - PPO
  • BlueOptions Bronze 24J01-17 ($50 PCP Visits / Rewards) - PPO
  • BlueOptions Bronze 24J01-18S ($50 PCP Visits / Rewards) - PPO
  • BlueOptions Gold 24J01-09 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) - PPO
  • BlueOptions Gold 24J01-12 ($40 PCP Visits / $75 Specialist Visits / $15 Labs / Rewards) - PPO
  • BlueOptions Gold 24J01-20S ($30 PCP Visits / $60 Specialist Visits / Rewards) - PPO
  • BlueOptions Platinum 24J01-05 ($0 Labs / $15 PCP Visits / $35 Specialist Visits / Rewards) - PPO
  • BlueOptions Platinum 24J01-08 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) - PPO
  • BlueOptions Platinum 24J01-21S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) - PPO
  • BlueOptions Silver 24J01-03 ($10 Labs / Rewards) - PPO
  • BlueOptions Silver 24J01-07 ($50 PCP Visits / Rewards) - PPO
  • BlueOptions Silver 24J01-19S ($40 PCP Visits / $80 Specialist Visits / Rewards) - PPO
  • BlueSelect Bronze (HSA) 1735 (Rewards / $4 Condition Care Rx) - EPO
  • BlueSelect Bronze 1449 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) - EPO
  • BlueSelect Bronze 2139 ($50 PCP Visits / Rewards) - EPO
  • BlueSelect Bronze 2139E ($50 PCP Visits / Adult Dental & Vision / Rewards) - EPO
  • BlueSelect Bronze 2139V ($50 PCP Visits / Adult Vision / Rewards) - EPO
  • BlueSelect Bronze 2342S ($50 PCP Visits / Rewards) - EPO
  • BlueCare Bronze (HSA) 24K01-09 (Rewards / $4 Condition Care Rx) - POS
  • BlueCare Bronze 24K01-03 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) - POS
  • BlueCare Bronze 24K01-05 (Rewards) - POS
  • BlueCare Bronze 24K01-25 ($50 PCP Visits / $75 Specialist Visits / Rewards) - POS
  • BlueCare Bronze 24K01-31S ($50 PCP Visits / Rewards) - POS
  • BlueCare Bronze 24K02-17 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) - POS
  • BlueCare Bronze 24K02-18 (Rewards) - POS
  • BlueCare Bronze 24K02-23 ($50 PCP Visits / $75 Specialist Visits / Rewards) - POS
  • BlueCare Bronze 24K02-26S ($50 PCP Visits / Rewards) - POS
  • BlueCare Gold 24K01-08 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) - POS
  • BlueCare Gold 24K01-10 ($40 PCP Visits / $75 Specialist Visits / $15 Labs / Rewards) - POS
  • BlueCare Gold 24K01-33S ($30 PCP Visits / $60 Specialist Visits / Rewards) - POS
  • BlueCare Gold 24K02-20 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) - POS
  • BlueCare Gold 24K02-28S ($30 PCP Visits / $60 Specialist Visits / Rewards) - POS
  • BlueCare Platinum 24K01-04 ($0 Labs / $15 PCP Visits / $35 Specialist Visits / Rewards) - POS
  • BlueCare Platinum 24K01-07 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) - POS
  • BlueCare Platinum 24K01-34S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) - POS
  • BlueCare Platinum 24K02-15 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) - POS
  • BlueCare Platinum 24K02-29S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) - POS
  • BlueCare Silver 24K01-02 ($10 Labs / Rewards) - POS

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

CHARLES ALBERT BOWLES

Authorized Official Title
VICE PRESIDENT
Authorized Official Phone
(610) 454-6000

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
07D0644813
Facility Type
Independent
Certificate Effective Date
March 30, 2025
Certificate Expiration Date
March 29, 2027
Laboratory Director
TRICIA MANCINI
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Quest Diagnostics Llc after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1972521920, we treat the final digit (0) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
2
Doubled → 4
Check
0
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 7 → 14 → 5 5 → 10 → 1 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 9 + 1 + 4 + 2 + 1 + 0 + 2 + 2 + 9 + 4 + 24 = 60

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1972521920.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Medical Oncology)
40 CROSS ST, 4TH FL
NORWALK, CT 06851
Internal Medicine (Hematology & Oncology)
40 CROSS ST, 4TH FL
NORWALK, CT 06851
Internal Medicine
40 CROSS ST, 4TH FL
NORWALK, CT 06851
Internal Medicine (Hematology & Oncology)
40 CROSS ST, 4TH FL
NORWALK, CT 06851
Internal Medicine (Gastroenterology)
40 CROSS ST, 4TH FL
NORWALK, CT 06851
Internal Medicine (Hematology & Oncology)
40 CROSS ST, 4TH FL
NORWALK, CT 06851
Internal Medicine (Medical Oncology)
40 CROSS ST, 4TH FL
NORWALK, CT 06851
Dermatology
40 CROSS ST, SUITE 340
NORWALK, CT 06851
Optometrist
40 CROSS ST
NORWALK, CT 06851
Specialist/Technologist (Athletic Trainer)
40 CROSS ST
NORWALK, CT 06851
Internal Medicine (Cardiovascular Disease)
40 CROSS ST
NORWALK, CT 06851
Internal Medicine (Cardiovascular Disease)
40 CROSS ST
NORWALK, CT 06851
Internal Medicine (Cardiovascular Disease)
40 CROSS ST, SUITE 200
NORWALK, CT 06851
Nurse Practitioner (Primary Care)
40 CROSS ST, 4TH FL
NORWALK, CT 06851
Otolaryngology
40 CROSS ST, SUITE 230
NORWALK, CT 06851
Specialist
40 CROSS ST, SUITE 340
NORWALK, CT 06851
Marriage & Family Therapist
40 CROSS ST, SUITE 240
NORWALK, CT 06851
Surgery
40 CROSS ST
NORWALK, CT 06851
Physical Therapist
40 CROSS ST, REHABILITATION SERVICES OF NORWALK HOSPITAL
NORWALK, CT 06851
Nurse Practitioner (Family)
40 CROSS ST
NORWALK, CT 06851

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972521920, enumerated as an "organization" on July 18, 2006.

The provider is located at 40 CROSS ST NORWALK, CT 06851 and the phone number is (877) 868-2191.

Clinical Medical Laboratory with taxonomy code 291U00000X.

The provider might be accepting Accepts: Florida Blue (BlueCross BlueShield FL) and Florida. Please consult your insurance carrier or call the provider to verify.