QUEST DIAGNOSTICS
NPI 1649315821
Clinical Medical Laboratory in Stockton, CA

NPI Status: Active since February 21, 2007

Contact Information

2291 W MARCH LANE
SUITE 145 F
STOCKTON, CA
ZIP 95207
Phone: (209) 951-5831

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  • Organization
  • Clinical Medical Laboratory
  • CLIA Number: 05D0700053
  • CLIA Cert. Type: Independent
  • CLIA Exp. Date: 05-31-2026

About QUEST DIAGNOSTICS

This page provides the complete NPI Profile along with additional information for Quest Diagnostics, a provider established in Stockton, California operating as a Clinical Medical Laboratory. The healthcare provider is registered in the NPI registry with number 1649315821 assigned on February 2007. The practitioner's primary taxonomy code is 291U00000X with license number 05D0700053 (CA). The provider is registered as an organization and their NPI record was last updated 8 years ago. The provider's is doing business as Quest Diagnostics. The authorized official of this NPI record is Charles Albert Bowles (Vice President)

NPI
1649315821
Provider Legal Name
UNILAB CORPORATION
Other Organization Name
QUEST DIAGNOSTICS
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
2291 W MARCH LANE SUITE 145 F STOCKTON, CA 95207
Location Phone
(209) 951-5831
Mailing Address
1201 S COLLEGEVILLE RD COLLEGEVILLE, PA 19426
Mailing Phone
(866) 697-8378
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
02-21-2007
Last Update Date
12-11-2018
Code Navigator

Establishments like Quest Diagnostics 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.
05D0700053
License State
CA
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.

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

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Blood test, basic group of blood chemicals (calcium, total)

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

This service was performed 116 times for 106 patients

Blood test, clotting time

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

This service was performed 413 times for 134 patients

Blood test, comprehensive group of blood chemicals

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

This service was performed 319 times for 213 patients

Coagulation assessment blood test, plasma or whole blood

A coagulation assessment blood test evaluates how well your blood clots, helping identify potential bleeding or clotting disorders. This test uses a sample of your plasma or whole blood. It's a standard procedure to ensure your body's clotting process is functioning properly.

This service was performed 39 times for 32 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

This service was performed 60 times for 57 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

This service was performed 410 times for 250 patients

Insertion of needle into vein for collection of blood sample

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

This service was performed 598 times for 327 patients

Magnesium level

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

This service was performed 15 times for 14 patients

Manual urinalysis test with examination using microscope, automated

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

This service was performed 77 times for 72 patients

Measurement c-reactive protein for detection of infection or inflammation

C-reactive protein (CRP) test is a blood test that checks for signs of inflammation or infection in the body. High levels of CRP often suggest that there's inflammation or a bacterial infection. This test helps in monitoring and managing conditions like arthritis and heart disease.

This service was performed 22 times for 20 patients

Phosphate level

A phosphate level test measures the amount of phosphate in your blood. Phosphate is a chemical that contains the mineral phosphorus, crucial for energy production, muscle and nerve function, and bone growth. Imbalances may indicate kidney disease or other health issues.

This service was performed 12 times for 11 patients

Smear for parasites

A smear for parasites is a diagnostic test where a small sample of your stool is taken. The sample is then examined under a microscope to check for the presence of parasites or their eggs. It helps in identifying any parasitic infections that might be causing your symptoms.

This service was performed 589 times for 439 patients

Special stain for parasites

A special stain for parasites is a lab procedure that helps identify parasites in your body. It involves applying specific dyes to a sample, usually stool or blood. These dyes make parasites easier to spot under a microscope, aiding in diagnosis and treatment planning.

This service was performed 591 times for 440 patients

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
05D0700053
Facility Type
Independent
Certificate Effective Date
September 07, 2023
Certificate Expiration Date
May 31, 2026
Laboratory Director
ROBERT D. LAWRENCE
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Quest Diagnostics 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 1649315821, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 6 + 1 + 1 + 0 + 8 + 4 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1649315821.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Community/Behavioral Health
2291 W MARCH LANE, SUITE A201 AND SUITE A202
STOCKTON, CA 95207

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649315821, enumerated as an "organization" on February 21, 2007.

The provider is located at 2291 W MARCH LANE SUITE 145 F STOCKTON, CA 95207 and the phone number is (209) 951-5831.

Clinical Medical Laboratory with taxonomy code 291U00000X.