EXPRESS CLINICAL LAB
NPI 1457001778
Clinical Medical Laboratory in Guayama, PR

NPI Status: Active since March 28, 2022

Contact Information

CALLE ASHFORD #86 ESQ. CALLE RETIRO
GUAYAMA, PR
ZIP 00784
Phone: (787) 864-0630
Fax: (787) 558-0633

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  • Organization
  • Clinical Medical Laboratory
  • CLIA Number: 40D0658091
  • CLIA Cert. Type: Independent
  • CLIA Exp. Date: 03-15-2028

About EXPRESS CLINICAL LAB

This page provides the complete NPI Profile along with additional information for Express Clinical Lab, a provider established in Guayama, Puerto Rico operating as a Clinical Medical Laboratory. The healthcare provider is registered in the NPI registry with number 1457001778 assigned on March 2022. The practitioner's primary taxonomy code is 291U00000X. The provider is registered as an organization and their NPI record was last updated 3 years ago. The provider's is doing business as Express Clinical Lab. The authorized official of this NPI record is Mrs. Laura C Rivera Irizarry (President)

NPI
1457001778
Provider Legal Name
JL RIVERA & SONS INC
Other Organization Name
EXPRESS CLINICAL LAB
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
CALLE ASHFORD #86 ESQ. CALLE RETIRO GUAYAMA, PR 00784
Location Phone
(787) 864-0630
Location Fax
(787) 558-0633
Mailing Address
PO BOX 1853 GUAYAMA, PR 00785
Mailing Phone
(787) 864-0630
Mailing Fax
(787) 558-0633
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
03-28-2022
Last Update Date
03-09-2023
Code Navigator

Establishments like Express Clinical Lab 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.

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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
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

MRS. LAURA C RIVERA IRIZARRY

Authorized Official Title
PRESIDENT
Authorized Official Phone
(787) 617-0761

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
40D0658091
Facility Type
Independent
Certificate Effective Date
March 16, 2026
Certificate Expiration Date
March 15, 2028
Laboratory Director
MRS. LAURA RIVERA IRIZARRY
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Express Clinical Lab 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 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 1457001778, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 0 + 7 + 0 + 0 + 2 + 7 + 1 + 4 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1457001778.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1457001778, enumerated as an "organization" on March 28, 2022.

The provider is located at CALLE ASHFORD #86 ESQ. CALLE RETIRO GUAYAMA, PR 00784 and the phone number is (787) 864-0630.

Clinical Medical Laboratory with taxonomy code 291U00000X.