GEMINI DIAGNOSTICS INC
NPI 1104127174
Clinical Medical Laboratory in Westlake Village, CA

NPI Status: Active since November 08, 2010

Contact Information

756 LAKEFIELD RD
SUITE C
WESTLAKE VILLAGE, CA
ZIP 91361
Phone: (805) 496-3838
Fax: (805) 496-7418

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  • Organization
  • Clinical Medical Laboratory
  • CLIA Number: 05D2021720
  • CLIA Cert. Type: Independent
  • CLIA Exp. Date: 01-24-2028

About GEMINI DIAGNOSTICS INC

This page provides the complete NPI Profile along with additional information for Gemini Diagnostics Inc, a provider established in Westlake Village, California operating as a Clinical Medical Laboratory. The healthcare provider is registered in the NPI registry with number 1104127174 assigned on November 2010. The practitioner's primary taxonomy code is 291U00000X. The provider is registered as an organization and their NPI record was last updated 11 years ago. The authorized official of this NPI record is Joel Chan Md (President)

NPI
1104127174
Provider Name
GEMINI DIAGNOSTICS INC
Entity Type
Organization
Location Address
756 LAKEFIELD RD SUITE C WESTLAKE VILLAGE, CA 91361
Location Phone
(805) 496-3838
Location Fax
(805) 496-7418
Mailing Address
756 LAKEFIELD RD SUITE C WESTLAKE VILLAGE, CA 91361
Mailing Phone
(805) 496-3838
Mailing Fax
(805) 496-7418
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-08-2010
Last Update Date
06-03-2015
Code Navigator

Establishments like Gemini Diagnostics Inc 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
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

JOEL CHAN MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(805) 496-3838

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.

Flow cytometry technique for dna or cell analysis, 16 or more markers

Flow cytometry is a method used to measure and analyze cells. It uses a beam of light to detect up to 16 or more markers on cells, helping to identify their type, function, or abnormalities. This technique aids in diagnosing various health conditions.

This service was performed 241 times for 217 patients

Flow cytometry technique for dna or cell analysis, 9 to 15 markers

Flow cytometry is a technique used to measure physical and chemical characteristics of cells or particles. It can analyze multiple markers (9 to 15) on a cell, helping to identify its type and function. This process can also examine DNA within cells for any abnormalities.

This service was performed 15 times for 15 patients

Genetic sequencing localization, each additional procedure

Genetic sequencing localization is a process where specific regions of your DNA are identified and studied. If you're having additional procedures, it simply means that more areas of your DNA are being examined. This helps to understand your genetic makeup better and can assist in identifying potential health risks.

This service was performed 24 times for 24 patients

Genetic sequencing localization, initial procedure

Genetic sequencing localization is a process to identify where specific genes are located in your DNA. During the initial procedure, a sample of your cells is collected, usually through a simple swab or blood test. This data is then analyzed to pinpoint the location of certain genes. This can help understand your genetic makeup and potential health risks.

This service was performed 27 times for 27 patients

Microscopic genetic analysis of tissue, computer-assisted technology, initial procedure, each multiplex procedure

This procedure involves analyzing tissue at a genetic level using a microscope and advanced computer technology. The initial process involves the collection and preparation of tissue samples. Each multiplex procedure refers to the simultaneous testing of multiple genetic markers to identify abnormalities.

This service was performed 84 times for 21 patients

Microscopic genetic analysis of tumor, manual

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

This service was performed 112 times for 69 patients

Special stained specimen slides to examine tissue including interpretation and report

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

This service was performed 14 times for 13 patients

Special stained specimen slides to examine tissue, each additional procedure

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

This service was performed 351 times for 63 patients

Special stained specimen slides to examine tissue, initial procedure

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

This service was performed 82 times for 77 patients

Surgical pathology consultation and report on referred material requiring preparation of slides

A surgical pathology consultation involves the examination of tissue removed during surgery. The tissue is processed and slides are prepared for detailed study under a microscope. The findings are then compiled into a report to help guide your treatment plan.

This service was performed 88 times for 82 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
05D2021720
Facility Type
Independent
Certificate Effective Date
January 25, 2026
Certificate Expiration Date
January 24, 2028
Laboratory Director
DR. JOEL CHAN
Certificate Type
Certificate of Accreditation
Certificate Type Description
This is a CLIA certificate is issued to Gemini Diagnostics Inc on the basis of the laboratory's accreditation by an accreditation organization approved by CMS. This type of certificate is issued to a laboratories tha 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 1104127174, we treat the final digit (4) 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 0 + 4 + 2 + 2 + 1 + 4 + 1 + 1 + 4 + 24 = 46

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

The next multiple of ten after 46 is 50. The difference is the calculated check digit.

50 - 46 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1104127174.

Other Providers at the Same Location


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

Pathology (Anatomic Pathology & Clinical Pathology)
756 LAKEFIELD RD, SUITE C
WESTLAKE VILLAGE, CA 91361

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104127174, enumerated as an "organization" on November 08, 2010.

The provider is located at 756 LAKEFIELD RD SUITE C WESTLAKE VILLAGE, CA 91361 and the phone number is (805) 496-3838.

Clinical Medical Laboratory with taxonomy code 291U00000X.