GREYSTONE DIAGNOSTICS
NPI 1851917207
Clinical Medical Laboratory in Dallas, TX
NPI Status: Active since June 22, 2020
Contact Information
10042 MONROE DR
DALLAS, TX
ZIP 75229
Phone: (888) 220-0322
Fax: (888) 235-8044
- Organization
- Clinical Medical Laboratory
- CLIA Number: 45D2183107
- CLIA Cert. Type: Independent
- CLIA Exp. Date: 12-28-2027
About GREYSTONE DIAGNOSTICS
This page provides the complete NPI Profile along with additional information for Greystone Diagnostics, a provider established in Dallas, Texas operating as a Clinical Medical Laboratory. The healthcare provider is registered in the NPI registry with number 1851917207 assigned on June 2020. The practitioner's primary taxonomy code is 291U00000X. The provider is registered as an organization and their NPI record was last updated 2 years ago. The authorized official of this NPI record is Kevin Jackson (Credentialing)
- NPI
- 1851917207
- Provider Name
- GREYSTONE DIAGNOSTICS
- Entity Type
- Organization
- Location Address
- 10042 MONROE DR DALLAS, TX 75229
- Location Phone
- (888) 220-0322
- Location Fax
- (888) 235-8044
- Mailing Address
- 10042 MONROE DR DALLAS, TX 75229
- Mailing Phone
- (888) 220-0322
- Mailing Fax
- (888) 235-8044
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 06-22-2020
- Last Update Date
- 10-16-2024
- Code Navigator
Establishments like Greystone 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
- 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.
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.
Immune complex measurement
Measurement of antibody (ige) to allergic substance, crude allergen extract, each
Measurement of antibody (ige) to allergic substance, recombinant or purified component, each
Immune complex measurement is a lab test that checks the level of immune complexes in your blood. These complexes form when antibodies bind to antigens, such as bacteria or viruses. If too many build up, they can cause health problems. This test helps monitor and diagnose certain conditions.
This service was performed 382 times for 294 patientsThis procedure measures the level of IgE antibodies in your blood that react to a specific allergen. It's done using a crude allergen extract. The test helps determine your sensitivity to certain allergens, aiding in diagnosis and treatment of allergies.
This service was performed 20,851 times for 290 patientsThis is a test that measures the level of specific IgE antibodies in your blood. These antibodies are produced by your immune system in response to an allergic substance. Recombinant or purified components refer to the specific allergens tested. Each component represents a different allergen test.
This service was performed 4,382 times for 220 patientsCLIA 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
- 45D2183107
- Facility Type
- Independent
- Certificate Effective Date
- December 29, 2025
- Certificate Expiration Date
- December 28, 2027
- Laboratory Director
- DR. ELISABETH S. BROCKIE
- Certificate Type
- Certificate of Accreditation
- Certificate Type Description
- This is a CLIA certificate is issued to Greystone Diagnostics 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 1851917207, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 53 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1851917207, enumerated as an "organization" on June 22, 2020.
The provider is located at 10042 MONROE DR DALLAS, TX 75229 and the phone number is (888) 220-0322.
Clinical Medical Laboratory with taxonomy code 291U00000X.
