MID-ATLANTIC PATHOLOGY SERVICES, INC.
NPI 1245302009
Clinical Medical Laboratory in Mc Lean, VA

Active since November 15, 2006CLIA 49D2178970 · Certificate of Compliance
1171 WINDROCK DR, MC LEAN, VA 22102(703) 404-8189(703) 404-1131 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mid-atlantic Pathology Services, Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MID-ATLANTIC PATHOLOGY SERVICES, INC. (NPI 1245302009) is a healthcare organization registered as a clinical medical laboratory in Mc Lean, Virginia and active in the NPI registry since November 2006. The organization holds a CLIA Certificate of Compliance certificate valid through March 9, 2027, maintains a secondary practice location in Falls Church, and lists Dina Valladares, Senior Director, as its authorized official.

NPPES Registry Identity

NPI1245302009
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameMID-ATLANTIC PATHOLOGY SERVICES, INC.
Location Address1171 WINDROCK DRMc Lean, VA 22102-1547
Mailing Address1355 River Bend DrDallas, TX 75247-4915 · (214) 638-2000 · Fax (844) 751-9262
Fax(703) 404-1131
Organization SubpartNo
Authorized OfficialDina ValladaresSenior Director · (954) 803-9405
Enumeration DateNovember 15, 2006
Last NPPES UpdateApril 7, 2026
NPPES CertifiedApril 7, 2026
NPI 1245302009 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
License Licensed in VA · 49D0898222
Definition
(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.
1171 WINDROCK DR, Mc Lean, VA 22102

Secondary Practice Location 1

Location 12126 Haycock RdFalls Church, VA 22043-1717 · Phone (703) 404-8189 · Fax (703) 404-1131

Other Identifiers 9

OtherB020VA · Carefirst Blue Cross Dc
Medicaid4109007 00MD
Medicaid006601812VA
Other200330VA · Anthem Blue Cross
Other6902000000KU90VA · Carefirst National Accts
OtherKU90MIVA · Carefirst Of Maryland
Other137554VA · Southern Healthcare
Medicaid006601839VA
Other690007157VA · Railroad Medicare

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 49D2178970

Mid Atlantic Pathology Services, Mclean Satellite Office · Mclean, VA
Active · expires Mar 9, 2027
CLIA Number49D2178970
Laboratory TypeIndependent
Certificate Effective DateMarch 10, 2025
Certificate Expiration DateMarch 9, 2027
Laboratory DirectorNaghmeh Yousefzadeh
Laboratory Phone(703) 371-5704
Laboratory LocationMid Atlantic Pathology Services, Mclean Satellite Office1171 Windrock Dr, Mclean, VA 22102
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
23,711 services7,333 patients
Special stained specimen slides to examine tissue, initial procedure 88342
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.
1,884 services813 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
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.
1,101 services217 patients
Special stained specimen slides to identify organisms including interpretation and report 88312
This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.
1,021 services394 patients
Pathology examination of tissue using a microscope, moderately low complexity 88304
A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.
836 services423 patients
Antibody evaluation, each additional single antibody stain procedure 88350
An antibody evaluation involves testing a sample of your body fluid (like blood) to identify specific antibodies. Each additional single antibody stain procedure is a separate test for another specific antibody. This helps in diagnosing various health conditions by understanding your body's immune response.
80 services16 patients

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pathology (Anatomic Pathology & Clinical Pathology)
1171 WINDROCK DR
MC LEAN, VA 22102
Pathology (Anatomic Pathology & Clinical Pathology)
1171 WINDROCK DR
MC LEAN, VA 22102

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mid-Atlantic Pathology Services, Inc.'s NPI number?

The NPI number for Mid-Atlantic Pathology Services, Inc. is 1245302009. It was assigned to this organization in the NPPES registry on November 15, 2006.

Where is Mid-Atlantic Pathology Services, Inc. located?

Mid-Atlantic Pathology Services, Inc. is located at 1171 Windrock Dr, Mc Lean, VA 22102. The listed phone number is (703) 404-8189.

What is Mid-Atlantic Pathology Services, Inc.'s specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

Does Mid-Atlantic Pathology Services, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 49D2178970) is associated with this NPI, valid through March 9, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Mid-Atlantic Pathology Services, Inc. was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.