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MEDCORE ASSOCIATES, PLLC
NPI 1326662891
Pathology - Anatomic Pathology & Clinical Pathology in Marion, IL

Active since June 01, 2020CLIA 45D2338505 · Accreditation
3333 W DEYOUNG ST, MARION, IL 62959(210) 617-4445 Get Directions Write a Review

NPPES record last updated: April 10, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 10, 2026, Nov 23, 2021, Jun 1, 2020 (3 updates tracked since 2020).

About Medcore Associates, Pllc NPPES

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

MEDCORE ASSOCIATES, PLLC (NPI 1326662891) is a healthcare organization registered as an anatomic pathology & clinical pathology in Marion, Illinois and active in the NPI registry since June 2020. The organization holds an CLIA Accreditation certificate valid through February 10, 2028 and lists Aamir Ehsan, President, as its authorized official.

NPPES Registry Identity

NPI1326662891
Entity TypeOrganization
Primary Taxonomy207ZP0102X
Legal Business NameMEDCORE ASSOCIATES, PLLC
Location Address3333 W DEYOUNG STMarion, IL 62959-5884
Mailing Address6918 Camp Bullis RdSan Antonio, TX 78256-2236 · (210) 617-4445
Phone(210) 617-4445
Organization SubpartYes
Authorized OfficialAamir EhsanPresident · (210) 497-0445
Enumeration DateJune 1, 2020
Last NPPES UpdateApril 10, 20263 updates tracked since enumeration
NPPES CertifiedApril 10, 2026
✔ NPI 1326662891 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Also ListedPathology · Blood Banking & Transfusion MedicineTaxonomy 207ZB0001X
Also ListedPathology · HematologyTaxonomy 207ZH0000X
Also ListedPathology · Molecular Genetic PathologyTaxonomy 207ZP0007X
3333 W DEYOUNG ST, Marion, IL 62959
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Medcore Associates, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Medcore Associates, PLLC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (2)

Aamir Ehsan, MD
Pathology
NPI 1467569459
6918 CAMP BULLIS RD
San Antonio, TX 78256
(210) 617-4445
✔ PECOS✔ Accepts Medicare788 mi
Bridget Herschap, M.D.
Pathology
NPI 1336466895
6918 CAMP BULLIS RD
San Antonio, TX 78256
(210) 617-4445
✔ PECOS✔ Accepts Medicare788 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Accreditation 45D2338505

Medcore Associates, PLLC · San Antonio, TX
Active · expires Feb 10, 2028
CLIA Number45D2338505
Laboratory TypeIndependent
Certificate Effective DateFebruary 11, 2026
Certificate Expiration DateFebruary 10, 2028
Laboratory DirectorDr. Aamir Ehsan
Laboratory Phone(210) 617-4445
Laboratory LocationMedcore Associates, PLLC6918 Camp Bullis Rd, Ste A, San Antonio, TX 78256
CLIA data matches this NPI record on: Address Name Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

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 Medcore Associates, PLLC's NPI number?

The NPI number for Medcore Associates, PLLC is 1326662891. It was assigned to this organization in the NPPES registry on June 1, 2020.

Where is Medcore Associates, PLLC located?

Medcore Associates, PLLC is located at 3333 W Deyoung St, Marion, IL 62959. The listed phone number is (210) 617-4445.

What is Medcore Associates, PLLC's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Medcore Associates, PLLC enrolled in Medicare?

Yes. Medcore Associates, PLLC is registered in the Medicare PECOS enrollment system.

Does Medcore Associates, PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 45D2338505) is associated with this NPI, valid through February 10, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Medcore Associates, PLLC was last updated on April 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.