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MARTIN A. KORKOWSKI, MD
NPI 1386131936
Internal Medicine in Leesburg, VA

Active since April 19, 2018CLIA 49D0714094 · Waiver
44055 RIVERSIDE PARKWAY, SUITE 216, LEESBURG, VA 20176(703) 858-1395(703) 858-7468 Get Directions Write a Review

NPPES record last updated: August 18, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 18, 2023, Sep 20, 2022, Mar 11, 2022 and 2 more (5 updates tracked since 2018).

About Martin A. Korkowski, Md NPPES

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

MARTIN A. KORKOWSKI, MD (NPI 1386131936) is a healthcare organization registered as an internal medicine in Leesburg, Virginia and active in the NPI registry since April 2018. The organization holds a CLIA Waiver certificate valid through August 31, 2026 and lists Mary Beth Tamasy, Ceo, as its authorized official.

NPPES Registry Identity

NPI1386131936
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameLOUDOUN MEDICAL GROUP, PC
Location Address44055 RIVERSIDE PARKWAY, SUITE 216Leesburg, VA 20176-5176
Mailing Address224d Cornwall St Nw Ste 403Leesburg, VA 20176-2704 · (703) 737-6001 · Fax (703) 443-8643
Phone(703) 858-1395
Fax(703) 858-7468
Organization SubpartYes
Authorized OfficialMary Beth TamasyCeo · (703) 737-6001
Enumeration DateApril 19, 2018
Last NPPES UpdateAugust 18, 20235 updates tracked since enumeration
NPPES CertifiedAugust 18, 2023
✔ NPI 1386131936 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
44055 RIVERSIDE PARKWAY, SUITE 216, Leesburg, VA 20176
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Other Names 1

Doing Business AsMartin A. Korkowski, Md

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 SINGLE 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 Waiver 49D0714094

Martin A Korkowski, MD · Lansdowne, VA
Active · expires Aug 31, 2026
CLIA Number49D0714094
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorThomas J. Mancini, MD
Laboratory Phone(703) 858-1395
Laboratory LocationMartin A Korkowski, MD44055 Riverside Parkway - Suite 216, Lansdowne, VA 20176
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 5

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

LOUDOUN MEDICAL GROUP, PC
Internal Medicine
44055 RIVERSIDE PARKWAY, SUITE 216
LEESBURG, VA 20176
Loudoun County (703) 737-6010
DR. JON WILLIAM MADER M.D.
Physical Medicine & Rehabilitation
44055 RIVERSIDE PARKWAY, SUITE 216
LEESBURG, VA 20176
Loudoun County (703) 840-0665
SHAHID SIDDIQUI
Internal Medicine
44055 RIVERSIDE PARKWAY, SUITE 216
LEESBURG, VA 20176
Loudoun County (703) 858-1395
LOUDOUN MEDICAL GROUP, PC
Physical Medicine & Rehabilitation
44055 RIVERSIDE PARKWAY, SUITE 216
LEESBURG, VA 20176
Loudoun County (703) 840-0665
MARTIN ANTHONY KORKOWSKI MD
Internal Medicine
44055 RIVERSIDE PARKWAY, SUITE 216
LEESBURG, VA 20176
Loudoun County (703) 858-1395

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 Loudoun Medical Group, PC's NPI number?

The NPI number for Loudoun Medical Group, PC is 1386131936. It was assigned to this organization in the NPPES registry on April 19, 2018. The provider is doing business as Martin A. Korkowski, MD.

Where is Loudoun Medical Group, PC located?

Loudoun Medical Group, PC is located at 44055 Riverside Parkway, Suite 216, Leesburg, VA 20176. The listed phone number is (703) 858-1395.

What is Loudoun Medical Group, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Loudoun Medical Group, PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 49D0714094) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Loudoun Medical Group, PC was last updated on August 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.