CROSSROADS MEDICAL ASSOCIATES, LLC
NPI 1720103500
Internal Medicine in Ellicott City, MD

Active since March 20, 2007CLIA 21D0214558 · Certificate of Compliance
4801 DORSEY HALL DR, SUITE 201, ELLICOTT CITY, MD 21042(410) 997-7660(410) 997-5377 Get Directions Write a Review

NPPES record last updated: December 31, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Crossroads Medical Associates, Llc NPPES

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

CROSSROADS MEDICAL ASSOCIATES, LLC (NPI 1720103500) is a healthcare organization registered as an internal medicine in Ellicott City, Maryland and active in the NPI registry since March 2007. The organization holds a CLIA Certificate of Compliance certificate valid through September 9, 2027 and lists Warren Marc Ross, Founding Partner, as its authorized official.

NPPES Registry Identity

NPI1720103500
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCROSSROADS MEDICAL ASSOCIATES, LLC
Location Address4801 DORSEY HALL DR, SUITE 201Ellicott City, MD 21042-7766
Mailing Address4801 Dorsey Hall Dr, Suite 201Ellicott City, MD 21042-7766 · (410) 997-7660 · Fax (410) 997-5377
Fax(410) 997-5377
Organization SubpartNo
Authorized OfficialWarren Marc RossFounding Partner · (410) 997-7660
Enumeration DateMarch 20, 2007
Last NPPES UpdateDecember 31, 2009
NPI 1720103500 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.
4801 DORSEY HALL DR, Ellicott City, MD 21042

Other Identifiers 2

Medicare ID-Type Unspecified783LMD
Medicare PIN783LMD

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 Compliance 21D0214558

Crossroads Medical Laboratory LLC · Ellicott City, MD
Active · expires Sep 9, 2027
CLIA Number21D0214558
Laboratory TypePhysician Office
Certificate Effective DateSeptember 10, 2025
Certificate Expiration DateSeptember 9, 2027
Laboratory DirectorWarren M. Ross
Laboratory Phone(410) 997-3620
Laboratory LocationCrossroads Medical Laboratory LLC4801 Dorsey Hall Drive Suite 200, Ellicott City, MD 21042
CLIA data matches this NPI record on: Address
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Other Providers at the Same Location NPPES 20

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

Urology
4801 DORSEY HALL DR, SUITE 201
ELLICOTT CITY, MD 21042
Physical Therapy Assistant
4801 DORSEY HALL DR, SUITE 130
ELLICOTT CITY, MD 21042
Nurse Practitioner (Adult Health)
4801 DORSEY HALL DR, SUITE 201
ELLICOTT CITY, MD 21042
Internal Medicine (Cardiovascular Disease)
4801 DORSEY HALL DR
ELLICOTT CITY, MD 21042
Internal Medicine
4801 DORSEY HALL DR, SUITE 201
ELLICOTT CITY, MD 21042
Internal Medicine
4801 DORSEY HALL DR, SUITE 201
ELLICOTT CITY, MD 21042
Family Medicine
4801 DORSEY HALL DR, SUITE 201
ELLICOTT CITY, MD 21042
Specialist
4801 DORSEY HALL DR, SUITE 120
ELLICOTT CITY, MD 21042

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 Crossroads Medical Associates, LLC's NPI number?

The NPI number for Crossroads Medical Associates, LLC is 1720103500. It was assigned to this organization in the NPPES registry on March 20, 2007.

Where is Crossroads Medical Associates, LLC located?

Crossroads Medical Associates, LLC is located at 4801 Dorsey Hall Dr Suite 201, Ellicott City, MD 21042. The listed phone number is (410) 997-7660.

What is Crossroads Medical Associates, LLC's specialty?

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

Does Crossroads Medical Associates, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 21D0214558) is associated with this NPI, valid through September 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 Crossroads Medical Associates, LLC was last updated on December 31, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.