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PATHFINDER DIAGNOSTICS
NPI 1962697037
Pathology - Anatomic Pathology & Clinical Pathology in Warrenton, VA

Active since September 11, 2007
500 HOSPITAL DR, WARRENTON, VA 20186(540) 433-3313(540) 442-7473 Get Directions Write a Review

NPPES record last updated: March 29, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Pathfinder Diagnostics NPPES

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

PATHFINDER DIAGNOSTICS (NPI 1962697037) is a healthcare organization registered as an anatomic pathology & clinical pathology in Warrenton, Virginia and active in the NPI registry since September 2007. The organization lists Lynn H Samuel, Director Of Lab, as its authorized official.

NPPES Registry Identity

NPI1962697037
Entity TypeOrganization
Primary Taxonomy207ZP0102X
Legal Business NamePATHFINDER DIAGNOSTICS
Location Address500 HOSPITAL DRWarrenton, VA 20186-3027
Mailing Address9834 Business WayManassas, VA 20110 · (703) 257-1440 · Fax (703) 257-4337
Phone(540) 433-3313
Fax(540) 442-7473
Organization SubpartNo
Authorized OfficialLynn H SamuelDirector Of Lab · (540) 349-0501
Enumeration DateSeptember 11, 2007
Last NPPES UpdateMarch 29, 2014
✔ NPI 1962697037 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
500 HOSPITAL DR, Warrenton, VA 20186
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Other Identifiers 5

Other1962697037VA · Group Npi
Other1013906627Npi
Medicare UPINE33039
Medicare PIN220000389VA
Medicaid6600590VA

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Pathfinder Diagnostics is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Pathfinder Diagnostics, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Elizabeth Martin, MD
Pathology
NPI 1487618286
500 HOSPITAL DR
Warrenton, VA 20186
(703) 391-3654
✔ PECOS✔ Accepts MedicareSame address
Kelly Domson, MD
Pathology
NPI 1760408066
500 HOSPITAL DRIVE
Warrenton, VA 20186
(703) 257-1440
✔ PECOS✔ Accepts MedicareSame address
Lynn Samuel, MD
Pathology
NPI 1013906627
493 BLACKWELL RD SUITE 101A
Warrenton, VA 20186
(540) 316-5604
✔ PECOS✔ Accepts Medicare1.4 mi
Ameera Ali, M.D.
Pathology
NPI 1265673362
2501 PARKERS LN
Alexandria, VA 22306
(703) 664-7122
✔ PECOS✔ Accepts Medicare40 mi

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

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 Pathfinder Diagnostics's NPI number?

The NPI number for Pathfinder Diagnostics is 1962697037. It was assigned to this organization in the NPPES registry on September 11, 2007.

Where is Pathfinder Diagnostics located?

Pathfinder Diagnostics is located at 500 Hospital Dr, Warrenton, VA 20186. The listed phone number is (540) 433-3313.

What is Pathfinder Diagnostics's specialty?

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

Is Pathfinder Diagnostics enrolled in Medicare?

Yes. Pathfinder Diagnostics is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Pathfinder Diagnostics?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Pathology, reassign their Medicare billing to Pathfinder Diagnostics. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Pathfinder Diagnostics was last updated on March 29, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.