Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. LOUIS B BRILL II MD, PHD
NPI 1093927782
Pathology - Anatomic Pathology & Clinical Pathology in Fairfax, VA

Q: What is Louis Brill's NPI number?

The NPI number for Louis Brill is 1093927782. It was assigned to this individual provider in the NPPES registry on May 4, 2007.

Q: What is Louis Brill's specialty?

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

Q: Is Louis Brill enrolled in Medicare?

No. Louis Brill has opted out of Medicare through April 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Louis Brill was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 days 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.

Active since May 04, 2007Opted out of Medicare · through Apr 1, 2028

8917 LITTLETON ST, FAIRFAX, VA 22032(202) 463-7872 Get Directions Write a Review

NPPES record last updated: August 21, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About Dr. Louis B Brill Ii Md, Phd NPPES

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

DR. LOUIS B BRILL II MD, PHD (NPI 1093927782) is an individual anatomic pathology & clinical pathology provider in Fairfax, Virginia, licensed in Virginia (0101242320) and active in the NPI registry since May 2007. He has opted out of Medicare through April 1, 2028.

NPPES Registry Identity

NPI1093927782

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. LOUIS B BRILL IICredential: MD, PHD

Location Address8917 LITTLETON STFairfax, VA 22032-1474

Mailing Address8917 Littleton StFairfax, VA 22032-1474 · (434) 242-4180

Phone(202) 463-7872

Sole ProprietorNo

Enumeration DateMay 4, 2007

Last NPPES UpdateAugust 21, 2026

NPPES CertifiedAugust 21, 2026

✔ NPI 1093927782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in VA · 0101242320

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.

8917 LITTLETON ST, Fairfax, VA 22032

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Other Identifiers 1

MedicaidPENDINGVA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Louis B Brill Ii Md, Phd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2026 through April 1, 2028.

Opt-Out Effective DateApril 1, 2026

Opt-Out In Effect ThroughApril 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

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 Louis Brill's NPI number?

The NPI number for Louis Brill is 1093927782. It was assigned to this individual provider in the NPPES registry on May 4, 2007.

Where is Louis Brill located?

Louis Brill practices at 8917 Littleton St, Fairfax, VA 22032. The listed phone number is (202) 463-7872.

What is Louis Brill's specialty?

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

Is Louis Brill enrolled in Medicare?

No. Louis Brill has opted out of Medicare through April 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Louis Brill was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 days 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.