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PROF. THOMAS JAMES JANISKO MS, PA-C
NPI 1902009723
Physician Assistant in Washington, DC

Active since June 08, 2007
441 G ST NW, WASHINGTON, DC 20314(202) 761-1001 Get Directions Write a Review

NPPES record last updated: October 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Prof. Thomas James Janisko Ms, Pa-c NPPES

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

PROF. THOMAS JAMES JANISKO MS, PA-C (NPI 1902009723) is an individual physician assistant in Washington, District Of Columbia, licensed in Massachusetts (1688) and active in the NPI registry since June 2007.

NPPES Registry Identity

NPI1902009723
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NamePROF. THOMAS JAMES JANISKOCredential: MS, PA-C
Location Address441 G ST NWWashington, DC 20314-1000
Mailing Address7023 Haycock Rd, Suite DFalls Church, VA 22043-2315 · (202) 359-3847
Phone(202) 761-1001
Sole ProprietorNo
Enumeration DateJune 8, 2007
Last NPPES UpdateOctober 3, 2025
NPPES CertifiedOctober 3, 2025
✔ NPI 1902009723 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MA · 1688
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
441 G ST NW, Washington, DC 20314
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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 Thomas Janisko's NPI number?

The NPI number for Thomas Janisko is 1902009723. It was assigned to this individual provider in the NPPES registry on June 8, 2007.

Where is Thomas Janisko located?

Thomas Janisko practices at 441 G St NW, Washington, DC 20314. The listed phone number is (202) 761-1001.

What is Thomas Janisko's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Thomas Janisko was last updated on October 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.