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MR. WILLIAM LEON JANIK CRNP
NPI 1497016166
Nurse Practitioner - Adult Health in Bethesda, MD

Active since May 30, 2012
8600 OLD GEORGETOWN RD, SUBURBAN HOSPITAL EMERGENCY DEPARTMENT, BETHESDA, MD 20814(301) 896-2578 Get Directions Write a Review

NPPES record last updated: May 30, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. William Leon Janik Crnp NPPES

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

MR. WILLIAM LEON JANIK CRNP (NPI 1497016166) is an individual adult health provider in Bethesda, Maryland, licensed in Maryland (R170988) and active in the NPI registry since May 2012.

NPPES Registry Identity

NPI1497016166
Entity TypeIndividualMale
Primary Taxonomy363LA2200X
Provider Legal NameMR. WILLIAM LEON JANIKCredential: CRNP
Location Address8600 OLD GEORGETOWN RD, SUBURBAN HOSPITAL EMERGENCY DEPARTMENTBethesda, MD 20814-1422
Mailing Address8600 Old Georgetown Rd, Suburban Hospital Emergency DepartmentBethesda, MD 20814-1422 · (301) 896-2578
Phone(301) 896-2578
Sole ProprietorNo
Enumeration DateMay 30, 2012
✔ NPI 1497016166 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in MD · R170988
8600 OLD GEORGETOWN RD, Bethesda, MD 20814
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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.

CARLOS MANUEL CAMPA MALDONADO
Plastic Surgery
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Montgomery County (301) 896-2578
DR. KEITH A HORVATH M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Montgomery County (301) 896-7610
MRS. DINA L GALITZ NP
Nurse Practitioner (Family)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Montgomery County (301) 896-2654
SPAA
General Acute Care Hospital
8600 OLD GEORGETOWN RD, SUBURBAN HOSPITAL
BETHESDA, MD 20814
Montgomery County (301) 896-3100
SHEILA RAO PA
Physician Assistant
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Montgomery County (301) 896-2578
AMY ELIZABETH MCKEE M.D.
Emergency Medicine (Pediatric Emergency Medicine)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Montgomery County (301) 896-3054
MR. CHRISTIAN PELTE M.D.
Internal Medicine (Critical Care Medicine)
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Montgomery County (301) 896-3990
SUSAN CECILIA MORENO RPA-C
Physician Assistant
8600 OLD GEORGETOWN RD
BETHESDA, MD 20814
Montgomery County (301) 896-7500

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 William Janik's NPI number?

The NPI number for William Janik is 1497016166. It was assigned to this individual provider in the NPPES registry on May 30, 2012.

Where is William Janik located?

William Janik practices at 8600 Old Georgetown Rd Suburban Hospital Emergency Department, Bethesda, MD 20814. The listed phone number is (301) 896-2578.

What is William Janik's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

When was this NPI record last updated?

The NPPES record for William Janik was last updated on May 30, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.