DR. THOMAS STEVEN KILLIAN
NPI 1710674437
Counselor - Professional in Montclair, NJ

Active since April 21, 2023Opted out of Medicare · through Sep 3, 2026
18-20 LACKAWANNA PLZ STE 200, MONTCLAIR, NJ 07042(201) 509-5323 Get Directions Write a Review

NPPES record last updated: June 4, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 4, 2024, Aug 24, 2023, May 8, 2023 and 1 more (4 updates tracked since 2023).

About Dr. Thomas Steven Killian NPPES

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

DR. THOMAS STEVEN KILLIAN (NPI 1710674437) is an individual professional provider in Montclair, New Jersey, licensed in New Jersey (37PC00844100) and active in the NPI registry since April 2023. He has opted out of Medicare through September 3, 2026.

NPPES Registry Identity

NPI1710674437
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameDR. THOMAS STEVEN KILLIAN
Location Address18-20 LACKAWANNA PLZ STE 200Montclair, NJ 07042-3642
Mailing Address18-20 Lackawanna Plz Ste 200Montclair, NJ 07042-3642 · (201) 509-5323
Sole ProprietorNo
Enumeration DateApril 21, 2023
Last NPPES UpdateJune 4, 20244 updates tracked since enumeration
NPPES CertifiedJune 4, 2024
NPI 1710674437 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License Licensed in NJ · 37PC00844100
18-20 LACKAWANNA PLZ STE 200, Montclair, NJ 07042

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. Thomas Steven Killian 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 September 3, 2024 through September 3, 2026.

Opt-Out Effective DateSeptember 3, 2024
Opt-Out In Effect ThroughSeptember 3, 2026Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 13

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

Social Worker (Clinical)
18-20 LACKAWANNA PLZ STE 200
MONTCLAIR, NJ 07042
Social Worker (Clinical)
18-20 LACKAWANNA PLZ STE 200
MONTCLAIR, NJ 07042
Marriage & Family Therapist
18-20 LACKAWANNA PLZ STE 200
MONTCLAIR, NJ 07042
Clinic/Center (Mental Health (Including Community Mental Health Center))
18-20 LACKAWANNA PLZ STE 200
MONTCLAIR, NJ 07042
Social Worker (Clinical)
18-20 LACKAWANNA PLZ STE 200
MONTCLAIR, NJ 07042
Dietitian, Registered
18-20 LACKAWANNA PLZ STE 200
MONTCLAIR, NJ 07042
Counselor (Mental Health)
18-20 LACKAWANNA PLZ STE 200
MONTCLAIR, NJ 07042
Psychologist
18-20 LACKAWANNA PLZ STE 200
MONTCLAIR, NJ 07042

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 Killian's NPI number?

The NPI number for Thomas Killian is 1710674437. It was assigned to this individual provider in the NPPES registry on April 21, 2023.

Where is Thomas Killian located?

Thomas Killian practices at 18-20 Lackawanna Plz Ste 200, Montclair, NJ 07042. The listed phone number is (201) 509-5323.

What is Thomas Killian's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Thomas Killian enrolled in Medicare?

No. Thomas Killian has opted out of Medicare through September 3, 2026. 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 Thomas Killian was last updated on June 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.