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LYDIA ZILKOSKI
NPI 1235582743
Counselor - Addiction (Substance Use Disorder) in Havre, MT

Active since July 20, 2016PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: October 9, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 9, 2025, May 8, 2024, Oct 16, 2023 (3 updates tracked since 2023).

About Lydia Zilkoski NPPES

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

LYDIA ZILKOSKI (NPI 1235582743) is an individual addiction (substance use disorder) provider in Havre, Montana, licensed in Montana (18606) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1235582743
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameLYDIA ZILKOSKI
Location Address1410 1ST AVEHavre, MT 59501-6207
Mailing AddressPo Box 1231Havre, MT 59501-1231
Phone(406) 265-5408
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateJuly 20, 2016
Last NPPES UpdateOctober 9, 20253 updates tracked since enumeration
NPPES CertifiedOctober 9, 2025
✔ NPI 1235582743 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in MT · 18606
1410 1ST AVE, Havre, MT 59501
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lydia Zilkoski is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284085788
PECOS Enrollment IDI20240109003525
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 8

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

JESSICA SHEEHY PA-C
Physician Assistant
1410 1ST AVE
HAVRE, MT 59501
Hill County (406) 788-5912
NORTHERN MONTANA HOSPITAL
Clinic/Center (Rural Health)
1410 1ST AVE
HAVRE, MT 59501
Hill County (406) 265-5408
DOUGLAS A DIGHTMAN M.D.
Family Medicine
1410 1ST AVE
HAVRE, MT 59501
Hill County (406) 265-5408
TYSON COCHRAN MD
Family Medicine
1410 1ST AVE
HAVRE, MT 59501
Hill County (406) 265-5408
DR. ANITA BEKKER APRN
Nurse Practitioner (Family)
1410 1ST AVE
HAVRE, MT 59501
Hill County (406) 265-5408
DR. CAMERON SCRANTON MD
Family Medicine
1410 1ST AVE
HAVRE, MT 59501
Hill County (406) 265-5408
ABRIANNA JOHNSON APRN
Nurse Practitioner (Family)
1410 1ST AVE
HAVRE, MT 59501
Hill County (406) 265-5408
DR. KAREN LIEN M.D.
Family Medicine
1410 1ST AVE
HAVRE, MT 59501
Hill County (406) 265-5408

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 Lydia Zilkoski's NPI number?

The NPI number for Lydia Zilkoski is 1235582743. It was assigned to this individual provider in the NPPES registry on July 20, 2016.

Where is Lydia Zilkoski located?

Lydia Zilkoski practices at 1410 1st Ave, Havre, MT 59501. The listed phone number is (406) 265-5408.

What is Lydia Zilkoski's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Is Lydia Zilkoski enrolled in Medicare?

Yes. Lydia Zilkoski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Lydia Zilkoski accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP and PacificSource Health Plans list Lydia Zilkoski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Lydia Zilkoski was last updated on October 9, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.