Lydia Zilkoski
Addiction (Substance Use Disorder) Counselor · Havre, MT
Lydia Zilkoski is an addiction (substance use disorder) counselor with a practice address in Havre, Montana, and NPI 1235582743, issued on Jul 20, 2016. Check the license (Montana 18606, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lydia Zilkoski
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- 18606 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1410 1St Ave, Havre, MT 59501
- Phone
- (406) 265-5408
- Enumerated
- Jul 20, 2016
- Record last updated
- Oct 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20240109003525); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest addiction (substance use disorder) counselor records → All 691 in Montana → Look up another NPI →
Also registered at 1410 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anita Bekker, APRNFamily Nurse Practitioner1720249444
- Tyson Cochran, MDFamily Medicine Physician1699395830
- Douglas Dightman, M.D.Family Medicine Physician1538355938
- Abrianna Johnson, APRNFamily Nurse Practitioner1902324635
- Karen Lien, M.D.Family Medicine Physician1962474460
- Toby Marshall, MDObstetrics & Gynecology Physician1861400863
Verify Lydia Zilkoski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 18606Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
One hospital affiliation
- Northern Montana HospitalHavre, MT · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Lydia Zilkoski among 691 addiction (substance use disorder) counselor records in Montana
Lydia Zilkoski is one of 691 addiction (substance use disorder) counselor records with a practice address in Montana. 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 38% of them.
- NPI issued2016 · 38% of these records are older, 57% newer
- In a Medicare fileYes · 1% of these records are
- In the CMS Doctors and Clinicians fileYes · 3% of these records are
- Graduated2020 · median 2019 among the 22 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 addiction (substance use disorder) counselor records list a practice address in Havre
They are 11 of the 196 NPPES records with a practice address in Havre, and 691 addiction (substance use disorder) counselor records in Montana.
All 691 in Montana → Every provider in Havre → Addiction (Substance Use Disorder) Counselor nationwide →
The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes
- Jesse Bergren, LACHavre, MT 595011699185322
- Hailey Breum, ACLCHavre, MT 595011740745587
- Mary Deberry, LACHavre, MT 595011356552160
- Sandy Derry, ACLCHavre, MT 595011972158814
- Holly Dorcheus, ACLCHavre, MT 595011548029515
- Debby Knudson, LACHavre, MT 595011811188238
- Katerina KuhrHavre, MT 595011013238625
- Ted Lewis, LACHavre, MT 595011396872479
Common questions
What is Lydia Zilkoski's NPI number?
Lydia Zilkoski's National Provider Identifier (NPI) is 1235582743, issued on Jul 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Lydia Zilkoski located?
The NPPES record lists a practice address at 1410 1St Ave, Havre, MT, 59501. Phone: (406) 265-5408. Providers update this record themselves, so call before visiting.
How can I verify Lydia Zilkoski's license?
NPPES lists Montana license number 18606, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.