Doctor Profile

Primary Care · Family Practice

Mark W. Zilkoski

MD · Family Practice · State University Of Ny Upstate Medical University
301 KNAPP ST
Wolf Point, MT 59201
✓ Accepts Medicare 🎓 49+ Years Practicing
174
Medicare Patients / yr
7
Procedures Billed
49
Years Practicing
2
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Mark W. Zilkoski's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Dr. Zilkoski

See which plans Dr. Zilkoski accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Montana, the fastest way to find a Medicare plan that covers Dr. Zilkoski is to compare every Medicare Advantage and Part D plan available near 59201, MT — the Family Practice's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 59201, MT →

Or call the office at (406) 653-6437 to confirm acceptance directly.

What Dr. Zilkoski Does

Dr. Zilkoski served 174 Medicare patients across 206 services in the latest CMS reporting year. That's 63% below the average Family Practice in Montana (466 patients across 344 doctors).

ProcedureServicesMedicare Patients
Emergency department visit with moderate level of medical decision making (99284)5645
Emergency department visit with low level of medical decision making (99283)4742
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)2614
Hospital discharge day management, 30 minutes or less (99238)2322
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)2320

How to read this: "Services" are the total times Dr. Zilkoski billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Dr. Zilkoski is affiliated with 2 hospitals according to CMS Physician Compare. Below are the 2 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Frances Mahon Deaconess Hospital

Glasgow, MT
Rating not available

Trinity Hospital

Wolf Point, MT
Rating not available

Practice Location & Telehealth Readiness

Dr. Zilkoski practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. Zilkoski offers telehealth — broadband availability at your home matters for virtual visits.

Address: 301 KNAPP ST, Wolf Point, MT 59201
Phone: (406) 653-6437

Area Safety Grade

F

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

20 min

Average commute time in this zip · 86% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

88.7746

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Primary Care Doctors near 59201, MT

If Dr. Zilkoski isn't accepting new patients or isn't in your plan's network, these are the closest primary care doctors near 59201, MT:

DoctorSpecialtyMedicare Patients / yrDistance
Benjamin J. MillerNurse Practitioner214<1 mi
Carissa G. CahillNurse Practitioner<1 mi
Joseph R. ShollenbargerNurse Practitioner<1 mi
Michael P. WelchFamily Practice28<1 mi
Danette A. McintyreNurse Practitioner<1 mi

View all primary care doctors near 59201, MT →

How to Use This Information

Choosing a Medicare plan that covers Dr. Zilkoski takes three steps:

Compare Medicare Plans near 59201, MT → All Doctors near 59201, MT

Mark W. Zilkoski: Common Questions

Does Dr. Zilkoski accept Medicare?
Yes. Dr. Zilkoski is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Zilkoski depends on that plan's provider network. Compare Medicare plans near 59201, MT →
Where is Dr. Zilkoski's office?
Dr. Zilkoski practices at 301 KNAPP ST, Wolf Point, MT 59201. Phone: (406) 653-6437.
What Medicare plans does Dr. Zilkoski accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (406) 653-6437 to confirm your specific plan is accepted, or compare all Medicare plans near 59201, MT to see available options.
Does Dr. Zilkoski offer telehealth visits?
CMS does not currently list Dr. Zilkoski as offering telehealth. Call the office at (406) 653-6437 to confirm whether virtual visits are available.
How experienced is Dr. Zilkoski?
Dr. Zilkoski graduated in 1977 and has been practicing for approximately 49 years. In the latest CMS reporting year, Dr. Zilkoski treated 174 Medicare patients across 7 distinct procedure types.
How do I know if Dr. Zilkoski is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (406) 653-6437 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile →LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology →Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Primary Care Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 59201, MT:

Does your Medicare plan cover Dr. Zilkoski?

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