Doctor Profile

Gastroenterology · Gastroenterology

Andrei Gasic

MD · Gastroenterology · Medical College Of Pennsylvania
1144 N BROADWAY
SUITE C
Billings, MT 59101
✓ Accepts Medicare 🎓 40+ Years Practicing
402
Medicare Patients / yr
13
Procedures Billed
40
Years Practicing
5
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 Andrei Gasic'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. Gasic

See which plans Dr. Gasic 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. Gasic is to compare every Medicare Advantage and Part D plan available near 59101, MT — the Gastroenterology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 59101, MT →

Or call the office at (406) 238-6380 to confirm acceptance directly.

What Dr. Gasic Does

Dr. Gasic served 402 Medicare patients across 429 services in the latest CMS reporting year. That's 40% below the average Gastroenterology in Montana (666 patients across 40 doctors).

ProcedureServicesMedicare Patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)7168
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)5843
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43235)4846
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)4747
Diagnostic exam of large bowel using a flexible endoscope (45378)3232

How to read this: "Services" are the total times Dr. Gasic 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. Gasic is affiliated with 5 hospitals according to CMS Physician Compare. Below are the 5 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Intermountain Health St Vincent Regional Hospital

Billings, MT
★★★★☆ 4/5 CMS Rating

Logan Health Medical Center

Kalispell, MT
★★★★☆ 4/5 CMS Rating

Sacred Heart Medical Center - Riverbend

Springfield, OR
★★★★☆ 4/5 CMS Rating

Good Samaritan Regional Medical Center

Corvallis, OR
★★★☆☆ 3/5 CMS Rating

Longview Regional Medical Center

Longview, TX
★★★☆☆ 3/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 1144 N BROADWAY, SUITE C, Billings, MT 59101
Phone: (406) 238-6380

Area Safety Grade

D+

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

21 min

Average commute time in this zip · 87% 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

38.9162

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

Get directions on Google Maps →

Other Gastroenterology Doctors near 59101, MT

If Dr. Gasic isn't accepting new patients or isn't in your plan's network, these are the closest gastroenterology doctors near 59101, MT:

DoctorSpecialtyMedicare Patients / yrDistance
Crystal BernsteinGastroenterology4861.1 mi
Nathaniel J. Spezia-LindnerGastroenterology1.1 mi
Yevgeniy ArefievGastroenterology9181.1 mi
Keri L. HillGastroenterology7971.1 mi
Abdullah Al-ShahraniGastroenterology1.1 mi
Amy N. StrattonGastroenterology2641.3 mi

View all gastroenterology doctors near 59101, MT →

How to Use This Information

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

Compare Medicare Plans near 59101, MT → All Doctors near 59101, MT

Andrei Gasic: Common Questions

Does Dr. Gasic accept Medicare?
Yes. Dr. Gasic is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Gasic depends on that plan's provider network. Compare Medicare plans near 59101, MT →
Where is Dr. Gasic's office?
Dr. Gasic practices at 1144 N BROADWAY, SUITE C, Billings, MT 59101. Phone: (406) 238-6380.
What Medicare plans does Dr. Gasic accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (406) 238-6380 to confirm your specific plan is accepted, or compare all Medicare plans near 59101, MT to see available options.
Does Dr. Gasic offer telehealth visits?
CMS does not currently list Dr. Gasic as offering telehealth. Call the office at (406) 238-6380 to confirm whether virtual visits are available.
How experienced is Dr. Gasic?
Dr. Gasic graduated in 1986 and has been practicing for approximately 40 years. In the latest CMS reporting year, Dr. Gasic treated 402 Medicare patients across 13 distinct procedure types.
How do I know if Dr. Gasic 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) 238-6380 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 Gastroenterology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 59101, MT:

Does your Medicare plan cover Dr. Gasic?

Compare Plans near 59101, MT →