Doctor Profile

Cardiology · Interventional Cardiology

Ehrin J. Armstrong

MD · Interventional Cardiology · Harvard Medical School
499 E HAMPDEN AVE
SUITE 200
Englewood, CO 80113
✓ Accepts Medicare 💻 Offers Telehealth 🎓 22 Years Practicing
372
Medicare Patients / yr
14
Procedures Billed
22
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 Ehrin J. Armstrong'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. Armstrong

See which plans Dr. Armstrong accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Colorado, the fastest way to find a Medicare plan that covers Dr. Armstrong is to compare every Medicare Advantage and Part D plan available near 80113, CO — the Interventional Cardiology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 80113, CO →

Or call the office at (303) 705-2002 to confirm acceptance directly.

What Dr. Armstrong Does

Dr. Armstrong served 372 Medicare patients across 564 services in the latest CMS reporting year. That's 75% below the average Interventional Cardiology in Colorado (1,463 patients across 78 doctors).

ProcedureServicesMedicare Patients
Established patient office or other outpatient visit, 30-39 minutes (99214)16075
Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel (37253)8025
New patient office or other outpatient visit, 45-59 minutes (99204)5757
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)4338
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)4239

How to read this: "Services" are the total times Dr. Armstrong 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. Armstrong 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.

Hca Healthone Presbyterian St Lukes

Denver, CO
★★★☆☆ 3/5 CMS Rating

Hca Healthone Rose

Denver, CO
★★★☆☆ 3/5 CMS Rating

Hca Healthone Mountain Ridge

Thornton, CO
★★☆☆☆ 2/5 CMS Rating

Haxtun Hospital District

Haxtun, CO
Rating not available

Keefe Memorial Hospital

Cheyenne Wells, CO
Rating not available

Practice Location & Telehealth Readiness

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

Address: 499 E HAMPDEN AVE, SUITE 200, Englewood, CO 80113
Phone: (303) 705-2002

Area Safety Grade

F

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

27 min

Average commute time in this zip · 66% 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

72.7497

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

Get directions on Google Maps →

Other Cardiology Doctors near 80113, CO

If Dr. Armstrong isn't accepting new patients or isn't in your plan's network, these are the closest cardiology doctors near 80113, CO:

DoctorSpecialtyMedicare Patients / yrDistance
Eric W. RudofkerCardiovascular Disease (Cardiology)<1 mi
Polina R. PinkhasovaCardiovascular Disease (Cardiology)<1 mi
John T. FerrellCardiovascular Disease (Cardiology)2531.1 mi
Mircea PetrinaCardiovascular Disease (Cardiology)1.0K1.1 mi
Barry L. MolkCardiovascular Disease (Cardiology)3711.1 mi
Ryan P. CotterCardiovascular Disease (Cardiology)1.6K4.9 mi

View all cardiology doctors near 80113, CO →

How to Use This Information

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

Compare Medicare Plans near 80113, CO → All Doctors near 80113, CO

Ehrin J. Armstrong: Common Questions

Does Dr. Armstrong accept Medicare?
Yes. Dr. Armstrong is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Armstrong depends on that plan's provider network. Compare Medicare plans near 80113, CO →
Where is Dr. Armstrong's office?
Dr. Armstrong practices at 499 E HAMPDEN AVE, SUITE 200, Englewood, CO 80113. Phone: (303) 705-2002.
What Medicare plans does Dr. Armstrong accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (303) 705-2002 to confirm your specific plan is accepted, or compare all Medicare plans near 80113, CO to see available options.
Does Dr. Armstrong offer telehealth visits?
Dr. Armstrong is registered with Medicare as offering telehealth services. Most Medicare Advantage plans cover telehealth visits at the same or similar cost as in-person visits. Check broadband availability in your area to ensure reliable connectivity for video visits.
How experienced is Dr. Armstrong?
Dr. Armstrong graduated in 2004 and has been practicing for approximately 22 years. In the latest CMS reporting year, Dr. Armstrong treated 372 Medicare patients across 14 distinct procedure types.
How do I know if Dr. Armstrong 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 (303) 705-2002 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 Cardiology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 80113, CO:

Does your Medicare plan cover Dr. Armstrong?

Compare Plans near 80113, CO →