Ehrin J. Armstrong, M.D.
NPI 1699733634ActiveIndividual· Internal Medicine, Interventional Cardiology· Englewood, CO
Internal Medicine, Interventional Cardiology (M.D.) in Englewood, Colorado, trained at Harvard Medical School (class of 2004). In 2024 Medicare paid $342,262 for 384 patients, and Part D covered 544 of their prescriptions, 75% of them generic. Bard Peripheral Vascular, Inc. was the largest of 20 companies reporting payments in 2025, $69,142 in all, mostly consulting fees.
Overview
| NPI | 1699733634 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 1, 2006 |
| Last updated in NPPES | Aug 19, 2025 |
| Certified by provider | Aug 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | DR.0053941 | CO |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | DR.0053941 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Interventional Cardiology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 384 |
|---|---|
| Services billed | 2,696 across 116 procedure codes |
| Paid by Medicare | $342,262 |
Part D prescriptions in 2024
| Prescriptions (claims) | 544 · 956 30-day fills |
|---|---|
| Patients | 177 |
| Total drug cost | $101,747 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical groups
- Healthone Heart Care LLCDenver, CO · 49 clinicians
- Keefe Memorial Health Service DistrictCheyenne Wells, CO · 21 clinicians
Hospital affiliations
- Haxtun Hospital DistrictHaxtun, CO
- HCA Healthone RoseDenver, CO
- Hca-Healthone DBA Swedish Medical CenterEnglewood, CO
- Keefe Memorial HospitalCheyenne Wells, CO
- The Medical Center of Aurora & South HospitalAurora, CO
Industry payments (Open Payments)
- 2025$69,142 · 108 payments from 20 companies
- 2024$59,659 · 155 payments from 41 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bard Peripheral Vascular, Inc. | $31,216 | 12 |
| Cordis US Corp. | $14,591 | 7 |
| Abbott Laboratories | $12,265 | 20 |
| Angiodynamics, Inc. | $5,029 | 17 |
| Shockwave Medical, Inc | $2,792 | 4 |
What the 2025 payments were for
- Consulting Fee$45,150 · 14 payments
- Travel and Lodging$16,062 · 12 payments
- Food and Beverage$3,972 · 79 payments
- Compensation for serving as faculty or as a speaker for a medical education program$2,000 · 2 payments
- Long term medical supply or device loan$1,958 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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