John Messenger, MD
NPI 1770673451ActiveIndividual· Internal Medicine, Interventional Cardiology· Aurora, CO
Internal Medicine, Interventional Cardiology (MD) in Aurora, Colorado, trained at University of Southern California Keck School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $176,578 for 774 claims, against $87,179 paid for services in 2024. Edwards Lifesciences Corporation was the largest of 5 companies reporting payments in 2025, $2,094 in all, mostly food and beverage.
Overview
| NPI | 1770673451 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 13, 2006 |
| Last updated in NPPES | Feb 1, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 35664 | 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 | 371 |
|---|---|
| Services billed | 761 across 53 procedure codes |
| Paid by Medicare | $87,179 |
Part D prescriptions in 2024
| Prescriptions (claims) | 774 · 1,938 30-day fills |
|---|---|
| Patients | 146 |
| Total drug cost | $176,578 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- University Physicians IncorporatedAurora, CO · 3,215 clinicians
Hospital affiliations
- Uch-Memorial Health SystemColorado Springs, CO
- Uchealth Broomfield HospitalBroomfield, CO
- Uchealth Highlands Ranch HospitalHighlands Ranch, CO
- University of Colorado Hospital AuthorityAurora, CO
- Vail Health HospitalVail, CO
Industry payments (Open Payments)
- 2025$2,094 · 22 payments from 5 companies
- 2024$1,398 · 26 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $1,682 | 12 |
| Medtronic, Inc. | $249.47 | 7 |
| Abbott Laboratories | $127.60 | 1 |
| Abiomed | $18.21 | 1 |
| Chiesi USA, Inc. | $17.29 | 1 |
What the 2025 payments were for
- Food and Beverage$1,155 · 19 payments
- Travel and Lodging$938.70 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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