John Edward Marquez, PAC
NPI 1023153723ActiveIndividual· Physician Assistant, Medical· Englewood, CO
Physician Assistant, Medical (PAC) with Colorado Provider Network LLC, practicing in Englewood, Colorado. Their prescriptions cost Medicare Part D more than their services did: $328,701 for 3,213 claims, against $38,763 paid for services in 2024. Gilead Sciences, Inc. was the largest of 16 companies reporting payments in 2025, $2,572 in all, mostly food and beverage.
Overview
| NPI | 1023153723 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PAC |
| Sole proprietor | No |
| NPI issued | Feb 20, 2007 |
| Last updated in NPPES | Feb 12, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 1594 | 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 - Physician Assistant (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 124 |
|---|---|
| Services billed | 579 across 36 procedure codes |
| Paid by Medicare | $38,763 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,213 · 5,116 30-day fills |
|---|---|
| Patients | 221 |
| Total drug cost | $328,701 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Colorado Provider Network LLCLakewood, CO · 5 clinicians
Industry payments (Open Payments)
- 2025$2,572 · 110 payments from 16 companies
- 2024$2,499 · 121 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $891.18 | 25 |
| Viiv Healthcare Company | $561.48 | 19 |
| Abbvie Inc. | $423.48 | 27 |
| Otsuka America Pharmaceutical, Inc. | $145.39 | 11 |
| Lilly USA, LLC | $95.14 | 5 |
What the 2025 payments were for
- Food and Beverage$2,572 · 110 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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