John H. Sun, MD
NPI 1003865023ActiveIndividual· Surgery· Parker, CO
Surgery (MD) in Parker, Colorado, trained at University of Colorado School of Medicine, Denver (class of 1990). In 2024 Medicare paid $55,739 for 197 patients, and Part D covered 153 of their prescriptions, 88% of them generic.
Overview
| NPI | 1003865023 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 8, 2006 |
| Last updated in NPPES | Jun 26, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 35479 | 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 - Colorectal Surgery (Proctology) (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 197 |
|---|---|
| Services billed | 440 across 26 procedure codes |
| Paid by Medicare | $55,739 |
Part D prescriptions in 2024
| Prescriptions (claims) | 153 · 153 30-day fills |
|---|---|
| Patients | 146 |
| Total drug cost | $9,419 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Colorado School of Medicine, Denver |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Colorectal Surgery (Proctology) |
Medical group
- Portercare Adventist Health SystemDenver, CO · 774 clinicians
Hospital affiliation
- Adventhealth ParkerParker, CO
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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