John Robert Collen, PA-C
NPI 1215058037ActiveIndividual· Physician Assistant· Greenville, SC
Physician Assistant (PA-C) with Circle Medical Care of California, practicing in Greenville, South Carolina. Enrolled in Medicare as practitioner - physician assistant and practitioner - physician assistant.
Overview
| NPI | 1215058037 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Apr 2, 2007 |
| Last updated in NPPES | Apr 23, 2026 |
| Certified by provider | Apr 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 4777 | SC |
| Physician Assistant, Medical | 363AM0700X | PA 17169 | CA |
| Physician Assistant | 363A00000X | 001015349 | NC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (CA); Practitioner - Physician Assistant (OR); Practitioner - Physician Assistant (SC) |
|---|
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Circle Medical Care of CaliforniaSan Francisco, CA · 81 clinicians
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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All 310 physician assistants in Greenville · All physician assistants in South Carolina