Mark Christian Grieb, MD
NPI 1154335115ActiveIndividual· Anesthesiology· Wilmington, NC
Anesthesiology (MD) in Wilmington, North Carolina, trained at Vanderbilt University School of Medicine (class of 1993). Medicare paid $50,155 for services to 634 patients in 2024. Pacira Pharmaceuticals Incorporated reported $13.57 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1154335115 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Sep 17, 2024 |
| Certified by provider | Sep 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 200001590 | NC |
| Anesthesiology, Pain Medicine | 207LP2900X | 200001590 | 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 - Anesthesiology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 634 |
|---|---|
| Services billed | 738 across 43 procedure codes |
| Paid by Medicare | $50,155 |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Anesthesiology |
| Secondary specialties | Pain Management |
Medical group
- East Carolina Anesthesia Associates PLLCGreenville, NC · 696 clinicians
Industry payments (Open Payments)
- 2025$13.57 · 1 payment from 1 company
- 2024$18.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pacira Pharmaceuticals Incorporated | $13.57 | 1 |
What the 2025 payments were for
- Food and Beverage$13.57 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 48 anesthesiologists in Wilmington · All anesthesiologists in North Carolina