Mark Grieb, MD
NPI 1154335115 · Anesthesiology Physician · Wilmington, NC
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Grieb, MD is a Anesthesiology Physician provider in Wilmington, NC (NPI 1154335115).
Provider details
- NPI number
- 1154335115
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 200001590 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
650 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 370 | $73 |
| Anesthesia for Other Procedure on Eye00140 | 59 | $89 |
| Anesthesia for Procedure on Nerves, Muscles, Tendons, and Tissue of Forearm, Wrist, and Hand01810 | 40 | $73 |
| Anesthesia for Other Procedure on Skin of Arms, Legs, and Front Body00400 | 32 | $86 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 29 | $65 |
| Anesthesia for Retinal Surgery00145 | 28 | $107 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2430 Emerald Pl Ste 201Greenville, NC 27834-5743Phone: (252) 752-2140
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2024-09-17
- Certified
- 2024-09-17
Frequently asked questions
- What is Mark Grieb's NPI number?
- Mark Grieb's National Provider Identifier (NPI) is 1154335115, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Grieb's specialty?
- Mark Grieb is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Grieb located?
- Mark Grieb's practice location on file with NPPES is 1801 S 17th St, Wilmington, NC 28401-6443.
- What is Mark Grieb's phone number?
- The practice phone number listed in the NPPES registry for Mark Grieb is (910) 763-4555.
- Does Mark Grieb accept Medicare?
- Mark Grieb is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Grieb's NPI active?
- Yes — Mark Grieb's NPI (1154335115) is active in the NPPES registry as of the last update on 2024-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.