Dr. Mark Christian Grieb, MD
- Medicare services, 2024
- 650
- Medicare patients, 2024
- 634
- Part D claims, 2023
- 17
- Industry payments
- $179
- Affiliated sites
- 3
- Practice address
- 1801 South Seventeenth St, Wilmington, NC 28401
- Practice phone
- Call (910) 763-4555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wilmington SurgCare
Surgery Center - Medicare-Certified · Wilmington, North Carolina
Find Dr. Grieb's professional email, personal email and mobile number
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Dr. Mark Christian Grieb is an anesthesiologist in Wilmington, North Carolina
Dr. Grieb practices at Wilmington SurgCare in Wilmington, North Carolina.
Dr. Grieb's NPI, 1154335115, was assigned on July 27, 2006. Dr. Grieb graduated from Vanderbilt University School of Medicine in 1993. Dr. Grieb holds North Carolina license 200001590.
- NPI
- 1154335115NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496843450
- NPI enumeration date
- July 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (910) 763-4555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Christian Grieb practices at Wilmington SurgCare in Wilmington, North Carolina
Dr. Grieb's primary practice is Wilmington SurgCare, at 1801 South Seventeenth St, Wilmington, NC 28401. The practice phone is (910) 763-4555.
- Wilmington SurgCare1801 South Seventeenth St, Wilmington, NC 28401Phone(910) 763-4555
Source: Dmand AI Affiliation Data
Dr. Mark Christian Grieb is affiliated with 3 sites of care and 2 medical groups
Dr. Grieb's primary practice is Wilmington SurgCare in Wilmington, North Carolina. The medical group on file is East Carolina Anesthesia Associates. Dmand AI also links Dr. Grieb to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Christian Grieb's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grieb practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wilmington SurgCare | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Christian Grieb is one of 1,269 anesthesiologists in North Carolina
Anesthesiology is Dr. Grieb's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Grieb is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Grieb is licensed in North Carolina.
Specialties and state licenses
- Anesthesiology, North CarolinaPrimary
Anesthesiologists near Dr. Grieb
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark Christian Grieb billed Medicare for 650 services in 2024
CMS data shows 650 Medicare services from Dr. Grieb across 12 procedure codes in 2024, for 634 Medicare patients. Medicare paid $42,508 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Grieb's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 5172024: 60818%
- Surgery
- 2023: 292024: 4245%
Dr. Grieb compared with the North Carolina median for anesthesiologists, 2024
- Dr. Grieb
- North Carolina median
- Medicare services
- 650vs 1135.8 times
- Medicare patients
- 634vs 1973.2 times
- Part D claims
- 17vs 3855% below
Medians across 1,251 anesthesiologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Grieb's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grieb and other anesthesiologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Christian Grieb treated 634 Medicare patients in 2024, average age 73
CMS counts 634 Medicare patients who saw Dr. Grieb in 2024. The largest group is 65 to 74, with 373 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.85, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grieb's median patient age at 72, with 59% women.
Dr. Grieb's Medicare patients by age, 2024
Dr. Grieb's Medicare patients by sex, 2024
- Women35957%
- Men27543%
Chronic conditions among Dr. Grieb's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis48%
- Diabetes25%
- Ischemic heart disease23%
- Mood disorders21%
- Anxiety20%
- Chronic kidney disease19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grieb's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Christian Grieb wrote 17 Medicare Part D claims in 2023
In 2023, Dr. Grieb wrote 17 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $1,217 in total drug cost. In 2022, CMS named 235 claims across 7 drugs.
Dr. Grieb's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 2352023: 1793%
Drugs named by CMS: 1 in 2023, 7 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Mark Christian Grieb takes part in Medicare
Dr. Grieb accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mark Christian Grieb received $179 in industry payments from 2016 to 2025
CMS Open Payments shows 6 general payments to Dr. Grieb from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $102.
General payments to Dr. Grieb by program year, 2016 to 2025
Companies that paid Dr. Grieb the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Christian Grieb graduated from Vanderbilt University School of Medicine
Dr. Grieb graduated from Vanderbilt University School of Medicine in 1993.
- Medical school
- Board certified in anesthesiology
- Board certified in pain medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Christian Grieb's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark Christian Grieb
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mark Christian Grieb's NPI number?
Dr. Mark Christian Grieb's NPI number is 1154335115. It was assigned on July 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Christian Grieb?
Dr. Mark Christian Grieb is an anesthesiologist in Wilmington, North Carolina. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Mark Christian Grieb practice?
Dr. Grieb practices at 1801 South Seventeenth St, Wilmington, NC 28401. Dr. Grieb's primary practice is Wilmington SurgCare in Wilmington, North Carolina. Dmand AI also links Dr. Grieb to 2 group practices and clinics and 1 medical group.
What is Dr. Mark Christian Grieb's office phone number?
The practice phone on file for Dr. Grieb is (910) 763-4555.
What is Dr. Mark Christian Grieb's medical license number?
Dr. Grieb holds North Carolina license 200001590.
What medical group is Dr. Mark Christian Grieb part of?
Dr. Grieb is linked to East Carolina Anesthesia Associates. Dmand AI links Dr. Grieb to 1 more medical group.
Does Dr. Mark Christian Grieb accept Medicare?
Yes. CMS data shows Dr. Grieb billed Medicare for 650 services in 2024, and Dr. Grieb accepts Medicare assignment.
How many Medicare patients does Dr. Mark Christian Grieb see?
CMS counts 634 Medicare patients who saw Dr. Grieb in 2024, with an average age of 73.
Is Dr. Mark Christian Grieb board certified?
Yes. Dr. Grieb is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Mark Christian Grieb bill to Medicare?
In 2024, Dr. Grieb's most billed Medicare services were anesthesia (00142), anesthesia (00140) and anesthesia (01810).
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Where did Dr. Mark Christian Grieb go to medical school?
Dr. Grieb graduated from Vanderbilt University School of Medicine in 1993.
What drugs does Dr. Mark Christian Grieb prescribe most?
In 2023 Medicare Part D data, Dr. Grieb's most prescribed drugs by claims were Gabapentin.
Has Dr. Mark Christian Grieb received payments from drug or device companies?
CMS Open Payments shows $179 in general payments to Dr. Grieb from 4 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Mark Christian Grieb been practicing?
Dr. Grieb graduated from medical school in 1993, 33 years ago.
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