Mark Grieves, CRNA, DNAP
NPI 1245229640 · Certified Registered Nurse Anesthetist · West Burlington, IA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Grieves, CRNA, DNAP is a Certified Registered Nurse Anesthetist provider in West Burlington, IA (NPI 1245229640).
Provider details
- NPI number
- 1245229640
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA, DNAP
- Sex
- Male
- Sole proprietor
- No
- License
- 100838 (NE)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
107 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) |
|---|---|---|
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 22 | $91 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 20 | $157 |
| Anesthesia for Lens Surgery00142 | 18 | $119 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 17 | $135 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 16 | $124 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 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
Registry dates
- Enumerated
- 2005-10-18
- Last updated
- 2016-03-08
Frequently asked questions
- What is Mark Grieves's NPI number?
- Mark Grieves's National Provider Identifier (NPI) is 1245229640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Grieves's specialty?
- Mark Grieves is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Grieves located?
- Mark Grieves's practice location on file with NPPES is 1221 S Gear Ave, West Burlington, IA 52655-1679.
- What is Mark Grieves's phone number?
- The practice phone number listed in the NPPES registry for Mark Grieves is (319) 768-3030.
- Does Mark Grieves accept Medicare?
- Mark Grieves is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Grieves's NPI active?
- Yes — Mark Grieves's NPI (1245229640) is active in the NPPES registry as of the last update on 2016-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.