Mark Gremillion, CRNA
NPI 1700917242 · Certified Registered Nurse Anesthetist · Marksville, LA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Gremillion, CRNA is a Certified Registered Nurse Anesthetist provider in Marksville, LA (NPI 1700917242).
Provider details
- NPI number
- 1700917242
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- Yes
- License
- AP01822 (LA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
113 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Other Procedure on Large Bowel Using an Endoscope00811 | 39 | $126 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 23 | $94 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 22 | $155 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 17 | $124 |
| Anesthesia for Other Procedure on Skin of Arms, Legs, and Front Body00400 | 12 | $143 |
Typical Medicare-allowed amounts for these services range $94–$155 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Gremillion's NPI number?
- Mark Gremillion's National Provider Identifier (NPI) is 1700917242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gremillion's specialty?
- Mark Gremillion is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Gremillion located?
- Mark Gremillion's practice location on file with NPPES is 4231 Highway 1192, Marksville, LA 71351-4711.
- What is Mark Gremillion's phone number?
- The practice phone number listed in the NPPES registry for Mark Gremillion is (318) 253-8611.
- Does Mark Gremillion accept Medicare?
- Mark Gremillion is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Gremillion's NPI active?
- Yes — Mark Gremillion's NPI (1700917242) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.