R CRAIG MERRIFIELD CRNA
NPI 1629374640
Nurse Anesthetist, Certified Registered in Nashville, GA
About R Craig Merrifield Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
R CRAIG MERRIFIELD CRNA (NPI 1629374640) is an individual nurse anesthetist, certified registered in Nashville, Georgia, licensed in Florida (9277352) and active in the NPI registry since February 2011. He is affiliated with Dorminy Medical Center and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
R Craig Merrifield Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show R Merrifield reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ocilla, GA 31774
- Reassigned Medicare billing, Georgia enrollment
- 18 clinicians in this Medicare group
Fitzgerald, GA 31750
- Reassigned Medicare billing, Georgia enrollment
- 21 clinicians in this Medicare group
Thomasville, GA 31792
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: General Anesthesia Services, LLC
- 5 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Dorminy Medical Center
Acute Care Hospitals · Fitzgerald, GATift Regional Medical Center
Acute Care Hospitals · Tifton, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 31639 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is R Merrifield's NPI number?
The NPI number for R Merrifield is 1629374640. It was assigned to this individual provider in the NPPES registry on February 9, 2011.
Where is R Merrifield located?
R Merrifield practices at 413 Stone Ln, Nashville, GA 31639. The listed phone number is (229) 220-6575.
What is R Merrifield's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is R Merrifield enrolled in Medicare?
Yes. R Merrifield is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for R Merrifield's services?
According to the CMS Revalidation Reassignment List (October 2026 release), R Merrifield reassigns Medicare benefits to 3 organizations: Irwin County Hospital (Ocilla, GA), Dmc Physician Group LLC (Fitzgerald, GA) and The Urology Institute Ambulatory Surgery Center (Thomasville, GA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for R Merrifield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does R Merrifield accept?
Health plans from Alliant Health Plans, Inc. and Oscar Health list R Merrifield as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is R Merrifield affiliated with any hospitals?
According to CMS data, R Merrifield is affiliated with Dorminy Medical Center and Tift Regional Medical Center.
When was this NPI record last updated?
The NPPES record for R Merrifield was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# R Craig Merrifield, CRNA · NPI 1629374640
Nurse Anesthetist, Certified Registered physician in Nashville, Georgia. Individual provider, active in the CMS NPPES registry since February 9, 2011.
## Identity
- **NPI:** 1629374640 (Entity type: Individual)
- **Enumerated:** February 9, 2011
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 9277352 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 413 STONE LN, Nashville, GA 31639-5163
- **Phone:** (229) 220-6575
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Irwin County Hospital (NPI 1720098791, Ocilla, GA); Dmc Physician Group LLC (NPI 1124430020, Fitzgerald, GA); The Urology Institute Ambulatory Surgery Center (NPI 1881704773, Thomasville, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** October 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1629374640) · Data from the CMS NPPES public registry.