JONNICE C GRENTZ CRNA
NPI 1871764381
Nurse Anesthetist, Certified Registered in Augusta, GA
About Jonnice C Grentz Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONNICE C GRENTZ CRNA (NPI 1871764381) is an individual nurse anesthetist, certified registered in Augusta, Georgia, licensed in Georgia (RN158565) and active in the NPI registry since March 2008. She is affiliated with Piedmont Hospital, maintains a secondary practice location in Atlanta, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 3
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
Jonnice C Grentz 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
8Medicare enrollment records show Jonnice Grentz reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Augusta, GA 30912
- Reassigned Medicare billing, Georgia enrollment
- 159 clinicians in this Medicare group
Stockbridge, GA 30281
- Reassigned Medicare billing, Georgia enrollment
- 713 clinicians in this Medicare group
Cumming, GA 30041
- Reassigned Medicare billing, Georgia enrollment
- 37 clinicians in this Medicare group
Cumming, GA 30040
- Reassigned Medicare billing, Georgia enrollment
- 17 clinicians in this Medicare group
Roswell, GA 30076
- Reassigned Medicare billing, Georgia enrollment
- 3,885 clinicians in this Medicare group
Atlanta, GA 30309
- Reassigned Medicare billing, Georgia enrollment
- 441 clinicians in this Medicare group
Atlanta, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 201 clinicians in this Medicare group
Lagrange, GA 30240
- Reassigned Medicare billing, Georgia enrollment
- 1,506 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Piedmont Hospital
Acute Care Hospitals · Atlanta, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30912 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
AUGUSTA, GA 30912
AUGUSTA, GA 30912
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 Jonnice Grentz's NPI number?
The NPI number for Jonnice Grentz is 1871764381. It was assigned to this individual provider in the NPPES registry on March 13, 2008.
Where is Jonnice Grentz located?
Jonnice Grentz practices at 1120 15th Street, Augusta, GA 30912. The listed phone number is (706) 721-3871.
What is Jonnice Grentz's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Jonnice Grentz enrolled in Medicare?
Yes. Jonnice Grentz 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 Jonnice Grentz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonnice Grentz reassigns Medicare benefits to 8 organizations: Au Medical Associates Anesthesia Billing Services, LLC (Augusta, GA), Piedmont Anesthesia LLC (Stockbridge, GA), Atlanta Anesthesia Consultants LLC (Cumming, GA), Gi North Anesthesia, LLC (Cumming, GA), Wellstar Medical Group, LLC (Roswell, GA) and 3 more organizations, listed in the Medicare section above. 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 Jonnice Grentz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jonnice Grentz accept?
Health plans from Alliant Health Plans, Inc. and Oscar Health list Jonnice Grentz 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 Jonnice Grentz affiliated with any hospitals?
According to CMS data, Jonnice Grentz is affiliated with Piedmont Hospital.
When was this NPI record last updated?
The NPPES record for Jonnice Grentz was last updated on July 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Jonnice C Grentz, CRNA · NPI 1871764381
Nurse Anesthetist, Certified Registered physician in Augusta, Georgia. Individual provider, active in the CMS NPPES registry since March 13, 2008.
## Identity
- **NPI:** 1871764381 (Entity type: Individual)
- **Enumerated:** March 13, 2008
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN158565 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1120 15TH STREET, Augusta, GA 30912-0004
- **Phone:** (706) 721-3871
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Au Medical Associates Anesthesia Billing Services, LLC (NPI 1801843933, Augusta, GA); Piedmont Anesthesia LLC (NPI 1700474244, Stockbridge, GA); Atlanta Anesthesia Consultants LLC (NPI 1487928370, Cumming, GA); Gi North Anesthesia, LLC (NPI 1750877676, Cumming, GA); Wellstar Medical Group, LLC (NPI 1922405729, Roswell, GA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** July 30, 2024
- **Other identifiers:** Medicaid 866573598C (GA); Medicaid 866573598B (GA); Medicaid 866573598A (GA)
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Source: [NPI Profile](https://npiprofile.com/npi/1871764381) · Data from the CMS NPPES public registry.