JOHN MESTAS CRNA
NPI 1821339581
Nurse Anesthetist, Certified Registered in Gainesville, GA
About John Mestas Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MESTAS CRNA (NPI 1821339581) is an individual nurse anesthetist, certified registered in Gainesville, Georgia, licensed in Georgia (RN180443) and active in the NPI registry since March 2013. He is affiliated with Piedmont Newton Hospital and is a graduate of Other (2012).
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
John Mestas 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
13Medicare enrollment records show John Mestas reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cumming, GA 30041
- Reassigned Medicare billing, Georgia enrollment
- 37 clinicians in this Medicare group
Lawrenceville, GA 30046
- Reassigned Medicare billing, Georgia enrollment
- 29 clinicians in this Medicare group
Lawrenceville, GA 30044
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: Mulkey Anesthesiology Associates, PC
- 112 clinicians in this Medicare group
Johns Creek, GA 30097
- Reassigned Medicare billing, Georgia enrollment
- 29 clinicians in this Medicare group
Snellville, GA 30078
- Reassigned Medicare billing, Georgia enrollment
- 156 clinicians in this Medicare group
Canton, GA 30114
- Reassigned Medicare billing, Georgia enrollment
- 29 clinicians in this Medicare group
Canton, GA 30114
- Reassigned Medicare billing, Georgia enrollment
- 70 clinicians in this Medicare group
Marietta, GA 30062
- Reassigned Medicare billing, Georgia enrollment
- 29 clinicians in this Medicare group
Atlanta, GA 30303
- Reassigned Medicare billing, Georgia enrollment
- 771 clinicians in this Medicare group
Smyrna, GA 30082
- Reassigned Medicare billing, Georgia enrollment
- 61 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Piedmont Newton Hospital
Acute Care Hospitals · Covington, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30501 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.
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 John Mestas's NPI number?
The NPI number for John Mestas is 1821339581. It was assigned to this individual provider in the NPPES registry on March 6, 2013.
Where is John Mestas located?
John Mestas practices at 743 Spring St NE, Gainesville, GA 30501. The listed phone number is (770) 532-7179.
What is John Mestas's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is John Mestas enrolled in Medicare?
Yes. John Mestas 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 John Mestas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Mestas reassigns Medicare benefits to 13 organizations: Atlanta Anesthesia Consultants LLC (Cumming, GA), Radius Surgery Center LLC (Lawrenceville, GA), Cpmsc Gwinnett, LLC (Lawrenceville, GA), Ulna Surgery Center LLC (Johns Creek, GA), Premier Anesthesia Of Georgia LLC (Snellville, GA) and 8 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 John Mestas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Mestas accept?
Health plans from Alliant Health Plans, Inc., CareSource and Oscar Insurance Company list John Mestas 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 John Mestas affiliated with any hospitals?
According to CMS data, John Mestas is affiliated with Piedmont Newton Hospital.
When was this NPI record last updated?
The NPPES record for John Mestas was last updated on August 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# John Mestas, CRNA · NPI 1821339581
Nurse Anesthetist, Certified Registered physician in Gainesville, Georgia. Individual provider, active in the CMS NPPES registry since March 6, 2013.
## Identity
- **NPI:** 1821339581 (Entity type: Individual)
- **Enumerated:** March 6, 2013
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN180443 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 743 SPRING ST NE, Gainesville, GA 30501-3715
- **Phone:** (770) 532-7179 · **Fax:** (770) 534-1312
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 13 organizations under Medicare reassignment (form CMS-855R): Atlanta Anesthesia Consultants LLC (NPI 1487928370, Cumming, GA); Radius Surgery Center LLC (NPI 1215302906, Lawrenceville, GA); Cpmsc Gwinnett, LLC (NPI 1144516451, Lawrenceville, GA); Ulna Surgery Center LLC (NPI 1881147965, Johns Creek, GA); Premier Anesthesia Of Georgia LLC (NPI 1811403207, Snellville, GA); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** August 30, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1821339581) · Data from the CMS NPPES public registry.