MICHAEL KIRK CHASTAIN CRNA
NPI 1225461973
Nurse Anesthetist, Certified Registered in Atlanta, GA
About Michael Kirk Chastain Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL KIRK CHASTAIN CRNA (NPI 1225461973) is an individual nurse anesthetist, certified registered in Atlanta, Georgia, licensed in Georgia (RN252524) and active in the NPI registry since August 2013. He is enrolled in Medicare PECOS, is affiliated with Piedmont Newnan Hospital, Inc, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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 (PECOS)
Michael Kirk Chastain Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
9Medicare enrollment records show Michael Chastain reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
Kennesaw, GA 30152
- Reassigned Medicare billing, Georgia enrollment
- 629 clinicians in this Medicare group
Stockbridge, GA 30281
- Reassigned Medicare billing, Georgia enrollment
- 713 clinicians in this Medicare group
Fayetteville, GA 30214
- Reassigned Medicare billing, Georgia enrollment
- 35 clinicians in this Medicare group
Fayetteville, GA 30214
- Reassigned Medicare billing, Georgia enrollment
- 81 clinicians in this Medicare group
Newnan, GA 30265
- Reassigned Medicare billing, Georgia enrollment
- 729 clinicians in this Medicare group
Somerset, KY 42503
- Reassigned Medicare billing, Kentucky enrollment
- 88 clinicians in this Medicare group
Bradenton, FL 34208
- Reassigned Medicare billing, Georgia enrollment
- 386 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 2
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Piedmont Newnan Hospital, Inc
Acute Care Hospitals · Newnan, GASoutheastern Regional Medical Center, Inc
Acute Care Hospitals · Newnan, GALake Cumberland Regional Hospital
Acute Care Hospitals · Somerset, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30309 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.
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.
ATLANTA, GA 30309
ATLANTA, GA 30309
ATLANTA, GA 30309
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 Michael Chastain's NPI number?
The NPI number for Michael Chastain is 1225461973. It was assigned to this individual provider in the NPPES registry on August 16, 2013.
Where is Michael Chastain located?
Michael Chastain practices at 1968 Peachtree Rd NW, Atlanta, GA 30309. The listed phone number is (678) 216-0771.
What is Michael Chastain's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Michael Chastain enrolled in Medicare?
Yes. Michael Chastain is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Michael Chastain's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Chastain reassigns Medicare benefits to 9 organizations: Piedmont Anesthesia Associates, L.L.C (Atlanta, GA), Concordia Anesthesiology, Inc (Atlanta, GA), Mak Anesthesia Holdings LLC (Kennesaw, GA), Piedmont Anesthesia LLC (Stockbridge, GA), Everest Anesthesia LLC (Fayetteville, GA) and 4 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 Michael Chastain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Chastain accept?
Health plans from Oscar Health list Michael Chastain 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 Michael Chastain affiliated with any hospitals?
According to CMS data, Michael Chastain is affiliated with Piedmont Newnan Hospital, Inc, Southeastern Regional Medical Center, Inc and Lake Cumberland Regional Hospital.
When was this NPI record last updated?
The NPPES record for Michael Chastain was last updated on December 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Michael Kirk Chastain, CRNA · NPI 1225461973
Nurse Anesthetist, Certified Registered physician in Atlanta, Georgia. Individual provider, active in the CMS NPPES registry since August 16, 2013.
## Identity
- **NPI:** 1225461973 (Entity type: Individual)
- **Enumerated:** August 16, 2013
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN252524 (Georgia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1968 PEACHTREE RD NW, Atlanta, GA 30309-1281
- **Phone:** (678) 216-0771
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Piedmont Anesthesia Associates, L.L.C (NPI 1407856594, Atlanta, GA); Concordia Anesthesiology, Inc (NPI 1619296464, Atlanta, GA); Mak Anesthesia Holdings LLC (NPI 1912452939, Kennesaw, GA); Piedmont Anesthesia LLC (NPI 1700474244, Stockbridge, GA); Everest Anesthesia LLC (NPI 1568158418, Fayetteville, GA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** December 6, 2022
- **Other identifiers:** Medicaid 1225461973 (VA); Medicaid 422329200 (MD); Medicaid 041040400 (DC)
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Source: [NPI Profile](https://npiprofile.com/npi/1225461973) · Data from the CMS NPPES public registry.