CAROLINE N/A GUAN C-AA
NPI 1639784119
Anesthesiologist Assistant in Brookhaven, GA
About Caroline N/a Guan C-aa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROLINE N/A GUAN C-AA (NPI 1639784119) is an individual anesthesiologist assistant in Brookhaven, Georgia and active in the NPI registry since September 2020. She is affiliated with Grady Memorial Hospital and is a graduate of Emory University School Of Medicine (2020).
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
Caroline N/a Guan C-aa 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 Reassignment
Medicare enrollment records show Caroline Guan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Atlanta, GA 30303
- Reassigned Medicare billing, Georgia enrollment
- 771 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Grady Memorial Hospital
Acute Care Hospitals · Atlanta, GAMedicare 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.
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 Caroline Guan's NPI number?
The NPI number for Caroline Guan is 1639784119. It was assigned to this individual provider in the NPPES registry on September 11, 2020.
Where is Caroline Guan located?
Caroline Guan practices at 1377 Dresden Dr NE Apt 5117, Brookhaven, GA 30319. The listed phone number is (678) 314-4302.
What is Caroline Guan's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Caroline Guan enrolled in Medicare?
Yes. Caroline Guan 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 organization bills Medicare for Caroline Guan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Guan reassigns Medicare benefits to Grady Memorial Hospital Corporation (Atlanta, GA). The 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 Caroline Guan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Caroline Guan accept?
Health plans from Oscar Health list Caroline Guan 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 Caroline Guan affiliated with any hospitals?
According to CMS data, Caroline Guan is affiliated with Grady Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Caroline Guan was last updated on September 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Caroline N/a Guan, C-AA · NPI 1639784119
Anesthesiologist Assistant physician in Brookhaven, Georgia. Individual provider, active in the CMS NPPES registry since September 11, 2020.
## Identity
- **NPI:** 1639784119 (Entity type: Individual)
- **Enumerated:** September 11, 2020
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 1377 DRESDEN DR NE APT 5117, Brookhaven, GA 30319-3457
- **Phone:** (678) 314-4302
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Grady Memorial Hospital Corporation (NPI 1114243813, Atlanta, GA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** September 23, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1639784119) · Data from the CMS NPPES public registry.