MERCEDES LADONNA MADU CRNA
NPI 1881231801
Nurse Anesthetist, Certified Registered in Atlanta, GA
About Mercedes Ladonna Madu Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MERCEDES LADONNA MADU CRNA (NPI 1881231801) is an individual nurse anesthetist, certified registered in Atlanta, Georgia, licensed in Georgia (231123) and active in the NPI registry since December 2019. She is affiliated with Grady Memorial Hospital, maintains a secondary practice location in Marietta, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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
Mercedes Ladonna Madu 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
12Medicare enrollment records show Mercedes Madu reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Atlanta, GA 30303
- Reassigned Medicare billing, Georgia enrollment
- 771 clinicians in this Medicare group
Atlanta, GA 30309
- Reassigned Medicare billing, Georgia enrollment
- 83 clinicians in this Medicare group
Atlanta, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 201 clinicians in this Medicare group
Atlanta, GA 30339
- Reassigned Medicare billing, Georgia enrollment
- 3,885 clinicians in this Medicare group
Atlanta, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 783 clinicians in this Medicare group
Stockbridge, GA 30281
- Reassigned Medicare billing, Georgia enrollment
- 713 clinicians in this Medicare group
Lawrenceville, GA 30046
- Reassigned Medicare billing, Georgia enrollment
- 111 clinicians in this Medicare group
Lawrenceville, GA 30046
- Reassigned Medicare billing, Georgia enrollment
- 19 clinicians in this Medicare group
Newnan, GA 30265
- Reassigned Medicare billing, Georgia enrollment
- 729 clinicians in this Medicare group
Gainesville, GA 30501
- Reassigned Medicare billing, Georgia enrollment
- 489 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.
Grady Memorial Hospital
Acute Care Hospitals · Atlanta, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30303 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 30303
ATLANTA, GA 30303
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 Mercedes Madu's NPI number?
The NPI number for Mercedes Madu is 1881231801. It was assigned to this individual provider in the NPPES registry on December 9, 2019. The provider is also known as Mercedes Ladonna Phillips.
Where is Mercedes Madu located?
Mercedes Madu practices at 80 Jesse Hill Jr Dr SE, Atlanta, GA 30303. The listed phone number is (404) 616-1000.
What is Mercedes Madu's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mercedes Madu enrolled in Medicare?
Yes. Mercedes Madu 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 Mercedes Madu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mercedes Madu reassigns Medicare benefits to 12 organizations: Grady Memorial Hospital Corporation (Atlanta, GA), Greater Atlanta Anesthesia, LLC (Atlanta, GA), Concordia Anesthesiology, Inc (Atlanta, GA), Wellstar Medical Group, LLC (Atlanta, GA), North Atlanta Professional Services LLC (Atlanta, GA) and 7 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 Mercedes Madu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mercedes Madu accept?
Health plans from Oscar Health and Oscar Insurance Company list Mercedes Madu 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 Mercedes Madu affiliated with any hospitals?
According to CMS data, Mercedes Madu is affiliated with Grady Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Mercedes Madu was last updated on October 1, 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.