CATHERINE LYNN POSTEMA AGACNP-BC
NPI 1992246557
Nurse Practitioner - Acute Care in Atlanta, GA
About Catherine Lynn Postema Agacnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE LYNN POSTEMA AGACNP-BC (NPI 1992246557) is an individual acute care provider in Atlanta, Georgia, licensed in Georgia (RN218306) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Grady Memorial Hospital, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 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
Catherine Lynn Postema Agacnp-bc 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
4Medicare enrollment records show Catherine Postema reassigns Medicare billing to 4 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
- 2,681 clinicians in this Medicare group
Atlanta, GA 30303
- Reassigned Medicare billing, Georgia enrollment
- 771 clinicians in this Medicare group
Atlanta, GA 30322
- Reassigned Medicare billing, Georgia enrollment
- 4,840 clinicians in this Medicare group
Atlanta, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 466 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.
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.
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 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 Catherine Postema's NPI number?
The NPI number for Catherine Postema is 1992246557. It was assigned to this individual provider in the NPPES registry on March 15, 2017.
Where is Catherine Postema located?
Catherine Postema practices at 80 Jesse Hill Jr Dr SE, Atlanta, GA 30303. The listed phone number is (404) 616-1000.
What is Catherine Postema's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Catherine Postema enrolled in Medicare?
Yes. Catherine Postema 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 Catherine Postema's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Postema reassigns Medicare benefits to 4 organizations: Emory Medical Care Foundation Inc (Atlanta, GA), Grady Memorial Hospital Corporation (Atlanta, GA), The Emory Clinic Inc (Atlanta, GA) and Northside Primary Care Professional Services,llc (Atlanta, GA). 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 Catherine Postema's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Postema accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 1 other insurer list Catherine Postema 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 Catherine Postema affiliated with any hospitals?
According to CMS data, Catherine Postema is affiliated with Grady Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Catherine Postema was last updated on May 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Catherine Lynn Postema, AGACNP-BC · NPI 1992246557
Acute Care physician in Atlanta, Georgia. Individual provider, active in the CMS NPPES registry since March 15, 2017.
## Identity
- **NPI:** 1992246557 (Entity type: Individual)
- **Enumerated:** March 15, 2017
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** RN218306 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 80 JESSE HILL JR DR SE, Atlanta, GA 30303-3031
- **Phone:** (404) 616-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Emory Medical Care Foundation Inc (NPI 1063678563, Atlanta, GA); Grady Memorial Hospital Corporation (NPI 1114243813, Atlanta, GA); The Emory Clinic Inc (NPI 1396798229, Atlanta, GA); Northside Primary Care Professional Services,llc (NPI 1922397553, Atlanta, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** May 10, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1992246557) · Data from the CMS NPPES public registry.