THOMAS ALEXANDER KOEN APRN,AGNP-C
NPI 1801353503
Nurse Practitioner in Birmingham, AL
About Thomas Alexander Koen Aprn,agnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS ALEXANDER KOEN APRN,AGNP-C (NPI 1801353503) is an individual nurse practitioner in Birmingham, Alabama, licensed in Alabama (1128686) and active in the NPI registry since February 2019. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Thomas Alexander Koen Aprn,agnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Thomas Koen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Clanton, AL 35045
- Reassigned Medicare billing, Alabama enrollment
- 7 clinicians in this Medicare group
Zirconia, NC 28790
- Reassigned Medicare billing, North Carolina enrollment
- 34 clinicians in this Medicare group
Houston, TX 77070
- Reassigned Medicare billing, Texas enrollment
- 122 clinicians in this Medicare group
Beachwood, OH 44122
- Reassigned Medicare billing, Alabama and South Carolina enrollments
- 48 clinicians in this Medicare group
Pembroke Pines, FL 33027
- Reassigned Medicare billing, Tennessee enrollment
- 57 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 35243 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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BIRMINGHAM, AL 35243
BIRMINGHAM, AL 35243
BIRMINGHAM, AL 35243
BIRMINGHAM, AL 35243
BIRMINGHAM, AL 35243
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 Thomas Koen's NPI number?
The NPI number for Thomas Koen is 1801353503. It was assigned to this individual provider in the NPPES registry on February 28, 2019.
Where is Thomas Koen located?
Thomas Koen practices at 1 Perimeter Park S Ste 195A, Birmingham, AL 35243. The listed phone number is (668) 490-6928.
What is Thomas Koen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Thomas Koen enrolled in Medicare?
Yes. Thomas Koen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Thomas Koen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Koen reassigns Medicare benefits to 5 organizations: Chilton Family Medicine, P.C. (Clanton, AL), Devoted Medical Nc PC (Zirconia, NC), Devoted Medical Group Of Texas Inc (Houston, TX), Devoted Medical Group Inc (Beachwood, OH) and Devoted Medical Group Professional Corporation (Pembroke Pines, FL). 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 Thomas Koen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Thomas Koen was last updated on May 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.
# Thomas Alexander Koen, APRN,AGNP-C · NPI 1801353503
Nurse Practitioner physician in Birmingham, Alabama. Individual provider, active in the CMS NPPES registry since February 28, 2019.
## Identity
- **NPI:** 1801353503 (Entity type: Individual)
- **Enumerated:** February 28, 2019
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 1128686 (Alabama)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 PERIMETER PARK S STE 195A, Birmingham, AL 35243-2327
- **Phone:** (668) 490-6928 · **Fax:** (888) 973-8821
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Chilton Family Medicine, P.C. (NPI 1548338247, Clanton, AL); Devoted Medical Nc PC (NPI 1295443554, Zirconia, NC); Devoted Medical Group Of Texas Inc (NPI 1982202800, Houston, TX); Devoted Medical Group Inc (NPI 1609474527, Beachwood, OH); Devoted Medical Group Professional Corporation (NPI 1245838168, Pembroke Pines, FL) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 14, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1801353503) · Data from the CMS NPPES public registry.