DR. RYAN ALLEN KELLN D.O.
NPI 1033478474
Pediatrics in Nashville, TN
About Dr. Ryan Allen Kelln D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RYAN ALLEN KELLN D.O. (NPI 1033478474) is an individual pediatrics provider in Nashville, Tennessee, licensed in Tennessee (3084) and active in the NPI registry since May 2012. 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)
Dr. Ryan Allen Kelln D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Ryan Kelln reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 clinicians in this Medicare group
- Reassigned Medicare billing, California enrollment
- 16 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 37232 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.
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
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 Ryan Kelln's NPI number?
The NPI number for Ryan Kelln is 1033478474. It was assigned to this individual provider in the NPPES registry on May 4, 2012.
Where is Ryan Kelln located?
Ryan Kelln practices at 1215 21st Ave S Medical Center East, Suite 3200, Nashville, TN 37232. The listed phone number is (615) 936-7846.
What is Ryan Kelln's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Ryan Kelln enrolled in Medicare?
Yes. Ryan Kelln is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ryan Kelln's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Kelln reassigns Medicare benefits to 2 organizations: Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA) and Chla Teaching Clinics LLC (CA). 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 Ryan Kelln'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 Ryan Kelln was last updated on August 4, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.