RHIANNON CHRISTINE RYAN
NPI 1184205668
Family Medicine in San Diego, CA
About Rhiannon Christine Ryan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RHIANNON CHRISTINE RYAN (NPI 1184205668) is an individual family medicine provider in San Diego, California, licensed in California (20A22746) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Wilmington, and is a graduate of Touro Un Col Of Osteopathic Medicine, Henderson (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Rhiannon Christine Ryan 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
2Medicare enrollment records show Rhiannon Ryan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92111
- Reassigned Medicare billing, California enrollment
- 1,233 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 526 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92121 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.
SAN DIEGO, CA 92121
SAN DIEGO, CA 92121
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 Rhiannon Ryan's NPI number?
The NPI number for Rhiannon Ryan is 1184205668. It was assigned to this individual provider in the NPPES registry on April 16, 2021.
Where is Rhiannon Ryan located?
Rhiannon Ryan practices at 9333 Genesee Ave, San Diego, CA 92121. The listed phone number is (800) 926-8273.
What is Rhiannon Ryan's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Rhiannon Ryan enrolled in Medicare?
Yes. Rhiannon Ryan 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 Rhiannon Ryan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rhiannon Ryan reassigns Medicare benefits to 2 organizations: Sharp Rees-Stealy Medical Group, Inc (San Diego, CA) and Regents Of The University Of California (San Diego, 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 Rhiannon Ryan'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 Rhiannon Ryan was last updated on August 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.