DR. RYAN GREGORY DON D.P.T.
NPI 1841430840
Physical Therapist in Santa Ana, CA
About Dr. Ryan Gregory Don D.p.t. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RYAN GREGORY DON D.P.T. (NPI 1841430840) is an individual physical therapist in Santa Ana, California, licensed in California (PT33492) and active in the NPI registry since March 2009.
NPPES Registry Identity
Specialties & Licenses
- Diagnose and manage movement dysfunction and enhance physical and functional abilities.
- Restore, maintain, and promote not only optimal physical function but optimal wellness and fitness and optimal quality of life as it relates to movement and health.
- Prevent the onset, symptoms, and progression of impairments, functional limitations, and disabilities that may result from diseases, disorders, conditions, or injuries.
- Treat conditions of the musculoskeletal, neuromuscular, cardiovascular, pulmonary, and/or integumentary systems.
- Address the negative effects attributable to unique personal and environmental factors as they relate to human performance.
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 Gregory Don D.p.t. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ryan Don reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 137 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.
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.
SANTA ANA, CA 92705
SANTA ANA, CA 92705
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 Don's NPI number?
The NPI number for Ryan Don is 1841430840. It was assigned to this individual provider in the NPPES registry on March 3, 2009.
Where is Ryan Don located?
Ryan Don practices at 999 N Tustin Ave Suite 201, Santa Ana, CA 92705. The listed phone number is (714) 975-7950.
What is Ryan Don's specialty?
The primary specialty registered for this NPI is Physical Therapist with taxonomy code 225100000X.
Is Ryan Don enrolled in Medicare?
Yes. Ryan Don is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ryan Don's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Don reassigns Medicare benefits to Integrated Pain Management Medical Group, Inc. (Walnut Creek, CA). The 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 Don'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 Don was last updated on October 9, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.