DARREN DON MD
NPI 1124292941
Physical Medicine & Rehabilitation in Palo Alto, CA
About Darren Don Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DARREN DON MD (NPI 1124292941) is an individual physical medicine & rehabilitation provider in Palo Alto, California, licensed in California (A83804) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2000).
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 and accepts Medicare assignment
Darren Don Md 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 Reassignment
Medicare enrollment records show Darren Don reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 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 10
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.
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.
PALO ALTO, CA 94301
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 Darren Don's NPI number?
The NPI number for Darren Don is 1124292941. It was assigned to this individual provider in the NPPES registry on April 14, 2008.
Where is Darren Don located?
Darren Don practices at 795 El Camino Real, Palo Alto, CA 94301. The listed phone number is (650) 853-2990.
What is Darren Don's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Darren Don enrolled in Medicare?
Yes. Darren Don 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 organization bills Medicare for Darren Don's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Darren Don reassigns Medicare benefits to Sutter Bay Medical Foundation (Palo Alto, 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 Darren 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 Darren Don was last updated on May 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.