NASH MCMILLAN OTR/L
NPI 1689343493
Occupational Therapist in Antioch, CA
About Nash Mcmillan Otr/l NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NASH MCMILLAN OTR/L (NPI 1689343493) is an individual occupational therapist in Antioch, California, licensed in California (17244) and active in the NPI registry since September 2021. He is a graduate of Other (2016).
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
Nash Mcmillan Otr/l 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 Nash Mcmillan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Billings, MT 59106
- Reassigned Medicare billing, California enrollment
- 332 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 5
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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Nash Mcmillan's NPI number?
The NPI number for Nash Mcmillan is 1689343493. It was assigned to this individual provider in the NPPES registry on September 7, 2021.
Where is Nash Mcmillan located?
Nash Mcmillan practices at 4751 Dallas Ranch Rd, Antioch, CA 94531. The listed phone number is (925) 350-0291.
What is Nash Mcmillan's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Nash Mcmillan enrolled in Medicare?
Yes. Nash Mcmillan 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 Nash Mcmillan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nash Mcmillan reassigns Medicare benefits to Orthopaedic And Neurological Rehab Inc (Billings, MT). 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 Nash Mcmillan'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 Nash Mcmillan was last updated on September 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.