EILEEN SANDRA SEIBERLICH OTR/L, CHT
NPI 1770588956
Occupational Therapist - Hand in Thousand Oaks, CA
About Eileen Sandra Seiberlich Otr/l, Cht NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EILEEN SANDRA SEIBERLICH OTR/L, CHT (NPI 1770588956) is an individual hand provider in Thousand Oaks, California, licensed in California (OT5585) and active in the NPI registry since June 2005. She is a graduate of Loma Linda University School Of Medicine (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Eileen Sandra Seiberlich Otr/l, Cht 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 Eileen Seiberlich reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 7 clinicians in this Medicare group
Woodland Hills, CA 91367
- Reassigned Medicare billing, California enrollment
- 13,921 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 9
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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
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 Eileen Seiberlich's NPI number?
The NPI number for Eileen Seiberlich is 1770588956. It was assigned to this individual provider in the NPPES registry on June 15, 2005.
Where is Eileen Seiberlich located?
Eileen Seiberlich practices at 101 Hodencamp Rd Ste 100, Thousand Oaks, CA 91360. The listed phone number is (805) 495-0516.
What is Eileen Seiberlich's specialty?
The primary specialty registered for this NPI is Occupational Therapist, specializing in Hand, with taxonomy code 225XH1200X.
Is Eileen Seiberlich enrolled in Medicare?
Yes. Eileen Seiberlich 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 Eileen Seiberlich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eileen Seiberlich reassigns Medicare benefits to 2 organizations: The Hand & Upper Extremity Center Inc (Thousand Oaks, CA) and Southern California Permanente Medical Group (Woodland Hills, 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 Eileen Seiberlich'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 Eileen Seiberlich was last updated on December 22, 2023. 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.
# Eileen Sandra Seiberlich, OTR/L, CHT · NPI 1770588956
Hand provider in Thousand Oaks, California. Individual provider, active in the CMS NPPES registry since June 15, 2005.
## Identity
- **NPI:** 1770588956 (Entity type: Individual)
- **Enumerated:** June 15, 2005
- **Primary specialty:** Occupational Therapist - Hand · taxonomy 225XH1200X
- **State license:** OT5585 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 HODENCAMP RD, STE 100, Thousand Oaks, CA 91360-5836
- **Phone:** (805) 495-0516
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The Hand & Upper Extremity Center Inc (NPI 1831213388, Thousand Oaks, CA); Southern California Permanente Medical Group (NPI 1952333478, Woodland Hills, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 1985
## Record status
- **NPPES last updated:** December 22, 2023
- **Other identifiers:** Other 4484430001 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1770588956) · Data from the CMS NPPES public registry.