MRS. JULIE WILLIAMSON M.O.T., OTR/L, CHT
NPI 1013906080
Occupational Therapist - Hand in Larkspur, CA
About Mrs. Julie Williamson M.o.t., Otr/l, Cht NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. JULIE WILLIAMSON M.O.T., OTR/L, CHT (NPI 1013906080) is an individual hand provider in Larkspur, California, licensed in California (OT5103) and active in the NPI registry since October 2005.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mrs. Julie Williamson M.o.t., Otr/l, Cht is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Julie Williamson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Richmond, CA 94801
- Reassigned Medicare billing, California enrollment
- 20,078 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.
LARKSPUR, CA 94939
LARKSPUR, CA 94939
LARKSPUR, CA 94939
LARKSPUR, CA 94939
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 Julie Williamson's NPI number?
The NPI number for Julie Williamson is 1013906080. It was assigned to this individual provider in the NPPES registry on October 20, 2005.
Where is Julie Williamson located?
Julie Williamson practices at 5 Bon Air Rd Suite A105, Larkspur, CA 94939. The listed phone number is (415) 927-2007.
What is Julie Williamson's specialty?
The primary specialty registered for this NPI is Occupational Therapist, specializing in Hand, with taxonomy code 225XH1200X.
Is Julie Williamson enrolled in Medicare?
Yes. Julie Williamson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Julie Williamson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Julie Williamson reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, 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 Julie Williamson'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 Julie Williamson was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mrs. Julie Williamson, M.O.T., OTR/L, CHT · NPI 1013906080
Hand provider in Larkspur, California. Individual provider, active in the CMS NPPES registry since October 20, 2005.
## Identity
- **NPI:** 1013906080 (Entity type: Individual)
- **Enumerated:** October 20, 2005
- **Primary specialty:** Occupational Therapist - Hand · taxonomy 225XH1200X
- **State license:** OT5103 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5 BON AIR RD, SUITE A105, Larkspur, CA 94939-1143
- **Phone:** (415) 927-2007 · **Fax:** (415) 927-7272
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1235226531, Richmond, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 11, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1013906080) · Data from the CMS NPPES public registry.