OPTIMAL FUNCTION PHYSICAL THERAPY
NPI 1437861705
Physical Therapist - Orthopedic in Lake Forest, CA
About Optimal Function Physical Therapy NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OPTIMAL FUNCTION PHYSICAL THERAPY (NPI 1437861705) is a healthcare organization registered as an orthopedic in Lake Forest, California and active in the NPI registry since December 2022. The organization lists Kimberly Parkan, Owner/therapist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Optimal Function Physical Therapy is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Optimal Function Physical Therapy, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Optimal Function Physical Therapy's NPI number?
The NPI number for Optimal Function Physical Therapy is 1437861705. It was assigned to this organization in the NPPES registry on December 19, 2022.
Where is Optimal Function Physical Therapy located?
Optimal Function Physical Therapy is located at 22891 Plainview Cir, Lake Forest, CA 92630. The listed phone number is (949) 705-7695.
What is Optimal Function Physical Therapy's specialty?
The primary specialty registered for this NPI is Physical Therapist, specializing in Orthopedic, with taxonomy code 2251X0800X.
Is Optimal Function Physical Therapy enrolled in Medicare?
Yes. Optimal Function Physical Therapy is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Optimal Function Physical Therapy?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Physical Therapist in Private Practice) reassigns their Medicare billing to Optimal Function Physical Therapy. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Optimal Function Physical Therapy was last updated on December 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Optimal Function Physical Therapy · NPI 1437861705
Orthopedic organization in Lake Forest, California. Organization record, active in the CMS NPPES registry since December 19, 2022.
## Identity
- **NPI:** 1437861705 (Entity type: Organization)
- **Enumerated:** December 19, 2022
- **Primary specialty:** Physical Therapist - Orthopedic · taxonomy 2251X0800X
- **Organization subpart:** No
- **Authorized official:** Kimberly Parkan, OWNER/THERAPIST
## Practice location
- **Address:** 22891 PLAINVIEW CIR, Lake Forest, CA 92630-2973
- **Phone:** (949) 705-7695 · **Fax:** (949) 215-4281
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Physical Therapist in Private Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 19, 2022
- **Other identifiers:** Other PT29958 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1437861705) · Data from the CMS NPPES public registry.