LISA N. OKI, MD A MEDICAL CORPORATION
NPI 1629297189
Dermatology in Simi Valley, CA
About Lisa N. Oki, Md A Medical Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LISA N. OKI, MD A MEDICAL CORPORATION (NPI 1629297189) is a healthcare organization registered as a dermatology in Simi Valley, California and active in the NPI registry since April 2007. The organization lists Lisa N. Oki, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Lisa N. Oki, Md A Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by October 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Lisa N. Oki, MD A Medical Corporation, 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 Lisa N. Oki, MD A Medical Corporation's NPI number?
The NPI number for Lisa N. Oki, MD A Medical Corporation is 1629297189. It was assigned to this organization in the NPPES registry on April 24, 2007.
Where is Lisa N. Oki, MD A Medical Corporation located?
Lisa N. Oki, MD A Medical Corporation is located at 2925 Sycamore Dr Suite 101, Simi Valley, CA 93065. The listed phone number is (805) 520-6430.
What is Lisa N. Oki, MD A Medical Corporation's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Lisa N. Oki, MD A Medical Corporation enrolled in Medicare?
Yes. Lisa N. Oki, MD A Medical Corporation is registered in the Medicare PECOS enrollment system.
When is Lisa N. Oki, MD A Medical Corporation's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Lisa N. Oki, MD A Medical Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Dermatology) reassigns their Medicare billing to Lisa N. Oki, MD A Medical Corporation. 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 Lisa N. Oki, MD A Medical Corporation was last updated on August 22, 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.
# Lisa N. Oki, Md A Medical Corporation · NPI 1629297189
Dermatology organization in Simi Valley, California. Organization record, active in the CMS NPPES registry since April 24, 2007.
## Identity
- **NPI:** 1629297189 (Entity type: Organization)
- **Enumerated:** April 24, 2007
- **Primary specialty:** Dermatology · taxonomy 207N00000X
- **Organization subpart:** No
- **Authorized official:** Lisa Oki, PRESIDENT
## Practice location
- **Address:** 2925 SYCAMORE DR, SUITE 101, Simi Valley, CA 93065-1207
- **Phone:** (805) 520-6430 · **Fax:** (805) 520-5955
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** October 31, 2026 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Dermatology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 22, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1629297189) · Data from the CMS NPPES public registry.