LISA K IIJIMA N.P.
NPI 1639583545
Nurse Practitioner - Family in Orinda, CA
About Lisa K Iijima N.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LISA K IIJIMA N.P. (NPI 1639583545) is an individual family provider in Orinda, California, licensed in California (21058) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Lisa K Iijima N.p. 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 Lisa Iijima reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 650 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94563 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
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 Lisa Iijima's NPI number?
The NPI number for Lisa Iijima is 1639583545. It was assigned to this individual provider in the NPPES registry on June 18, 2014.
Where is Lisa Iijima located?
Lisa Iijima practices at 140 Brookwood Rd Ste 201, Orinda, CA 94563. The listed phone number is (925) 254-9090.
What is Lisa Iijima's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Lisa Iijima enrolled in Medicare?
Yes. Lisa Iijima 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 Lisa Iijima's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Iijima reassigns Medicare benefits to 2 organizations: Sutter Bay Medical Foundation (Orinda, CA) and John Muir Physician Network (Walnut Creek, 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 Lisa Iijima'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 Lisa Iijima was last updated on October 21, 2024. 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.
# Lisa K Iijima, N.P. · NPI 1639583545
Family physician in Orinda, California. Individual provider, active in the CMS NPPES registry since June 18, 2014.
## Identity
- **NPI:** 1639583545 (Entity type: Individual)
- **Enumerated:** June 18, 2014
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 21058 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 140 BROOKWOOD RD STE 201, Orinda, CA 94563-3047
- **Phone:** (925) 254-9090
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA); John Muir Physician Network (NPI 1841407665, Walnut Creek, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** October 21, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1639583545) · Data from the CMS NPPES public registry.