STACY W. NAKAMURA
NPI 1346428224
Social Worker - Clinical in Irvine, CA
About Stacy W. Nakamura NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STACY W. NAKAMURA (NPI 1346428224) is an individual clinical provider in Irvine, California, licensed in California (LCSW68922) and active in the NPI registry since February 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fullerton, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
Stacy W. Nakamura 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
6Medicare enrollment records show Stacy Nakamura reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Irvine, CA 92604
- Reassigned Medicare billing, California enrollment
- 212 clinicians in this Medicare group
Burbank, CA 91505
- Reassigned Medicare billing, California enrollment
- 236 clinicians in this Medicare group
El Cajon, CA 92020
- Reassigned Medicare billing, California enrollment
- 212 clinicians in this Medicare group
Las Vegas, NV 89119
- Reassigned Medicare billing, Nevada enrollment
- 57 clinicians in this Medicare group
Seattle, WA 98109
- Reassigned Medicare billing, Washington enrollment
- 34 clinicians in this Medicare group
Rockville, MD 20854
- Reassigned Medicare billing, Arizona enrollment
- 163 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92604 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IRVINE, CA 92604
IRVINE, CA 92604
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 Stacy Nakamura's NPI number?
The NPI number for Stacy Nakamura is 1346428224. It was assigned to this individual provider in the NPPES registry on February 4, 2008.
Where is Stacy Nakamura located?
Stacy Nakamura practices at 14330 Culver Dr, Irvine, CA 92604. The listed phone number is (949) 559-8129.
What is Stacy Nakamura's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Stacy Nakamura enrolled in Medicare?
Yes. Stacy Nakamura 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 Stacy Nakamura's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stacy Nakamura reassigns Medicare benefits to 6 organizations: Minuteclinic Diagnostic Medical Group Of Orange County Inc (Irvine, CA), Minuteclinic Diagnostic Medical Group Of California Inc (Burbank, CA), Minuteclinic Diagnostic Medical Group Of San Diego Inc (El Cajon, CA), Mc Medical Group Of Nevada, P.C (Las Vegas, NV), Minuteclinic Diagnostic Of Washington, PLLC (Seattle, WA) and 1 more organization, listed in the Medicare section above. 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 Stacy Nakamura's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stacy Nakamura accept?
Health plans from Cigna HealthCare of Arizona, Inc list Stacy Nakamura as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Stacy Nakamura was last updated on March 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
# Stacy W. Nakamura · NPI 1346428224
Clinical provider in Irvine, California. Individual provider, active in the CMS NPPES registry since February 4, 2008.
## Identity
- **NPI:** 1346428224 (Entity type: Individual)
- **Enumerated:** February 4, 2008
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** LCSW68922 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 14330 CULVER DR, Irvine, CA 92604-0303
- **Phone:** (949) 559-8129 · **Fax:** (949) 559-0123
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Minuteclinic Diagnostic Medical Group Of Orange County Inc (NPI 1104013879, Irvine, CA); Minuteclinic Diagnostic Medical Group Of California Inc (NPI 1033309372, Burbank, CA); Minuteclinic Diagnostic Medical Group Of San Diego Inc (NPI 1568659233, El Cajon, CA); Mc Medical Group Of Nevada, P.C (NPI 1730266537, Las Vegas, NV); Minuteclinic Diagnostic Of Washington, PLLC (NPI 1508459298, Seattle, WA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** March 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1346428224) · Data from the CMS NPPES public registry.