GRANT MASARU YASUI MD
NPI 1467607929
Anesthesiology in Anaheim, CA
About Grant Masaru Yasui Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRANT MASARU YASUI MD (NPI 1467607929) is an individual anesthesiology provider in Anaheim, California, licensed in California (A92789) and active in the NPI registry since November 2008. He is enrolled in Medicare PECOS and is a graduate of Creighton University School Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses
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
Grant Masaru Yasui Md 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
5Medicare enrollment records show Grant Yasui reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 29 clinicians in this Medicare group
Long Beach, CA 90808
- Reassigned Medicare billing, California enrollment
- 10 clinicians in this Medicare group
Santa Rosa, CA 95404
- Reassigned Medicare billing, California enrollment
- 140 clinicians in this Medicare group
- Reassigned Medicare billing, California enrollment
- 420 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.
ANAHEIM, CA 92807
ANAHEIM, CA 92807
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 Grant Yasui's NPI number?
The NPI number for Grant Yasui is 1467607929. It was assigned to this individual provider in the NPPES registry on November 25, 2008.
Where is Grant Yasui located?
Grant Yasui practices at 441 N Lakeview Ave, Anaheim, CA 92807. The listed phone number is (888) 988-2800.
What is Grant Yasui's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Grant Yasui enrolled in Medicare?
Yes. Grant Yasui 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 Grant Yasui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grant Yasui reassigns Medicare benefits to 5 organizations: Southern California Permanente Medical Group (Anaheim, CA), Crystal Anesthesiology Inc (Orange, CA), Pacific Anesthesia Medical Associates (Long Beach, CA), Anesthesia & Analgesia Medical Group, Inc. (Santa Rosa, CA) and Allied Anesthesia Medical Group Inc (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 Grant Yasui'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 Grant Yasui was last updated on December 3, 2021. 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.
# Grant Masaru Yasui, MD · NPI 1467607929
Anesthesiology physician in Anaheim, California. Individual provider, active in the CMS NPPES registry since November 25, 2008.
## Identity
- **NPI:** 1467607929 (Entity type: Individual)
- **Enumerated:** November 25, 2008
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A92789 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 441 N LAKEVIEW AVE, Anaheim, CA 92807-3028
- **Phone:** (888) 988-2800
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1952333460, Anaheim, CA); Crystal Anesthesiology Inc (NPI 1285320580, Orange, CA); Pacific Anesthesia Medical Associates (NPI 1295116184, Long Beach, CA); Anesthesia & Analgesia Medical Group, Inc. (NPI 1659320984, Santa Rosa, CA); Allied Anesthesia Medical Group Inc (CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Creighton University School Of Medicine, class of 2004
## Record status
- **NPPES last updated:** December 3, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1467607929) · Data from the CMS NPPES public registry.