BRENDA N HAYAKAWA MD
NPI 1679527386
Emergency Medicine in San Dimas, CA
About Brenda N Hayakawa Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRENDA N HAYAKAWA MD (NPI 1679527386) is an individual emergency medicine provider in San Dimas, California, licensed in California (G63803) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Brenda N Hayakawa 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 Reassignment
Medicare enrollment records show Brenda Hayakawa reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Covina, CA 91723
- Reassigned Medicare billing, California enrollment
- 1,204 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 6
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 91773 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SAN DIMAS, CA 91773
SAN DIMAS, CA 91773
SAN DIMAS, CA 91773
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 Brenda Hayakawa's NPI number?
The NPI number for Brenda Hayakawa is 1679527386. It was assigned to this individual provider in the NPPES registry on May 19, 2006.
Where is Brenda Hayakawa located?
Brenda Hayakawa practices at 1350 W Covina Blvd, San Dimas, CA 91773. The listed phone number is (909) 599-6811.
What is Brenda Hayakawa's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Brenda Hayakawa enrolled in Medicare?
Yes. Brenda Hayakawa 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 organization bills Medicare for Brenda Hayakawa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brenda Hayakawa reassigns Medicare benefits to Cep America - California (Covina, CA). The 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 Brenda Hayakawa'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 Brenda Hayakawa was last updated on July 18, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Brenda N Hayakawa, MD · NPI 1679527386
Emergency Medicine physician in San Dimas, California. Individual provider, active in the CMS NPPES registry since May 19, 2006.
## Identity
- **NPI:** 1679527386 (Entity type: Individual)
- **Enumerated:** May 19, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** G63803 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1350 W COVINA BLVD, San Dimas, CA 91773-3245
- **Phone:** (909) 599-6811 · **Fax:** (818) 587-2493
## 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:** Cep America - California (NPI 1235503947, Covina, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1986
## Record status
- **NPPES last updated:** July 18, 2007
- **Other identifiers:** Other 00G638030 (CA); Medicare UPIN E67444 (CA); Medicare ID-Type Unspecified WG63803C (CA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1679527386) · Data from the CMS NPPES public registry.