Joy Yamasaki, NP
- Part D claims, 2024
- 55
- Industry payments
- $301
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1700 E Cesar E Chavez Ave Suite 2500 Suite 2500, Los Angeles, CA 90033-2434
- Practice phone
- Call (323) 268-6731
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Los Angeles Center For Ear Nose Throat And Allergy - Los Angeles (E Cesar E Chavez Ave)
Medical specialty practice · Los Angeles, California
Find Joy Yamasaki's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Joy Yamasaki is a family nurse practitioner in West Covina, California
Joy Yamasaki practices at Los Angeles Center For Ear Nose Throat And Allergy - Los Angeles (E Cesar E Chavez Ave) in Los Angeles, California.
Joy Yamasaki's NPI, 1326807702, was assigned on March 18, 2024. Joy Yamasaki holds California license 95023674.
- NPI
- 1326807702NPI Registry (opens in a new tab)
- NPI enumeration date
- March 18, 2024
- NPI status
- Active
- Practice phone
- (323) 268-6731
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Joy Yamasaki practices in Los Angeles and West Covina
Joy Yamasaki's primary practice is Los Angeles Center for Ear Nose Throat and Allergy - Los Angeles (E Cesar E Chavez Ave), at 1700 E Cesar E Chavez Ave Suite 2500 Suite 2500, Los Angeles, CA 90033-2434. The practice phone is (323) 268-6731. The NPI Registry lists Joy Yamasaki's practice address as 1115 S Sunset Ave, West Covina, CA 91790.
- Los Angeles Center for Ear Nose Throat and Allergy - Los Angeles (E Cesar E Chavez Ave)Primary1700 E Cesar E Chavez Ave Suite 2500 Suite 2500, Los Angeles, CA 90033-2434Phone(323) 268-6731
- NPI Registry address1115 S Sunset Ave, West Covina, CA 91790 · Los Angeles County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Joy Yamasaki is affiliated with 1 site of care and 1 medical group
Joy Yamasaki's primary practice is Los Angeles Center For Ear Nose Throat And Allergy - Los Angeles (E Cesar E Chavez Ave) in Los Angeles, California. The medical group on file is Los Angeles Center for Ear, Nose, Throat and Allergy.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Joy Yamasaki's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joy Yamasaki practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Los Angeles Center For Ear Nose Throat And Allergy - Los Angeles (E Cesar E Chavez Ave) | Available with a free account |
Source: Dmand AI Technology Install Data
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Joy Yamasaki is one of 13,532 family nurse practitioners in California
Family is Joy Yamasaki's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Joy Yamasaki is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Joy Yamasaki
Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Joy Yamasaki's patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Joy Yamasaki's median patient age at 43, with 73% women.
Joy Yamasaki's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women73%
- Men27%
Source: Dmand AI Patient Panel Data
Joy Yamasaki wrote 55 Medicare Part D claims in 2024
In 2024, Joy Yamasaki wrote 55 Medicare Part D claims for 33 patients. 89% of them were for generic drugs.
Joy Yamasaki's Part D claims by kind of drug, 2024
- Generic49 claims89%
- Brand-name and other6 claims11%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Joy Yamasaki received $301 in industry payments in 2025
CMS Open Payments shows 2 general payments to Joy Yamasaki from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $153.
Companies that paid Joy Yamasaki the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Joy Yamasaki's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Joy Yamasaki
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Joy Yamasaki's NPI number?
Joy Yamasaki's NPI number is 1326807702. It was assigned on March 18, 2024, and it is active in the NPI Registry.
What does Joy Yamasaki specialize in?
Joy Yamasaki is a family nurse practitioner in West Covina, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Joy Yamasaki practice?
Joy Yamasaki practices at 1700 E Cesar E Chavez Ave Suite 2500 Suite 2500, Los Angeles, CA 90033-2434. Joy Yamasaki also practices at 1115 S Sunset Ave, West Covina, CA 91790. Joy Yamasaki's primary practice is Los Angeles Center For Ear Nose Throat And Allergy - Los Angeles (E Cesar E Chavez Ave) in Los Angeles, California.
What is Joy Yamasaki's office phone number?
The practice phone on file for Joy Yamasaki is (323) 268-6731.
What is Joy Yamasaki's medical license number?
Joy Yamasaki holds California license 95023674.
What medical group is Joy Yamasaki part of?
Joy Yamasaki is linked to Los Angeles Center for Ear, Nose, Throat and Allergy.
Has Joy Yamasaki received payments from drug or device companies?
CMS Open Payments shows $301 in general payments to Joy Yamasaki from 2 companies from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Joy Yamasaki been practicing?
Joy Yamasaki graduated from medical school in 2022, 4 years ago.
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