John Nishioka
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 62
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1201 W La Veta Ave, Orange, CA 92868
- Practice phone
- Call (714) 997-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Children's Hospital of Orange County Main Campus
Orange, California
Find John Nishioka'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.
John Nishioka is a physician assistant in Orange, California
John Nishioka practices at Children's Hospital of Orange County Main Campus in Orange, California.
John Nishioka's NPI, 1316656416, was assigned on November 17, 2022.
- NPI
- 1316656416NPI Registry (opens in a new tab)
- NPI enumeration date
- November 17, 2022
- NPI status
- Active
- Practice phone
- (714) 997-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
John Nishioka practices at Children's Hospital of Orange County Main Campus in Orange, California
John Nishioka's primary practice is Children's Hospital of Orange County Main Campus, at 1201 W La Veta Ave, Orange, CA 92868 in Orange County. The practice phone is (714) 997-3000.
- Children's Hospital of Orange County Main Campus1201 W La Veta Ave, Orange, CA 92868 · Orange CountyPhone(714) 997-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John Nishioka is affiliated with 2 sites of care and 1 medical group
John Nishioka's primary practice is Children's Hospital of Orange County Main Campus in Orange, California. The medical group on file is Emergency Medicine Specialists of Orange County. Dmand AI also links John Nishioka to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John Nishioka's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Nishioka practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Children's Hospital of Orange County Main Campus | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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John Nishioka is one of 11,482 physician assistants in California
Physician assistant is John Nishioka's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near John Nishioka
Counts of physician assistants 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
John Nishioka treated 13 Medicare patients in 2024, average age 79
CMS counts 13 Medicare patients who saw John Nishioka in 2024. Their average risk score is 1.63, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts John Nishioka's median patient age at 10, with 47% women.
John Nishioka's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John Nishioka wrote 62 Medicare Part D claims in 2024
In 2024, John Nishioka wrote 62 Medicare Part D claims for 45 patients. 92% of them were for generic drugs.
John Nishioka's Part D claims by kind of drug, 2024
- Generic57 claims92%
- Brand-name and other5 claims8%
Drug classes CMS tracks in John Nishioka's Part D claims, 2024
- Antibiotics60%37 of 62 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for John Nishioka'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 John Nishioka
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Nishioka's NPI number?
John Nishioka's NPI number is 1316656416. It was assigned on November 17, 2022, and it is active in the NPI Registry.
What does John Nishioka specialize in?
John Nishioka is a physician assistant in Orange, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does John Nishioka practice?
John Nishioka practices at 1201 W La Veta Ave, Orange, CA 92868. John Nishioka's primary practice is Children's Hospital of Orange County Main Campus in Orange, California. Dmand AI also links John Nishioka to 1 group practice or clinic.
What is John Nishioka's office phone number?
The practice phone on file for John Nishioka is (714) 997-3000.
What medical group is John Nishioka part of?
John Nishioka is linked to Emergency Medicine Specialists of Orange County.
How many Medicare patients does John Nishioka see?
CMS counts 13 Medicare patients who saw John Nishioka in 2024, with an average age of 79.
How long has John Nishioka been practicing?
John Nishioka's NPI was assigned in 2022.
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