Isabelle Hsi-Lin Oka
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2026
- Practice address
- 757 Westwood Plaza, Los Angeles, CA 90095
- Practice phone
- Call (310) 825-6301
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Isabelle Oka'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.
Isabelle Hsi-Lin Oka is a nurse practitioner in Los Angeles, California
Isabelle Oka practices at Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health.
Isabelle Oka's NPI, 1245181718, was assigned on February 9, 2026. Isabelle Oka holds California license 95031007.
- NPI
- 1245181718NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517433626
- NPI enumeration date
- February 9, 2026
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 825-6301
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Isabelle Hsi-Lin Oka practices at Ronald Reagan UCLA Medical Center in Los Angeles, California
Isabelle Oka's primary practice is Ronald Reagan UCLA Medical Center, at 757 Westwood Plaza, Los Angeles, CA 90095 in Los Angeles County. The practice phone is (310) 825-6301.
- Ronald Reagan UCLA Medical Center757 Westwood Plaza, Los Angeles, CA 90095 · Los Angeles CountyPhone(310) 825-6301
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Isabelle Hsi-Lin Oka is affiliated with 1 site of care and 1 medical group
Isabelle Oka's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. The medical group on file is UCLA Cardiothoracic Surgery Associates.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Isabelle Hsi-Lin Oka's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Isabelle Oka practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ronald Reagan UCLA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Isabelle Hsi-Lin Oka is one of 5,983 nurse practitioners in California
Nurse practitioner is Isabelle Oka's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Isabelle Oka is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Isabelle Oka
Counts of 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
How Isabelle Hsi-Lin Oka takes part in Medicare
Isabelle Oka accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Isabelle Hsi-Lin Oka'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Isabelle Hsi-Lin Oka
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Isabelle Hsi-Lin Oka's NPI number?
Isabelle Hsi-Lin Oka's NPI number is 1245181718. It was assigned on February 9, 2026, and it is active in the NPI Registry.
What does Isabelle Hsi-Lin Oka specialize in?
Isabelle Hsi-Lin Oka is a nurse practitioner in Los Angeles, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Isabelle Hsi-Lin Oka practice?
Isabelle Oka practices at 757 Westwood Plaza, Los Angeles, CA 90095. Isabelle Oka's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health.
What is Isabelle Hsi-Lin Oka's office phone number?
The practice phone on file for Isabelle Oka is (310) 825-6301.
What is Isabelle Hsi-Lin Oka's medical license number?
Isabelle Oka holds California license 95031007.
Which hospitals is Isabelle Hsi-Lin Oka affiliated with?
Isabelle Oka practices at Ronald Reagan UCLA Medical Center in Los Angeles, California.
What medical group is Isabelle Hsi-Lin Oka part of?
Isabelle Oka is linked to UCLA Cardiothoracic Surgery Associates.
Does Isabelle Hsi-Lin Oka accept Medicare?
Yes. CMS lists Isabelle Oka as accepting Medicare assignment.
How long has Isabelle Hsi-Lin Oka been practicing?
Isabelle Oka's NPI was assigned in 2026.
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