Darin Hideaki Chun, OD
- Medicare patients, 2024
- 23
- Industry payments
- $118
- Affiliated sites
- 2
- Medical group
- 1
- State licenses
- 2
- Practice address
- 3333 Skypark Dr, Torrance, CA 90505
- Practice phone
- Call (310) 784-6300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Torrance Memorial Physician Network Primary Care
Imaging Center - Main Location · Torrance, California
Find Darin Chun'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.
Darin Hideaki Chun is an optometrist in Torrance, California
Darin Chun practices at Torrance Memorial Physician Network Primary Care in Torrance, California.
Darin Chun's NPI, 1760043863, was assigned on June 28, 2019. Darin Chun holds California license 34430.
- NPI
- 1760043863NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618206392
- NPI enumeration date
- June 28, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 784-6300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Darin Hideaki Chun practices at Torrance Memorial Physician Network Primary Care in Torrance, California
Darin Chun's primary practice is Torrance Memorial Physician Network Primary Care, at 3333 Skypark Dr, Torrance, CA 90505. The practice phone is (310) 784-6300.
- Torrance Memorial Physician Network Primary Care3333 Skypark Dr, Torrance, CA 90505Phone(310) 784-6300
Source: Dmand AI Affiliation Data
Darin Hideaki Chun is affiliated with 2 sites of care and 1 medical group
Darin Chun's primary practice is Torrance Memorial Physician Network Primary Care in Torrance, California. Dmand AI also links Darin Chun to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Darin Hideaki Chun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Darin Chun practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Torrance Memorial Physician Network Primary Care | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Darin Hideaki Chun is one of 7,206 optometrists in California
Optometrist is Darin Chun's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has Darin Chun's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
- New York license
Optometrists near Darin Chun
Counts of optometrists 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
Darin Hideaki Chun treated 23 Medicare patients in 2024, average age 76
CMS counts 23 Medicare patients who saw Darin Chun in 2024. The largest group is 75 to 84, with 11 patients. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Darin Chun's median patient age at 65, with 60% women.
Darin Chun's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Darin Chun's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis57%
Share of Medicare patients with each condition. A patient can have several.
Darin Chun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Darin Hideaki Chun takes part in Medicare
Darin Chun 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)
Darin Hideaki Chun received $118 in industry payments in 2025
CMS Open Payments shows 3 general payments to Darin Chun from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $68.
Companies that paid Darin Chun 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 Darin Hideaki Chun'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Darin Hideaki Chun
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Darin Hideaki Chun's NPI number?
Darin Hideaki Chun's NPI number is 1760043863. It was assigned on June 28, 2019, and it is active in the NPI Registry.
What does Darin Hideaki Chun specialize in?
Darin Hideaki Chun is an optometrist in Torrance, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Darin Hideaki Chun practice?
Darin Chun practices at 3333 Skypark Dr, Torrance, CA 90505. Darin Chun's primary practice is Torrance Memorial Physician Network Primary Care in Torrance, California. Dmand AI also links Darin Chun to 1 group practice or clinic and 1 medical group.
What is Darin Hideaki Chun's office phone number?
The practice phone on file for Darin Chun is (310) 784-6300.
What is Darin Hideaki Chun's medical license number?
Darin Chun holds California license 34430, one of the licenses on file in 2 states.
Which states has Darin Hideaki Chun been licensed in?
Dmand AI has state licenses on file for Darin Chun in California and New York.
Does Darin Hideaki Chun accept Medicare?
Yes. CMS lists Darin Chun as accepting Medicare assignment.
How many Medicare patients does Darin Hideaki Chun see?
CMS counts 23 Medicare patients who saw Darin Chun in 2024, with an average age of 76.
Has Darin Hideaki Chun received payments from drug or device companies?
CMS Open Payments shows $118 in general payments to Darin Chun from 2 companies from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Darin Hideaki Chun been practicing?
Darin Chun graduated from medical school in 2019, 7 years ago.
Selling to optometrist practices?
See optometrists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card