James K. Yoo, OD
- Medicare patients, 2024
- 77
- Industry payments
- $25
- Affiliated sites
- 4
- Medical groups
- 4
- State license
- 1
- Practice address
- 2230 Lynn Rd, Thousand Oaks, CA 91360
- Practice phone
- Call (805) 370-3137
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lynn Eye Surgery Center
Thousand Oaks, California
Find James Yoo'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.
James K. Yoo is an optometrist in Thousand Oaks, California
James Yoo practices at Lynn Eye Surgery Center in Thousand Oaks, California.
James Yoo's NPI, 1407909922, was assigned on January 19, 2007. James Yoo graduated from Southern College of Optometry in 2005. James Yoo holds California license 13107.
- NPI
- 1407909922NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325144462
- NPI enumeration date
- January 19, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 370-3137
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
James K. Yoo practices at Lynn Eye Surgery Center in Thousand Oaks, California
James Yoo's primary practice is Lynn Eye Surgery Center, at 2230 Lynn Rd, Thousand Oaks, CA 91360 in Ventura County. The practice phone is (805) 370-3137.
- Lynn Eye Surgery Center2230 Lynn Rd, Thousand Oaks, CA 91360 · Ventura CountyPhone(805) 370-3137
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
James K. Yoo is affiliated with 5 sites of care and 4 medical groups
James Yoo's primary practice is Lynn Eye Surgery Center in Thousand Oaks, California. Dmand AI also links James Yoo to 4 group practices and clinics and 4 medical groups, each 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 James K. Yoo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Yoo practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lynn Eye Surgery Center | Available with a free account |
| +4 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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James K. Yoo is one of 7,206 optometrists in California
Optometrist is James Yoo's primary specialty in the NPI Registry, under taxonomy code 152W00000X. James Yoo is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near James Yoo
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
James K. Yoo treated 77 Medicare patients in 2024, average age 74
CMS counts 77 Medicare patients who saw James Yoo in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts James Yoo's median patient age at 68, with 59% women.
James Yoo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
James Yoo's Medicare patients by sex, 2024
- Women4660%
- Men3140%
Chronic conditions among James Yoo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis40%
- Diabetes30%
- Osteoporosis25%
- Ischemic heart disease21%
- Anxiety17%
- Chronic kidney disease14%
Share of Medicare patients with each condition. A patient can have several.
James Yoo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women59%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
James K. Yoo ranks in the 34th percentile for cataract surgery in Medicare
James Yoo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of cataract surgery by James Yoo, more than 34% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where James Yoo ranks in Medicare procedure volume
- Cataract surgery
- 34th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
James K. Yoo received $25 in industry payments in 2025
CMS Open Payments shows 1 general payment to James Yoo from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $25.
Companies that paid James Yoo the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
James K. Yoo graduated from Southern College of Optometry
James Yoo graduated from Southern College of Optometry in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for James K. Yoo'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 James K. Yoo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James K. Yoo's NPI number?
James K. Yoo's NPI number is 1407909922. It was assigned on January 19, 2007, and it is active in the NPI Registry.
What does James K. Yoo specialize in?
James K. Yoo is an optometrist in Thousand Oaks, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does James K. Yoo practice?
James Yoo practices at 2230 Lynn Rd, Thousand Oaks, CA 91360. James Yoo's primary practice is Lynn Eye Surgery Center in Thousand Oaks, California. Dmand AI also links James Yoo to 4 group practices and clinics and 4 medical groups.
What is James K. Yoo's office phone number?
The practice phone on file for James Yoo is (805) 370-3137.
What is James K. Yoo's medical license number?
James Yoo holds California license 13107.
Does James K. Yoo accept Medicare?
Yes. CMS lists James Yoo as accepting Medicare assignment.
How many Medicare patients does James K. Yoo see?
CMS counts 77 Medicare patients who saw James Yoo in 2024, with an average age of 74.
Where did James K. Yoo go to medical school?
James Yoo graduated from Southern College of Optometry in 2005.
Has James K. Yoo received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to James Yoo from 1 company from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has James K. Yoo been practicing?
James Yoo graduated from medical school in 2005, 21 years ago.
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