James K. Yi, OD
- Part D claims, 2024
- 61
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find James Yi'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. Yi is an optometrist in Fontana, California
James Yi practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
James Yi's NPI, 1104932193, was assigned on August 22, 2006. James Yi graduated from Southern California College of Optometry in 2006. James Yi holds California license 13065.
- NPI
- 1104932193NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012099872
- NPI enumeration date
- August 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
James K. Yi practices at Fontana Medical Center in Fontana, California
James Yi's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
James K. Yi is affiliated with 1 site of care and 1 medical group
James Yi's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at James K. Yi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Yi practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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James K. Yi is one of 7,206 optometrists in California
Optometrist is James Yi's primary specialty in the NPI Registry, under taxonomy code 152W00000X. James Yi is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near James Yi
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. Yi's patients have a median age of 32
Across all payers, Dmand AI patient panel data puts James Yi's median patient age at 32, with 62% women.
James Yi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women62%
- Men37%
Source: Dmand AI Patient Panel Data
James K. Yi wrote 61 Medicare Part D claims in 2024
In 2024, James Yi wrote 61 Medicare Part D claims for 20 patients. 77% of them were for generic drugs.
James Yi's Part D claims by kind of drug, 2024
- Generic47 claims77%
- Brand-name14 claims23%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How James K. Yi takes part in Medicare
James Yi 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
James K. Yi graduated from Southern California College of Optometry
James Yi graduated from Southern California College of Optometry in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for James K. Yi'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 Data |
| Part D prescribing | Medicare Part D Prescribers - 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) |
| 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. Yi
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. Yi's NPI number?
James K. Yi's NPI number is 1104932193. It was assigned on August 22, 2006, and it is active in the NPI Registry.
What does James K. Yi specialize in?
James K. Yi is an optometrist in Fontana, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does James K. Yi practice?
James Yi practices at 9961 Sierra Ave, Fontana, CA 92335. James Yi's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is James K. Yi's office phone number?
The practice phone on file for James Yi is (909) 427-5000.
What is James K. Yi's medical license number?
James Yi holds California license 13065.
Which hospitals is James K. Yi affiliated with?
James Yi practices at Fontana Medical Center in Fontana, California.
What medical group is James K. Yi part of?
James Yi is linked to Southern California Permanente Medical Group.
Does James K. Yi accept Medicare?
Yes. CMS lists James Yi as accepting Medicare assignment.
Where did James K. Yi go to medical school?
James Yi graduated from Southern California College of Optometry in 2006.
How long has James K. Yi been practicing?
James Yi graduated from medical school in 2006, 20 years ago.
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