Karen Nguyen
- Hospital affiliations
- 1
- Industry payments
- $122
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 500 W Hospital Road, French Camp, CA 95231
- Practice phone
- Call (209) 468-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Karen Nguyen'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.
Karen Nguyen is an optometrist in French Camp, California
Karen Nguyen practices at San Joaquin General Hospital in French Camp, California, part of County of San Joaquin.
Karen Nguyen's NPI, 1598657041, was assigned on July 18, 2025. Karen Nguyen graduated from Southern California College of Optometry in 2025. Karen Nguyen holds California license 36079.
- NPI
- 1598657041NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446753321
- NPI enumeration date
- July 18, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 468-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Karen Nguyen practices at San Joaquin General Hospital in French Camp, California
Karen Nguyen's primary practice is San Joaquin General Hospital, at 500 W Hospital Road, French Camp, CA 95231 in San Joaquin County. The practice phone is (209) 468-6000.
- San Joaquin General Hospital500 W Hospital Road, French Camp, CA 95231 · San Joaquin CountyPhone(209) 468-6000
Source: Dmand AI Affiliation Data
Karen Nguyen is affiliated with 2 sites of care and 1 medical group
Karen Nguyen's primary practice is San Joaquin General Hospital in French Camp, California, part of County of San Joaquin. Dmand AI also links Karen Nguyen 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 Karen Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karen Nguyen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Joaquin General Hospital | 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 County of San Joaquin and 6.2K+ hospitals, with verified contacts in the same login.
Karen Nguyen is one of 7,206 optometrists in California
Optometrist is Karen Nguyen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Karen Nguyen is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Karen Nguyen
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
Karen Nguyen's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Karen Nguyen's median patient age at 74, with 38% women.
Karen Nguyen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women38%
- Men50%
Source: Dmand AI Patient Panel Data
How Karen Nguyen takes part in Medicare
Karen Nguyen 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)
Karen Nguyen received $122 in industry payments in 2025
CMS Open Payments shows 1 general payment to Karen Nguyen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $122.
Companies that paid Karen Nguyen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Karen Nguyen graduated from Southern California College of Optometry
Karen Nguyen graduated from Southern California College of Optometry in 2025.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Karen Nguyen'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 |
| 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) |
| 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 Karen Nguyen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Karen Nguyen's NPI number?
Karen Nguyen's NPI number is 1598657041. It was assigned on July 18, 2025, and it is active in the NPI Registry.
What does Karen Nguyen specialize in?
Karen Nguyen is an optometrist in French Camp, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Karen Nguyen practice?
Karen Nguyen practices at 500 W Hospital Road, French Camp, CA 95231. Karen Nguyen's primary practice is San Joaquin General Hospital in French Camp, California, part of County of San Joaquin. Dmand AI also links Karen Nguyen to 1 group practice or clinic and 1 medical group.
What is Karen Nguyen's office phone number?
The practice phone on file for Karen Nguyen is (209) 468-6000.
What is Karen Nguyen's medical license number?
Karen Nguyen holds California license 36079.
Which hospitals is Karen Nguyen affiliated with?
Karen Nguyen practices at San Joaquin General Hospital in French Camp, California.
Does Karen Nguyen accept Medicare?
Yes. CMS lists Karen Nguyen as accepting Medicare assignment.
Where did Karen Nguyen go to medical school?
Karen Nguyen graduated from Southern California College of Optometry in 2025.
Has Karen Nguyen received payments from drug or device companies?
CMS Open Payments shows $122 in general payments to Karen Nguyen from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Karen Nguyen been practicing?
Karen Nguyen graduated from medical school in 2025, 1 years ago.
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