Dr. Justin Ngoc Nguyen, DO
- Part D claims, 2024
- 194
- Hospital affiliations
- 1
- Industry payments
- $143
- Medical groups
- 3
- State license
- 1
- Practice address
- 852 Ventura St, Fillmore, CA 93015
- Practice phone
- Call (805) 524-2672
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Community Memorial Health Center - Fillmore
Rural Health Clinic - Hospital-Owned · Fillmore, California
Find Dr. 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.
Dr. Justin Ngoc Nguyen is a psychiatrist in Fillmore, California
Dr. Nguyen practices at Community Memorial Health Center - Fillmore in Fillmore, California.
Dr. Nguyen's NPI, 1659909000, was assigned on March 31, 2020. Dr. Nguyen graduated from Touro University California - Vallejo in 2020. Dr. Nguyen holds California license 21212.
- NPI
- 1659909000NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254779895
- NPI enumeration date
- March 31, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 524-2672
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Justin Ngoc Nguyen practices at Community Memorial Health Center - Fillmore in Fillmore, California
Dr. Nguyen's primary practice is Community Memorial Health Center - Fillmore, at 852 Ventura St, Fillmore, CA 93015. The practice phone is (805) 524-2672.
- Community Memorial Health Center - Fillmore852 Ventura St, Fillmore, CA 93015Phone(805) 524-2672
Source: Dmand AI Affiliation Data
Dr. Justin Ngoc Nguyen is affiliated with 3 sites of care and 3 medical groups
Dr. Nguyen's primary practice is Community Memorial Health Center - Fillmore in Fillmore, California. Dr. Nguyen is also affiliated with Community Memorial Hospital - Ventura. The medical group on file is Ventura County Medical Center. Dmand AI also links Dr. Nguyen to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Justin Ngoc Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Community Memorial Health Center - Fillmore | Available with a free account |
| +2 more sites and 2 medical groups | 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.
Dr. Justin Ngoc Nguyen is one of 6,803 psychiatrists in California
Psychiatry is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Nguyen is board certified in 2023 - 2025 by the CA State License. Dr. Nguyen is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. Nguyen
Counts of psychiatrists 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
Dr. Justin Ngoc Nguyen's patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 44, with 58% women.
Dr. 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 44
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Justin Ngoc Nguyen wrote 194 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 194 Medicare Part D claims for 31 patients. 96% of them were for generic drugs. CMS names the drug for 78 of them, across 4 drugs with 11 or more claims each, at $1,070 in total drug cost.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic187 claims96%
- Brand-name and other7 claims4%
Dr. Nguyen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Nguyen's Part D claims, 2024
- Antipsychotics, patients 65 and over9%18 of 194 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Justin Ngoc Nguyen takes part in Medicare
Dr. 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)
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.
Dr. Justin Ngoc Nguyen received $143 in industry payments from 2022 to 2025
CMS Open Payments shows 3 general payments to Dr. Nguyen from 3 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $103.
General payments to Dr. Nguyen by program year, 2022 to 2025
Companies that paid Dr. Nguyen the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Justin Ngoc Nguyen graduated from Touro University California - Vallejo
Dr. Nguyen graduated from Touro University California - Vallejo in 2020.
- Medical school
- Board certified in 2023 - 2025
Source: Dmand AI Professional Profile Data
Sources for Dr. Justin Ngoc 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)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) |
| 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 Dr. Justin Ngoc 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 Dr. Justin Ngoc Nguyen's NPI number?
Dr. Justin Ngoc Nguyen's NPI number is 1659909000. It was assigned on March 31, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Justin Ngoc Nguyen?
Dr. Justin Ngoc Nguyen is a psychiatrist in Fillmore, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Justin Ngoc Nguyen practice?
Dr. Nguyen practices at 852 Ventura St, Fillmore, CA 93015. Dr. Nguyen's primary practice is Community Memorial Health Center - Fillmore in Fillmore, California. Dmand AI also links Dr. Nguyen to 2 medical groups and 1 group practice or clinic.
What is Dr. Justin Ngoc Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (805) 524-2672.
What is Dr. Justin Ngoc Nguyen's medical license number?
Dr. Nguyen holds California license 21212.
Which hospitals is Dr. Justin Ngoc Nguyen affiliated with?
Dr. Nguyen is affiliated with Community Memorial Hospital - Ventura.
What medical group is Dr. Justin Ngoc Nguyen part of?
Dr. Nguyen is linked to Ventura County Medical Center. Dmand AI links Dr. Nguyen to 2 more medical groups.
Does Dr. Justin Ngoc Nguyen accept Medicare?
Yes. CMS lists Dr. Nguyen as accepting Medicare assignment.
Is Dr. Justin Ngoc Nguyen board certified?
Yes. Dr. Nguyen is board certified in 2023 - 2025 by the CA State License.
Where did Dr. Justin Ngoc Nguyen go to medical school?
Dr. Nguyen graduated from Touro University California - Vallejo in 2020.
Show 3 more questionsShow fewer questions
What drugs does Dr. Justin Ngoc Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Duloxetine HCl, Hydroxyzine HCl and Trazodone HCl.
Has Dr. Justin Ngoc Nguyen received payments from drug or device companies?
CMS Open Payments shows $143 in general payments to Dr. Nguyen from 3 companies from 2022 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Justin Ngoc Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2020, 6 years ago.
Selling to psychiatry practices?
See psychiatrists 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