Log inBook a demoStart free trial
Log inStart free trial

Josiah Nguyen

  • Fairfax, VA
  • Physician assistant
NPI1063300788PAC ID7517459142
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2025
Practice address
3650 Joseph Siewick Dr, Fairfax, VA 22033
Practice phone
Call (703) 481-1505
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Fairfax Family Practice Centers

Fairfax, Virginia

See all 3 affiliations

Find Josiah 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.

View contacts for free

Josiah Nguyen is a physician assistant in Fairfax, Virginia

Josiah Nguyen practices at Fairfax Family Practice Centers in Fairfax, Virginia.

Josiah Nguyen's NPI, 1063300788, was assigned on June 24, 2025.

NPI and contact details
NPI
1063300788NPI Registry (opens in a new tab)
Medicare PAC ID
7517459142
NPI enumeration date
June 24, 2025
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(703) 481-1505
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
27
Medical school graduation
2025

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Josiah Nguyen practices at Fairfax Family Practice Centers in Fairfax, Virginia

Josiah Nguyen's primary practice is Fairfax Family Practice Centers, at 3650 Joseph Siewick Dr, Fairfax, VA 22033 in Fairfax County. The practice phone is (703) 481-1505.

  • Fairfax Family Practice Centers
    3650 Joseph Siewick Dr, Fairfax, VA 22033 · Fairfax CountyPhone(703) 481-1505

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Josiah Nguyen is affiliated with 2 sites of care and 1 medical group

Josiah Nguyen's primary practice is Fairfax Family Practice Centers in Fairfax, Virginia. The medical group on file is Fairfax Family Practice Centers. Dmand AI also links Josiah Nguyen to 1 more group practice or clinic, named with a free account.

Fairfax Family Practice CentersFairfax, VirginiaPrimary
Fairfax Family Practice CentersPrimary care group, Herndon, VA1 group practice or clinicName with a free account
See all 3 affiliations for Josiah Nguyen

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Josiah Nguyen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Josiah Nguyen practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fairfax Family Practice CentersAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Josiah Nguyen practices

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.

Try for freeBook a meeting

Josiah Nguyen is one of 3,636 physician assistants in Virginia

Physician assistant is Josiah Nguyen's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Physician assistants near Josiah Nguyen

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

3,636physician assistants in Virginia78physician assistants in Fairfax

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Josiah Nguyen's patients have a median age of 47

Across all payers, Dmand AI patient panel data puts Josiah Nguyen's median patient age at 47, with 37% women.

Josiah 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 47

Patient panel by sex, all payers

  • Women37%
  • Men61%

Source: Dmand AI Patient Panel Data

Josiah Nguyen offers telehealth to Medicare patients

Josiah Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Josiah Nguyen as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Sources for Josiah Nguyen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Josiah 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 Josiah Nguyen's NPI number?

Josiah Nguyen's NPI number is 1063300788. It was assigned on June 24, 2025, and it is active in the NPI Registry.

What does Josiah Nguyen specialize in?

Josiah Nguyen is a physician assistant in Fairfax, Virginia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Josiah Nguyen practice?

Josiah Nguyen practices at 3650 Joseph Siewick Dr, Fairfax, VA 22033. Josiah Nguyen's primary practice is Fairfax Family Practice Centers in Fairfax, Virginia. Dmand AI also links Josiah Nguyen to 1 group practice or clinic.

What is Josiah Nguyen's office phone number?

The practice phone on file for Josiah Nguyen is (703) 481-1505.

What medical group is Josiah Nguyen part of?

Josiah Nguyen is linked to Fairfax Family Practice Centers.

Does Josiah Nguyen accept Medicare?

Yes. CMS lists Josiah Nguyen as accepting Medicare assignment.

Does Josiah Nguyen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Josiah Nguyen as offering telehealth services.

How long has Josiah Nguyen been practicing?

Josiah Nguyen graduated from medical school in 2025, 1 years ago.

Selling to physician assistant practices?

See physician assistants in Virginia by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

Start free trialBook a demo
  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)
Read the Cookie Policy