Log inBook a demoStart free trial
Log inStart free trial

William Walter Clark, PhD

  • Vienna, VA
  • Clinical psychologist
NPI1972716702
Affiliated sites
1
State license
1
Year NPI issued
2007
Practice address
2110 Gallows Rd # B #B, Vienna, VA 22182
Practice phone
Call (703) 506-8378
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Dr. William Clark & Associates, PLC

Physician office · Vienna, Virginia

Find William Clark'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

William Walter Clark is a clinical psychologist in Vienna, Virginia

William Clark practices at Dr. William Clark & Associates, PLC in Vienna, Virginia.

William Clark's NPI, 1972716702, was assigned on May 8, 2007. William Clark holds Virginia license 0810002215.

NPI and contact details
NPI
1972716702NPI Registry (opens in a new tab)
NPI enumeration date
May 8, 2007
NPI status
Active
Practice phone
(703) 506-8378
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male

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

William Walter Clark practices at Dr. William Clark & Associates, PLC in Vienna, Virginia

William Clark's primary practice is Dr. William Clark & Associates, PLC, at 2110 Gallows Rd # B #B, Vienna, VA 22182. The practice phone is (703) 506-8378.

  • Dr. William Clark & Associates, PLC
    2110 Gallows Rd # B #B, Vienna, VA 22182Phone(703) 506-8378

Source: Dmand AI Affiliation Data

William Walter Clark is affiliated with 1 site of care

William Clark's primary practice is Dr. William Clark & Associates, PLC in Vienna, Virginia.

Dr. William Clark & Associates, PLCPhysician office · Vienna, VirginiaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at William Walter Clark's practice

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

EHR by site
SiteEHR vendor and product
Dr. William Clark & Associates, PLCAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where William Clark 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

William Walter Clark is one of 667 clinical psychologists in Virginia

Clinical is William Clark's primary specialty in the NPI Registry, under taxonomy code 103TC0700X. William Clark is licensed in Virginia.

Specialties and state licenses

  • Clinical psychologist, VirginiaPrimaryLicense 0810002215 · taxonomy 103TC0700X

Clinical psychologists near William Clark

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

667clinical psychologists in Virginia11clinical psychologists in Vienna

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

Sources for William Walter Clark'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
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 William Walter Clark

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is William Walter Clark's NPI number?

William Walter Clark's NPI number is 1972716702. It was assigned on May 8, 2007, and it is active in the NPI Registry.

What does William Walter Clark specialize in?

William Walter Clark is a clinical psychologist in Vienna, Virginia. The primary specialty in the NPI Registry is Clinical Psychologist (taxonomy code 103TC0700X).

Where does William Walter Clark practice?

William Clark practices at 2110 Gallows Rd # B #B, Vienna, VA 22182. William Clark's primary practice is Dr. William Clark & Associates, PLC in Vienna, Virginia.

What is William Walter Clark's office phone number?

The practice phone on file for William Clark is (703) 506-8378.

What is William Walter Clark's medical license number?

William Clark holds Virginia license 0810002215.

How long has William Walter Clark been practicing?

William Clark's NPI was assigned in 2007.

Selling to clinical practices?

See clinical psychologists 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