Dr. William Daniel Williamson, MD

  • Houston, TX
  • Developmental - behavioral pediatrics physician
NPI1114929866
Insurance carriers
1
State licenses
3
Year NPI issued
2005
Practice address
6655 Travis St, Houston, TX 77030-1312
Practice phone
Call (713) 500-8300
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Find Dr. Williamson'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

Dr. William Daniel Williamson is a developmental - behavioral pediatrics physician in Houston, Texas

Dr. Williamson practices in Houston, Texas.

Dr. Williamson's NPI, 1114929866, was assigned on August 12, 2005. Dr. Williamson graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1974. Dr. Williamson holds Texas license F2994.

NPI and contact details
NPI enumeration date
August 12, 2005
NPI status
Active
Practice phone
(713) 500-8300
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Medical school graduation
1974

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

Dr. William Daniel Williamson's practice address is in Houston, Texas

Dr. Williamson's practice address in the NPI Registry is 6655 Travis St, Houston, TX 77030-1312. The practice phone is (713) 500-8300.

  • NPI Registry address
    6655 Travis St, Houston, TX 77030-1312Phone(713) 500-8300

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

Dmand AI tracks the EHR system at Dr. William Daniel Williamson's practice

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

EHR by site
SiteEHR vendor and product
Dr. Williamson's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Williamson 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.

Dr. William Daniel Williamson is one of 55 developmental - behavioral pediatrics physicians in Texas

Developmental - behavioral pediatrics is Dr. Williamson's primary specialty in the NPI Registry, under taxonomy code 2080P0006X. Dr. Williamson is board certified in pediatrics by the American Board of Pediatrics. Dmand AI has Dr. Williamson's licenses on file in 3 states: Texas, Louisiana and South Carolina.

Specialties and state licenses

  • Developmental - behavioral pediatrics, TexasPrimaryLicense F2994 · 1978 to 2026 · taxonomy 2080P0006X
  • Louisiana license1975 to 1987
  • South Carolina license1978 to 1979

Developmental - behavioral pediatrics physicians near Dr. Williamson

Counts of developmental - behavioral pediatrics physicians 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. William Daniel Williamson's patients have a median age of 8

Across all payers, Dmand AI patient panel data puts Dr. Williamson's median patient age at 8, with 0% women.

Dr. Williamson's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 8

Patient panel by sex, all payers

  • Women0%
  • Men100%

Source: Dmand AI Patient Panel Data

Dr. William Daniel Williamson graduated from LSU Health Sciences Center New Orleans - School of Medicine

Dr. Williamson graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1974.

  1. Medical schoolLSU Health Sciences Center New Orleans - School of Medicine
  2. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. William Daniel Williamson accepts plans from 1 insurance carrier

Dr. Williamson is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Aetna

Plan types Dr. Williamson accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1
  5. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. William Daniel Williamson'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
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 Dr. William Daniel Williamson

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. William Daniel Williamson's NPI number?

Dr. William Daniel Williamson's NPI number is 1114929866. It was assigned on August 12, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. William Daniel Williamson?

Dr. William Daniel Williamson is a developmental - behavioral pediatrics physician in Houston, Texas. The primary specialty in the NPI Registry is Developmental - Behavioral Pediatrics Physician (taxonomy code 2080P0006X).

Where does Dr. William Daniel Williamson practice?

Dr. Williamson practices at 6655 Travis St, Houston, TX 77030-1312.

What is Dr. William Daniel Williamson's office phone number?

The practice phone on file for Dr. Williamson is (713) 500-8300.

What is Dr. William Daniel Williamson's medical license number?

Dr. Williamson holds Texas license F2994, one of the licenses on file in 3 states.

Which states has Dr. William Daniel Williamson been licensed in?

Dmand AI has state licenses on file for Dr. Williamson in Texas (1978 to 2026), Louisiana (1975 to 1987) and South Carolina (1978 to 1979).

Is Dr. William Daniel Williamson board certified?

Yes. Dr. Williamson is board certified in pediatrics by the American Board of Pediatrics.

Where did Dr. William Daniel Williamson go to medical school?

Dr. Williamson graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1974.

How long has Dr. William Daniel Williamson been practicing?

Dr. Williamson graduated from medical school in 1974, 52 years ago.

What insurance does Dr. William Daniel Williamson accept?

Dr. Williamson is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

Selling to developmental - behavioral pediatrics practices?

See developmental - behavioral pediatrics physicians in Texas 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

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)