Dr. Irving C. Williams II, MD
- Industry payments
- $692
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 7915 Lake Manassas Drive Suite 209 Suite 209, Gainesville, VA 20155
- Practice phone
- Call (571) 248-0679
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Watoto Pediatric & Adolescent Specialty
Multi-specialty group site · Gainesville, Virginia
Find Dr. Williams' 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. Irving C. Williams II is a pediatrician in Gainesville, Virginia
Dr. Williams practices at Watoto Pediatric & Adolescent Specialty in Gainesville, Virginia.
Dr. Williams' NPI, 1992785489, was assigned on January 19, 2006. Dr. Williams holds Virginia license 0101236873.
- NPI
- 1992785489NPI Registry (opens in a new tab)
- NPI enumeration date
- January 19, 2006
- NPI status
- Active
- Practice phone
- (571) 248-0679
- 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
Dr. Irving C. Williams II practices at Watoto Pediatric & Adolescent Specialty in Gainesville, Virginia
Dr. Williams' primary practice is Watoto Pediatric & Adolescent Specialty, at 7915 Lake Manassas Drive Suite 209 Suite 209, Gainesville, VA 20155. The practice phone is (571) 248-0679.
- Watoto Pediatric & Adolescent Specialty7915 Lake Manassas Drive Suite 209 Suite 209, Gainesville, VA 20155Phone(571) 248-0679
Source: Dmand AI Affiliation Data
Dr. Irving C. Williams II is affiliated with 1 site of care and 1 medical group
Dr. Williams' primary practice is Watoto Pediatric & Adolescent Specialty in Gainesville, Virginia. Dmand AI also links Dr. Williams to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Irving C. Williams II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Watoto Pediatric & Adolescent Specialty | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Irving C. Williams II is one of 1,669 pediatricians in Virginia
Pediatrics is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Williams is licensed in Virginia.
Specialties and state licenses
- Pediatrics, VirginiaPrimary
Pediatricians near Dr. Williams
Counts of pediatricians 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. Irving C. Williams II's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 9, with 47% women.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women47%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Irving C. Williams II received $692 in industry payments from 2024 to 2025
CMS Open Payments shows 38 general payments to Dr. Williams from 9 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Cranial Technologies, Inc paid the most, $187.
General payments to Dr. Williams by program year, 2024 to 2025
Companies that paid Dr. Williams the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Irving C. Williams II'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Irving C. Williams II
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. Irving C. Williams II's NPI number?
Dr. Irving C. Williams II's NPI number is 1992785489. It was assigned on January 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Irving C. Williams II?
Dr. Irving C. Williams II is a pediatrician in Gainesville, Virginia. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Irving C. Williams II practice?
Dr. Williams practices at 7915 Lake Manassas Drive Suite 209 Suite 209, Gainesville, VA 20155. Dr. Williams' primary practice is Watoto Pediatric & Adolescent Specialty in Gainesville, Virginia. Dmand AI also links Dr. Williams to 1 medical group.
What is Dr. Irving C. Williams II's office phone number?
The practice phone on file for Dr. Williams is (571) 248-0679.
What is Dr. Irving C. Williams II's medical license number?
Dr. Williams holds Virginia license 0101236873.
Has Dr. Irving C. Williams II received payments from drug or device companies?
CMS Open Payments shows $692 in general payments to Dr. Williams from 9 companies from 2024 to 2025. The largest total came from Cranial Technologies, Inc.
How long has Dr. Irving C. Williams II been practicing?
Dr. Williams' NPI was assigned in 2006.
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