Dr. William Michael Cassidy, MD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 410 Maple Avenue West, Vienna, VA 22180
- Practice phone
- Call (703) 938-2244
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Captial Area Pediatrics
Pediatric practice · Vienna, Virginia
Find Dr. Cassidy'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. William Michael Cassidy is a pediatrician in Vienna, Virginia
Dr. Cassidy practices at Captial Area Pediatrics in Vienna, Virginia.
Dr. Cassidy's NPI, 1740260306, was assigned on January 19, 2006. Dr. Cassidy holds Virginia license 0101026293.
- NPI
- 1740260306NPI Registry (opens in a new tab)
- NPI enumeration date
- January 19, 2006
- NPI status
- Active
- Practice phone
- (703) 938-2244
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Michael Cassidy practices at Captial Area Pediatrics in Vienna, Virginia
Dr. Cassidy's primary practice is Captial Area Pediatrics, at 410 Maple Avenue West, Vienna, VA 22180. The practice phone is (703) 938-2244.
- Captial Area Pediatrics410 Maple Avenue West, Vienna, VA 22180Phone(703) 938-2244
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Michael Cassidy is affiliated with 1 site of care and 1 medical group
Dr. Cassidy's primary practice is Captial Area Pediatrics in Vienna, Virginia. Dmand AI also links Dr. Cassidy to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. William Michael Cassidy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cassidy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Captial Area Pediatrics | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Michael Cassidy is one of 1,669 pediatricians in Virginia
Pediatrics is Dr. Cassidy's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Cassidy is licensed in Virginia.
Specialties and state licenses
- Pediatrics, VirginiaPrimary
Pediatricians near Dr. Cassidy
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
Sources for Dr. William Michael Cassidy'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (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. William Michael Cassidy
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 Michael Cassidy's NPI number?
Dr. William Michael Cassidy's NPI number is 1740260306. It was assigned on January 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Michael Cassidy?
Dr. William Michael Cassidy is a pediatrician in Vienna, Virginia. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. William Michael Cassidy practice?
Dr. Cassidy practices at 410 Maple Avenue West, Vienna, VA 22180. Dr. Cassidy's primary practice is Captial Area Pediatrics in Vienna, Virginia. Dmand AI also links Dr. Cassidy to 1 medical group.
What is Dr. William Michael Cassidy's office phone number?
The practice phone on file for Dr. Cassidy is (703) 938-2244.
What is Dr. William Michael Cassidy's medical license number?
Dr. Cassidy holds Virginia license 0101026293.
How long has Dr. William Michael Cassidy been practicing?
Dr. Cassidy's NPI was assigned in 2006.
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