Dr. Caitlin Ann Williams, MD
- Part D claims, 2024
- 52
- Hospital affiliations
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 3300 Gallows Rd, Falls Church, VA 22046
- Practice phone
- Call (703) 698-3659
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Inova Fairfax Hospital - Unit
Acute Care Hospital-Unit · Falls Church, 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. Caitlin Ann Williams is an emergency medicine physician in Falls Church, Virginia
Dr. Williams practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia.
Dr. Williams' NPI, 1841931557, was assigned on April 5, 2022. Dr. Williams holds California license A206867.
- NPI
- 1841931557NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668941402
- NPI enumeration date
- April 5, 2022
- NPI status
- Active
- Practice phone
- (703) 698-3659
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Caitlin Ann Williams practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia
Dr. Williams' primary practice is Inova Fairfax Hospital - Unit, at 3300 Gallows Rd, Falls Church, VA 22046 in Falls Church City. The practice phone is (703) 698-3659.
- Inova Fairfax Hospital - Unit3300 Gallows Rd, Falls Church, VA 22046 · Falls Church CityPhone(703) 698-3659
Source: Dmand AI Affiliation Data
Dr. Caitlin Ann Williams is affiliated with 2 sites of care and 2 medical groups
Dr. Williams' primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. Dr. Williams is also affiliated with The George Washington University Hospital. The medical group on file is UCLA Emergency Medicine. Dmand AI also links Dr. Williams to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Caitlin Ann Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inova Fairfax Hospital - Unit | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Caitlin Ann Williams is one of 1,686 emergency medicine physicians in Virginia
Emergency medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Williams is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Williams
Counts of emergency medicine 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. Caitlin Ann Williams' patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 56, with 57% 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 56
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Caitlin Ann Williams wrote 52 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 52 Medicare Part D claims for 35 patients. 90% of them were for generic drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic47 claims90%
- Brand-name and other5 claims10%
Drug classes CMS tracks in Dr. Williams' Part D claims, 2024
- Antibiotics33%17 of 52 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for Dr. Caitlin Ann Williams'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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. Caitlin Ann Williams
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. Caitlin Ann Williams' NPI number?
Dr. Caitlin Ann Williams' NPI number is 1841931557. It was assigned on April 5, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Caitlin Ann Williams?
Dr. Caitlin Ann Williams is an emergency medicine physician in Falls Church, Virginia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Caitlin Ann Williams practice?
Dr. Williams practices at 3300 Gallows Rd, Falls Church, VA 22046. Dr. Williams' primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. Dmand AI also links Dr. Williams to 1 medical group.
What is Dr. Caitlin Ann Williams' office phone number?
The practice phone on file for Dr. Williams is (703) 698-3659.
What is Dr. Caitlin Ann Williams' medical license number?
Dr. Williams holds California license A206867, one of 2 state licenses on file.
Which hospitals is Dr. Caitlin Ann Williams affiliated with?
Dr. Williams is affiliated with The George Washington University Hospital. Dmand AI links Dr. Williams to 1 more hospital.
What medical group is Dr. Caitlin Ann Williams part of?
Dr. Williams is linked to UCLA Emergency Medicine. Dmand AI links Dr. Williams to 1 more medical group.
How long has Dr. Caitlin Ann Williams been practicing?
Dr. Williams' NPI was assigned in 2022.
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