Caitlin Williams, MD
NPI 1841931557 · Emergency Medicine Physician · Washington, DC
Caitlin Williams, MD is a Emergency Medicine Physician provider in Washington, DC (NPI 1841931557).
Provider details
- NPI number
- 1841931557
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A206867 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-05
- Last updated
- 2026-04-23
- Certified
- 2026-04-23
Frequently asked questions
- What is Caitlin Williams's NPI number?
- Caitlin Williams's National Provider Identifier (NPI) is 1841931557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caitlin Williams's specialty?
- Caitlin Williams is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Caitlin Williams located?
- Caitlin Williams's practice location on file with NPPES is 900 23rd St Nw, Washington, DC 20037-2342.
- What is Caitlin Williams's phone number?
- The practice phone number listed in the NPPES registry for Caitlin Williams is (202) 741-3000.
- Is Caitlin Williams's NPI active?
- Yes — Caitlin Williams's NPI (1841931557) is active in the NPPES registry as of the last update on 2026-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.