William Daniel, M.D.
NPI 1871578195 · Diagnostic Radiology Physician · Washington, DC
Enrolled with Medicare as Order and Referring Only - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Daniel, M.D. is a Diagnostic Radiology Physician provider in Washington, DC (NPI 1871578195).
Provider details
- NPI number
- 1871578195
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6409 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-12-09
- Last updated
- 2015-05-19
Frequently asked questions
- What is William Daniel's NPI number?
- William Daniel's National Provider Identifier (NPI) is 1871578195, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Daniel's specialty?
- William Daniel is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Daniel located?
- William Daniel's practice location on file with NPPES is 400 8th St Nw, Washington, DC 20004-2105.
- What is William Daniel's phone number?
- The practice phone number listed in the NPPES registry for William Daniel is (202) 733-4334.
- Does William Daniel accept Medicare?
- William Daniel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Daniel's NPI active?
- Yes — William Daniel's NPI (1871578195) is active in the NPPES registry as of the last update on 2015-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.