William Denq
NPI 1558780700 · Sports Medicine (Emergency Medicine) Physician · Washington, DC
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Denq is a Sports Medicine (Emergency Medicine) Physician provider in Washington, DC (NPI 1558780700).
Provider details
- NPI number
- 1558780700
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 10785572-1205 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
378 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 107 | $94 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 76 | $66 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 35 | $165 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 34 | $140 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 27 | $96 |
| Emergency Department Visit With Moderate Level of Medical Decision Making |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-15
- Last updated
- 2021-03-09
- Certified
- 2021-03-09
Frequently asked questions
- What is William Denq's NPI number?
- William Denq's National Provider Identifier (NPI) is 1558780700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Denq's specialty?
- William Denq is listed in the NPPES registry with a primary specialty of Sports Medicine (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is William Denq located?
- William Denq's practice location on file with NPPES is 2150 Pennsylvania Ave Nw, Washington, DC 20037.
- What is William Denq's phone number?
- The practice phone number listed in the NPPES registry for William Denq is (202) 741-3000.
- Does William Denq accept Medicare?
- William Denq is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Denq's NPI active?
- Yes — William Denq's NPI (1558780700) is active in the NPPES registry as of the last update on 2021-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.