William Hall, MD
NPI 1588613301 · Emergency Medical Services (Emergency Medicine) Physician · Denver, CO
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Hall, MD is a Emergency Medical Services (Emergency Medicine) Physician provider in Denver, CO (NPI 1588613301).
Provider details
- NPI number
- 1588613301
- Entity type
- Individual
- Primary specialty
- Emergency Medical Services (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 40211 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
172 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 46 | $112 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 28 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $91 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 19 | $8 |
| X-Ray of Chest, 2 Views71046 | 17 | $24 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-09
- Last updated
- 2016-02-16
Frequently asked questions
- What is William Hall's NPI number?
- William Hall's National Provider Identifier (NPI) is 1588613301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hall's specialty?
- William Hall is listed in the NPPES registry with a primary specialty of Emergency Medical Services (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is William Hall located?
- William Hall's practice location on file with NPPES is Dept #0861, Denver, CO 80256-0001.
- What is William Hall's phone number?
- The practice phone number listed in the NPPES registry for William Hall is (866) 898-7136.
- Does William Hall accept Medicare?
- William Hall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Hall's NPI active?
- Yes — William Hall's NPI (1588613301) is active in the NPPES registry as of the last update on 2016-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.