William Collier, DO
NPI 1689369621 · Emergency Medicine Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Collier, DO is a Emergency Medicine Physician provider in Indianapolis, IN (NPI 1689369621).
Provider details
- NPI number
- 1689369621
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
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
3 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2023-04-06
- Last updated
- 2025-07-07
- Certified
- 2025-07-07
Frequently asked questions
- What is William Collier's NPI number?
- William Collier's National Provider Identifier (NPI) is 1689369621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Collier's specialty?
- William Collier is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Collier located?
- William Collier's practice location on file with NPPES is 1701 N Senate Blvd, Indianapolis, IN 46202-1239.
- What is William Collier's phone number?
- The practice phone number listed in the NPPES registry for William Collier is (317) 962-5975.
- Does William Collier accept Medicare?
- William Collier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Collier's NPI active?
- Yes — William Collier's NPI (1689369621) is active in the NPPES registry as of the last update on 2025-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.