William Driehorst, MD
NPI 1346278561 · Emergency Medicine Physician · Indianapolis, IN
William Driehorst, MD is a Emergency Medicine Physician provider in Indianapolis, IN (NPI 1346278561).
Provider details
- NPI number
- 1346278561
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01037796A (IN)
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
19 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
- 2006-06-28
- Last updated
- 2008-05-21
Frequently asked questions
- What is William Driehorst's NPI number?
- William Driehorst's National Provider Identifier (NPI) is 1346278561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Driehorst's specialty?
- William Driehorst is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Driehorst located?
- William Driehorst's practice location on file with NPPES is 5255 E Stop 11 Rd, Indianapolis, IN 46237-6340.
- What is William Driehorst's phone number?
- The practice phone number listed in the NPPES registry for William Driehorst is (317) 865-5737.
- Is William Driehorst's NPI active?
- Yes — William Driehorst's NPI (1346278561) is active in the NPPES registry as of the last update on 2008-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.