William Hartman, D.O.
NPI 1861478265 · Emergency Medicine Physician · Mckinney, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Hartman, D.O. is a Emergency Medicine Physician provider in Mckinney, TX (NPI 1861478265).
Provider details
- NPI number
- 1861478265
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- G2718 (TX)
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
- 2005-12-16
- Last updated
- 2007-11-08
Frequently asked questions
- What is William Hartman's NPI number?
- William Hartman's National Provider Identifier (NPI) is 1861478265, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hartman's specialty?
- William Hartman is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Hartman located?
- William Hartman's practice location on file with NPPES is 4500 Medical Center Dr, Mckinney, TX 75069-1650.
- What is William Hartman's phone number?
- The practice phone number listed in the NPPES registry for William Hartman is (972) 758-3598.
- Does William Hartman accept Medicare?
- William Hartman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Hartman's NPI active?
- Yes — William Hartman's NPI (1861478265) is active in the NPPES registry as of the last update on 2007-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.