William Hammill, MD
NPI 1659382059 · Pediatric Cardiology Physician · Charlotte, NC
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Hammill, MD is a Pediatric Cardiology Physician provider in Charlotte, NC (NPI 1659382059).
Provider details
- NPI number
- 1659382059
- Entity type
- Individual
- Primary specialty
- Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2009-00188 (NC)
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
- 2006-08-10
- Last updated
- 2020-10-28
- Certified
- 2020-09-06
Frequently asked questions
- What is William Hammill's NPI number?
- William Hammill's National Provider Identifier (NPI) is 1659382059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hammill's specialty?
- William Hammill is listed in the NPPES registry with a primary specialty of Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Hammill located?
- William Hammill's practice location on file with NPPES is 1718 E 4th St, Charlotte, NC 28204-3261.
- What is William Hammill's phone number?
- The practice phone number listed in the NPPES registry for William Hammill is (704) 316-1220.
- Does William Hammill accept Medicare?
- William Hammill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Hammill's NPI active?
- Yes — William Hammill's NPI (1659382059) is active in the NPPES registry as of the last update on 2020-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.