William Hartness, M.D.
NPI 1679576839 · Cardiovascular Disease Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Hartness, M.D. is a Cardiovascular Disease Physician provider in Nashville, TN (NPI 1679576839).
Provider details
- NPI number
- 1679576839
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 17016 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
- 2005-05-23
- Last updated
- 2014-10-17
Frequently asked questions
- What is William Hartness's NPI number?
- William Hartness's National Provider Identifier (NPI) is 1679576839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hartness's specialty?
- William Hartness is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Hartness located?
- William Hartness's practice location on file with NPPES is 222 22nd Ave N, Nashville, TN 37203-1831.
- What is William Hartness's phone number?
- The practice phone number listed in the NPPES registry for William Hartness is (615) 329-5144.
- Does William Hartness accept Medicare?
- William Hartness is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Hartness's NPI active?
- Yes — William Hartness's NPI (1679576839) is active in the NPPES registry as of the last update on 2014-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.