William Owen Hartness, MD - Medicare Internal Medicine in Nashville, TN

William Owen Hartness, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Nashville, Tennessee. His current practice location is 222 22nd Ave N, Ste 400, Nashville, Tennessee. You can reach out to his office (for appointments etc.) via phone at (615) 329-5144.

William Owen Hartness is licensed to practice in Tennessee (license number 17016) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1679576839.

Contact Information

William Owen Hartness, MD
222 22nd Ave N, Ste 400,
Nashville, TN 37203-1831
(615) 329-5144
(615) 284-2595

Map and Direction




Physician's Profile

Full NameWilliam Owen Hartness
GenderMale
SpecialityInternal Medicine - Cardiovascular Disease
Location222 22nd Ave N, Nashville, Tennessee
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1679576839
  • Provider Enumeration Date: 05/23/2005
  • Last Update Date: 10/17/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 2961485917
  • Enrollment ID: I20040610000701

Medical Identifiers

Medical identifiers for William Owen Hartness such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1679576839NPI-NPPES
P00669756OtherTNRR MEDICARE
6012065OtherTNBLUE CROSS-BLUE SHIELD
3019665MedicaidTN
1506111MedicaidTN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease 17016 (Tennessee)Primary
207RI0011XInternal Medicine - Interventional Cardiology 17016 (Tennessee)Secondary
174400000XSpecialist 17016 (Tennessee)Secondary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. William Owen Hartness allows following entities to bill medicare on his behalf.
Entity NameSaint Thomas Medical Partners
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437194669
PECOS PAC ID: 1557269354
Enrollment ID: O20031230000470

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. William Owen Hartness is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
William Owen Hartness, MD
501 Great Circle Rd, Suite 200,
Nashville, TN 37228-1317

Ph: (615) 329-5144
William Owen Hartness, MD
222 22nd Ave N, Ste 400,
Nashville, TN 37203-1831

Ph: (615) 329-5144

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.