Carl Rogaston Willis, MD - Medicare Medical Oncology in Nashville, TN

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Carl Rogaston Willis, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Nashville, Tennessee. He went to University Of Alabama School Of Medicine and graduated in 1993 and has 33 years of diverse experience with area of expertise as Medical Oncology. He is a member of the group practice Tennessee Oncology Pllc and his current practice location is 322 22nd Ave N Ste 400, Nashville, Tennessee. You can reach out to his office (for appointments etc.) via phone at (615) 320-5090.

Carl Rogaston Willis is licensed to practice in Tennessee (license number 037952) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1154376259.

Contact Information

Carl Rogaston Willis, MD
322 22nd Ave N Ste 400,
Nashville, TN 37203-1870
(615) 320-5090
(615) 320-1225

Map and Direction




Physician's Profile

Full NameCarl Rogaston Willis
GenderMale
SpecialityMedical Oncology
Experience33 Years
Location322 22nd Ave N Ste 400, Nashville, Tennessee
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Carl Rogaston Willis attended and graduated from University Of Alabama School Of Medicine in 1993
  NPI Data:
  • NPI Number: 1154376259
  • Provider Enumeration Date: 05/24/2006
  • Last Update Date: 09/17/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 6709864010
  • Enrollment ID: I20040713000330

Medical Identifiers

Medical identifiers for Carl Rogaston Willis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154376259NPI-NPPES
3894844MedicaidTN
4090607OtherTNBCBS OF TN IND PROVIDER #

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 037952 (Tennessee)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ascension Saint Thomas HospitalNashville, TNHospital
Tristar Centennial Medical CenterNashville, TNHospital
Tristar Hendersonville Medical CenterHendersonville, TNHospital
Tristar Northcrest Medical CenterSpringfield, TNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Tennessee Oncology Pllc4688586134355

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. Carl Rogaston Willis allows following entities to bill medicare on his behalf.
Entity NameTennessee Oncology PLLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811955917
PECOS PAC ID: 4688586134
Enrollment ID: O20031103000534
Entity NameVerdi Oncology Tennessee PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336779974
PECOS PAC ID: 9436571999
Enrollment ID: O20200630000628

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. Carl Rogaston Willis 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
Carl Rogaston Willis, MD
2004 Hayes St Ste 800,
Nashville, TN 37203-2659

Ph: (615) 329-0570		Carl Rogaston Willis, MD
322 22nd Ave N Ste 400,
Nashville, TN 37203-1870

Ph: (615) 320-5090

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).

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