Samuel Gray Walker, DO - Medicare Hospitalist in Knoxville, TN

Samuel Gray Walker, DO is a medicare enrolled "Hospitalist" physician in Knoxville, Tennessee. He graduated from medical school in 2018 and has 6 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice University Health System, Inc. and his current practice location is 1924 Alcoa Hwy # U56, Knoxville, Tennessee. You can reach out to his office (for appointments etc.) via phone at (865) 305-9081.

Samuel Gray Walker is licensed to practice in Tennessee (license number 4139) 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 1144727579.

Contact Information

Samuel Gray Walker, DO
1924 Alcoa Hwy # U56,
Knoxville, TN 37920-1511
(865) 305-9081
(865) 305-8769

Map and Direction




Physician's Profile

Full NameSamuel Gray Walker
GenderMale
SpecialityHospitalist
Experience6 Years
Location1924 Alcoa Hwy # U56, Knoxville, 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:
  • Samuel Gray Walker graduated from medical school in 2018
  NPI Data:
  • NPI Number: 1144727579
  • Provider Enumeration Date: 04/11/2018
  • Last Update Date: 07/15/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5890046163
  • Enrollment ID: I20210827003015

Medical Identifiers

Medical identifiers for Samuel Gray Walker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144727579NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist 4139 (Tennessee)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of Tn Medical CenterKnoxville, TNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Health System, Inc.5294646378531

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. Samuel Gray Walker allows following entities to bill medicare on his behalf.
Entity NameUniversity Health System, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790738763
PECOS PAC ID: 5294646378
Enrollment ID: O20031111000809

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. Samuel Gray Walker 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
Samuel Gray Walker, DO
Po Box 415000-msc8135,
Nashville, TN 37241-8135

Ph: (865) 670-6199
Samuel Gray Walker, DO
1924 Alcoa Hwy # U56,
Knoxville, TN 37920-1511

Ph: (865) 305-9081

Reviews and Comments


Hospitalist Doctors in Knoxville, TN

Daniel Eugene Brewer, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1924 Alcoa Hwy, U56, Knoxville, TN 37920
Phone: 865-305-9081    Fax: 865-305-8769
Dr. Ryan Douglas Kerr, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1924 Alcoa Hwy, U56, Knoxville, TN 37920
Phone: 865-305-9081    Fax: 865-305-8769
Landy M Morales, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1924 Alcoa Hwy, Box 56, Knoxville, TN 37920
Phone: 865-305-9081    Fax: 865-305-8769
Sahar M Lotfi, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1924 Alcoa Hwy, U56, Knoxville, TN 37920
Phone: 865-305-9081    Fax: 865-305-8769
Dr. Clayton Devereau Humphrey, D.O.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1924 Alcoa Hwy # U56, Knoxville, TN 37920
Phone: 865-305-9081    Fax: 865-305-8769
Dr. Christopher Hill, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1924 Alcoa Hwy # U56, Knoxville, TN 37920
Phone: 865-305-9081    Fax: 865-305-8769
Murad Salaita, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1924 Alcoa Hwy, U56, Knoxville, TN 37920
Phone: 865-305-9081    Fax: 865-305-8769

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.