Dr Mackenzie David Hay, MD - Medicare Emergency Medicine in Knoxville, TN

Dr Mackenzie David Hay, MD is a medicare enrolled "Emergency Medicine" physician in Knoxville, Tennessee. He went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 2006 and has 18 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Sussex Emergency Associates Llc and his current practice location is 900 E Oak Hill Ave, Knoxville, Tennessee. You can reach out to his office (for appointments etc.) via phone at (865) 545-7573.

Dr Mackenzie David Hay is licensed to practice in Tennessee (license number 46388) 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 1407010358.

Contact Information

Dr Mackenzie David Hay, MD
900 E Oak Hill Ave,
Knoxville, TN 37917-4505
(865) 545-7573
Not Available

Map and Direction




Physician's Profile

Full NameDr Mackenzie David Hay
GenderMale
SpecialityEmergency Medicine
Experience18 Years
Location900 E Oak Hill Ave, 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:
  • Dr Mackenzie David Hay attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 2006
  NPI Data:
  • NPI Number: 1407010358
  • Provider Enumeration Date: 07/10/2008
  • Last Update Date: 05/10/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 0345413183
  • Enrollment ID: I20150828000265

Medical Identifiers

Medical identifiers for Dr Mackenzie David Hay such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1407010358NPI-NPPES
1073274056OtherTNABFM

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 46388 (Tennessee)Primary
207Q00000XFamily Medicine 46388 (Tennessee)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Beebe Medical CenterLewes, DEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sussex Emergency Associates Llc41835160654

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. Dr Mackenzie David Hay allows following entities to bill medicare on his behalf.
Entity NameSussex Emergency Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275512105
PECOS PAC ID: 4183516065
Enrollment ID: O20040325001664

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. Dr Mackenzie David Hay 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
Dr Mackenzie David Hay, MD
1604 Legacy Park Rd,
Knoxville, TN 37922-6030

Ph: (815) 262-2698
Dr Mackenzie David Hay, MD
900 E Oak Hill Ave,
Knoxville, TN 37917-4505

Ph: (865) 545-7573

Reviews and Comments


Emergency Medicine Doctors in Knoxville, TN

Stephen Holtzclaw, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 265 Brookview Centre Way, Suite 400, Knoxville, TN 37919
Phone: 865-293-5310    
Dr. Robert Lembersky, M.D.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2018 W Clinch Ave, Knoxville, TN 37916
Phone: 865-541-8485    
Georganna Michelle Rosel, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1924 Alcoa Hwy, Knoxville, TN 37920
Phone: 865-305-9000    
Dr. Thomas J Demaro, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5823 Apple Valley Dr, Knoxville, TN 37924
Phone: 561-334-3774    
Dr. Julie W Jeter, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1924 Alcoa Hwy # U67, Knoxville, TN 37920
Phone: 865-305-9350    Fax: 865-305-8681
Dr. Robert K. Dickson, M.D.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2018 W Clinch Ave, Knoxville, TN 37916
Phone: 865-541-8000    
Dr. Joseph Tucker Montgomery, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 528 Dixon Rd, Knoxville, TN 37934
Phone: 865-604-3476    Fax: 865-675-0833

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.