Preston Avery Sparks, MD - Medicare Internal Medicine in Chattanooga, TN

Preston Avery Sparks, MD is a medicare enrolled "Internal Medicine" physician in Chattanooga, Tennessee. He graduated from medical school in 2017 and has 7 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Memorial Health Partners Foundation, Inc and his current practice location is 2525 Desales Ave, Chattanooga, Tennessee. You can reach out to his office (for appointments etc.) via phone at (423) 495-7404.

Preston Avery Sparks is licensed to practice in Tennessee (license number 67883) 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 1497286215.

Contact Information

Preston Avery Sparks, MD
2525 Desales Ave,
Chattanooga, TN 37404-1161
(423) 495-7404
(423) 495-2625

Map and Direction




Physician's Profile

Full NamePreston Avery Sparks
GenderMale
SpecialityInternal Medicine
Experience7 Years
Location2525 Desales Ave, Chattanooga, 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:
  • Preston Avery Sparks graduated from medical school in 2017
  NPI Data:
  • NPI Number: 1497286215
  • Provider Enumeration Date: 03/23/2017
  • Last Update Date: 06/27/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 0345513859
  • Enrollment ID: I20230713000749

Medical Identifiers

Medical identifiers for Preston Avery Sparks such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497286215NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist 67883 (Tennessee)Secondary
207R00000XInternal Medicine 67883 (Tennessee)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Memorial Healthcare System, IncChattanooga, TNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Memorial Health Partners Foundation, Inc8022919570303

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. Preston Avery Sparks allows following entities to bill medicare on his behalf.
Entity NameMemorial Health Partners Foundation, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922053545
PECOS PAC ID: 8022919570
Enrollment ID: O20040116000823

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. Preston Avery Sparks 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
Preston Avery Sparks, MD
1949 Gunbarrel Rd Ste 206,
Chattanooga, TN 37421-7133

Ph: (423) 495-4349
Preston Avery Sparks, MD
2525 Desales Ave,
Chattanooga, TN 37404-1161

Ph: (423) 495-7404

Reviews and Comments


Internal Medicine Doctors in Chattanooga, TN

Dr. Pamela Rani Sud, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 725 Glenwood Drive, Suite E-500, Chattanooga, TN 37404
Phone: 423-495-2635    Fax: 423-495-2638
David Shved, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 975 E 3rd St, Chattanooga, TN 37403
Phone: 423-778-5179    Fax: 423-778-2108
Megan J Coylewright, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 975 E 3rd St, Chattanooga, TN 37403
Phone: 423-778-8258    
Dr. Charles Robert Bosshardt, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2515 Desales Ave Ste 206, Chattanooga, TN 37404
Phone: 423-698-8101    Fax: 423-698-3450
Dr. Elise Helene Marshall, DO
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 605 Glenwood Dr Ste 300, Chattanooga, TN 37404
Phone: 423-495-2690    Fax: 423-495-2698
Dr. Joshua Warner Hornsby, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 979 E 3rd St Ste A-440, Chattanooga, TN 37403
Phone: 423-778-2867    Fax: 423-778-2866
Dr. Donald Franklin Mackler, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 721 Glenwood Dr, Ste. W552, Chattanooga, TN 37404
Phone: 423-629-6258    Fax: 423-629-9531

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.