Thomas Donaldson Johnston Vi, MD - Medicare Emergency Medicine in Louisville, KY

Thomas Donaldson Johnston Vi, MD is a medicare enrolled "Emergency Medicine" physician in Louisville, Kentucky. He went to University Of Kentucky College Of Medicine and graduated in 2010 and has 14 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Louisville Observational Medicine Associates Psc and his current practice location is 200 Abraham Flexner Way, Louisville, Kentucky. You can reach out to his office (for appointments etc.) via phone at (502) 587-4421.

Thomas Donaldson Johnston Vi is licensed to practice in Kentucky (license number 46621) 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 1083930473.

Contact Information

Thomas Donaldson Johnston Vi, MD
200 Abraham Flexner Way,
Louisville, KY 40202-2877
(502) 587-4421
(502) 587-4840

Map and Direction




Physician's Profile

Full NameThomas Donaldson Johnston Vi
GenderMale
SpecialityEmergency Medicine
Experience14 Years
Location200 Abraham Flexner Way, Louisville, Kentucky
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:
  • Thomas Donaldson Johnston Vi attended and graduated from University Of Kentucky College Of Medicine in 2010
  NPI Data:
  • NPI Number: 1083930473
  • Provider Enumeration Date: 04/11/2010
  • Last Update Date: 04/08/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 8022256064
  • Enrollment ID: I20130603000225

Medical Identifiers

Medical identifiers for Thomas Donaldson Johnston Vi such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083930473NPI-NPPES
7100255640MedicaidKY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 46621 (Kentucky)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Baptist Health LouisvilleLouisville, KYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Louisville Observational Medicine Associates Psc286089070425

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. Thomas Donaldson Johnston Vi allows following entities to bill medicare on his behalf.
Entity NamePhysicians In Emergency Medicine Psc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477532554
PECOS PAC ID: 8628974433
Enrollment ID: O20031211000681
Entity NameLouisville Emergency Medicine Associates Psc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487604641
PECOS PAC ID: 1557357613
Enrollment ID: O20040423000047
Entity NameLouisville Observational Medicine Associates Psc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356018519
PECOS PAC ID: 2860890704
Enrollment ID: O20211007001836

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. Thomas Donaldson Johnston Vi 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
Thomas Donaldson Johnston Vi, MD
5454 New Cut Rd Ste 5,
Louisville, KY 40214-4271

Ph: (502) 361-9900
Thomas Donaldson Johnston Vi, MD
200 Abraham Flexner Way,
Louisville, KY 40202-2877

Ph: (502) 587-4421

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.