John Mackenzie, DO - Medicare Emergency Medicine in Lewes, DE

John Mackenzie, DO is a medicare enrolled "Emergency Medicine" physician in Lewes, Delaware. His current practice location is 424 Savannah Road, Lewes, Delaware. You can reach out to his office (for appointments etc.) via phone at (302) 645-3296.

John Mackenzie is licensed to practice in Delaware (license number C20008800) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1427037449.

Contact Information

John Mackenzie, DO
424 Savannah Road,
Lewes, DE 19958
(302) 645-3296
(302) 645-3862

Map and Direction




Physician's Profile

Full NameJohn Mackenzie
GenderMale
SpecialityEmergency Medicine
Location424 Savannah Road, Lewes, Delaware
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1427037449
  • Provider Enumeration Date: 01/10/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 9234136110
  • Enrollment ID: I20061107000401

Medical Identifiers

Medical identifiers for John Mackenzie such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427037449NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine C20008800 (Delaware)Primary

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. John Mackenzie allows following entities to bill medicare on his behalf.
Entity NameEmergency Service Associates Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558340562
PECOS PAC ID: 8224024716
Enrollment ID: O20220330000173

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. John Mackenzie 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
John Mackenzie, DO
Po Box 3012,
Wilmington, DE 19804

Ph: (302) 224-5678
John Mackenzie, DO
424 Savannah Road,
Lewes, DE 19958

Ph: (302) 645-3296

Reviews and Comments


Emergency Medicine Doctors in Lewes, DE

Dr. Douglas B Allen Jr., DO
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 424 Savannah Rd, Lewes, DE 19958
Phone: 302-645-3554    Fax: 302-645-3862
Dr. John J Dillon, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 424 Savannah Rd, Lewes, DE 19958
Phone: 302-654-3554    
Claude L Lavallee, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 424 Savannah Rd, Lewes, DE 19958
Phone: 302-645-3296    Fax: 302-645-3862
Steven R Stelts, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 424 Savannah Road, Lewes, DE 19958
Phone: 302-645-3296    Fax: 302-645-3862
Jacqueline A Smith, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 424 Savannah Rd, Lewes, DE 19958
Phone: 302-645-3554    
Philemon Parker Bailey, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 424 Savannah Rd, Lewes, DE 19958
Phone: 302-645-3296    Fax: 302-645-3862

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.