Karen Leonia Walker, MD - Medicare Thoracic Surgery in Orlando, FL

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Karen Leonia Walker, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Orlando, Florida. She graduated from medical school in 2011 and has 13 years of diverse experience with area of expertise as Thoracic Surgery. She is a member of the group practice Orlando Health Medical Group Inc and her current practice location is 1222 S Orange Ave, Orlando, Florida. You can reach out to her office (for appointments etc.) via phone at (321) 841-7700.

Karen Leonia Walker is licensed to practice in Florida (license number ME142884) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1013208453.

Contact Information

Karen Leonia Walker, MD
1222 S Orange Ave,
Orlando, FL 32806-1215
(321) 841-7700
(321) 841-7799

Map and Direction




Physician's Profile

Full NameKaren Leonia Walker
GenderFemale
SpecialityThoracic Surgery
Experience13 Years
Location1222 S Orange Ave, Orlando, Florida
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Karen Leonia Walker graduated from medical school in 2011
  NPI Data:
  • NPI Number: 1013208453
  • Provider Enumeration Date: 04/19/2011
  • Last Update Date: 02/18/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 7618302134
  • Enrollment ID: I20200110000722

Medical Identifiers

Medical identifiers for Karen Leonia Walker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013208453NPI-NPPES
104757600MedicaidFL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) ME142884 (Florida)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Orlando HealthOrlando, FLHospital
Orlando Health South Lake HospitalClermont, FLHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Orlando Health Medical Group Inc95370590841478

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. Karen Leonia Walker allows following entities to bill medicare on her behalf.
Entity NameOrlando Health Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669429577
PECOS PAC ID: 9537059084
Enrollment ID: O20040318000044

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. Karen Leonia 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
Karen Leonia Walker, MD
1222 S Orange Ave,
Orlando, FL 32806-1215

Ph: (321) 841-7700		Karen Leonia Walker, MD
1222 S Orange Ave,
Orlando, FL 32806-1215

Ph: (321) 841-7700

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Orlando, FL

Kevin M Beers, DO
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Medicare Enrolled
Practice Location: 92 W Miller St, Orlando, FL 32806
Phone: 321-841-6128    
Dr. Malek Hanano, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 5694 Windhover Dr, Orlando, FL 32819
Phone: 407-363-3449    Fax: 407-363-3450
Paul Allen Thompson, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 217 Hillcrest St, Orlando, FL 32801
Phone: 407-425-1566    Fax: 407-422-0166
Dr. Alan D. Johnston, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 1400 S Orange Ave, Orlando, FL 32806
Phone: 407-648-3800    Fax: 407-425-5203
Dr. Anthony Ian Nunez, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 13800 Veterans Way, Orlando, FL 32827
Phone: 407-631-1000    Fax: 407-513-9658
Dr. Tain-yen Hsia, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Medicare Enrolled
Practice Location: 92 W Miller St, Orlando, FL 32806
Phone: 407-649-6907    Fax: 407-481-2032

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.