KAREN LEONIA WALKER M.D.
NPI 1013208453
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Orlando, FL

Q: What is Karen Walker's NPI number?

The NPI number for Karen Walker is 1013208453. It was assigned to this individual provider in the NPPES registry on April 19, 2011.

Q: What is Karen Walker's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Q: When was this NPI record last updated?

The NPPES record for Karen Walker was last updated on February 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 19, 2011PECOS EnrolledAccepts Medicare Assignment

1222 S ORANGE AVE, ORLANDO, FL 32806(321) 841-7700(321) 841-7799 Get Directions Write a Review

NPPES record last updated: February 18, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 18, 2020, Dec 10, 2019 (2 updates tracked since 2019).

On this page

About Karen Leonia Walker M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAREN LEONIA WALKER M.D. (NPI 1013208453) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Orlando, Florida, licensed in Florida (ME142884) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS, is affiliated with Orlando Health, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1013208453

Entity TypeIndividualFemale

Primary Taxonomy208G00000X

Provider Legal NameKAREN LEONIA WALKERCredential: M.D.

Location Address1222 S ORANGE AVEOrlando, FL 32806-1215

Mailing Address1222 S Orange AveOrlando, FL 32806-1215 · (321) 841-7700 · Fax (321) 841-7799

Phone(321) 841-7700

Fax(321) 841-7799

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateApril 19, 2011

Last NPPES UpdateFebruary 18, 20202 updates tracked since enumeration

✔ NPI 1013208453 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians

Taxonomy Code208G00000X

License✔ Licensed in FL · ME142884

Definition

A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

1222 S ORANGE AVE, Orlando, FL 32806

Open in Google Maps ↗

Other Identifiers 1

Medicaid104757600FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, AvMed, Florida Blue (BlueCross BlueShield FL) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen Leonia Walker M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618302134

PECOS Enrollment IDI20200110000722

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

78 services78 patients

Replacement of aortic valve through the skin and femoral artery 33361

This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.

53 services53 patients

Ultrasonic guidance during surgery 76998

Ultrasonic guidance during surgery is a technique that uses sound waves to create real-time images of the inside of your body. This helps the surgeon navigate and perform procedures more accurately, reducing the risk of complications. It's like a GPS for your body's internal structures.

40 services40 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

39 services38 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

35 services30 patients

Coronary artery bypass using artery graft, 1 graft 33533

A coronary artery bypass with one artery graft is a surgical procedure to improve blood flow to your heart. An artery from another part of your body is used to bypass a blocked or narrowed coronary artery. This can help reduce chest pain and risk of heart attack.

29 services29 patients

Harvest of vein using an endoscope 33508

Harvesting a vein using an endoscope is a procedure where a small camera is used to help surgeons remove a vein from your body. This vein is often used to bypass a blocked artery, improving blood flow to your heart.

27 services27 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

23 services23 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

20 services20 patients

Coronary artery bypass using vein or artery graft, 2 grafts 33518

A coronary artery bypass with 2 grafts is a surgery to improve blood flow to your heart. A surgeon takes a healthy vein or artery from your body and attaches it to the blocked coronary artery. This creates a new path for blood to flow, bypassing the blockage.

19 services19 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

14 services14 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Orlando Health

Acute Care Hospitals · Orlando, FL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100006

Location52 W Underwood StOrlando, FL 32806 · Orange County

Emergency services Birthing friendly

Orlando Health-Health Central Hospital

Acute Care Hospitals · Ocoee, FL

2/5 CMS rating

OwnershipGovernment - State

CMS Certification Number100030

Location10000 W Colonial DrOcoee, FL 34761 · Orange County

Emergency services

Orlando Health South Lake Hospital

Acute Care Hospitals · Clermont, FL

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number100051

Location1900 Don Wickham DrClermont, FL 34711 · Lake County

Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32806 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$171.84 typical visit price

range $56.00 – $171.84

Typical copayment $42.96 (range $14.00 – $42.96)

Most-billed visit code 99205

Established Patient

$70.04 typical visit price

range $17.57 – $139.16

Typical copayment $17.51 (range $4.39 – $34.79)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRYAN DAVID BROWN MD

Orthopaedic Surgery (Hand Surgery)

1222 S ORANGE AVE, 5TH FLOOR
ORLANDO, FL 32806

Orange County (321) 841-1764

RONALD RICHARD DOMESCEK M.D.

Internal Medicine (Interventional Cardiology)