DR. LOURENS JOHAN WILLEKES II M.D.
NPI 1255422267
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Gainesville, FL

Q: What is Lourens Willekes's NPI number?

The NPI number for Lourens Willekes is 1255422267. It was assigned to this individual provider in the NPPES registry on September 27, 2006.

Q: What is Lourens Willekes'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 Lourens Willekes was last updated on May 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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 September 27, 2006PECOS EnrolledAccepts Medicare Assignment

1600 SW ARCHER RD, GAINESVILLE, FL 32610(352) 265-0301 Get Directions Write a Review

NPPES record last updated: May 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 8, 2026, Apr 22, 2026, Mar 3, 2026 and 2 more (5 updates tracked since 2015).

On this page

About Dr. Lourens Johan Willekes Ii M.d. NPPES

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

DR. LOURENS JOHAN WILLEKES II M.D. (NPI 1255422267) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Gainesville, Florida, licensed in Georgia (81459) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Shands Jacksonville, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1255422267

Entity TypeIndividualMale

Primary Taxonomy208G00000X

Provider Legal NameDR. LOURENS JOHAN WILLEKES IICredential: M.D.

Location Address1600 SW ARCHER RDGainesville, FL 32610-3003

Mailing AddressPo Box 100286Gainesville, FL 32610-0286 · (352) 265-0535 · Fax (352) 627-4173

Phone(352) 265-0301

Sole ProprietorYes

Medical School CMSOtherGraduated 1996

Enumeration DateSeptember 27, 2006

Last NPPES UpdateMay 8, 20265 updates tracked since enumeration

NPPES CertifiedMay 8, 2026

✔ NPI 1255422267 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

Licenses✔ Licensed in GA · 81459✔ Licensed in MI · 4301104138✔ Licensed in FL · ME155131

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.

1600 SW ARCHER RD, Gainesville, FL 32610

Open in Google Maps ↗

Secondary Practice Locations 2

Location 1800 Meadows RdBoca Raton, FL 33486-2304 · Phone (561) 955-6300 · Fax (561) 955-6310

Location 2200 S Enota Dr NE Ste 380Gainesville, GA 30501-3475 · Phone (770) 219-7099

Other Identifiers 1

Medicaid129792900FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., AvMed, BlueCross BlueShield of South Carolina and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Lourens Johan Willekes Ii 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 ID244293355

PECOS Enrollment IDI20181114003314, I20260127004616

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.

Medicare Billing Reassignments

Medicare enrollment records show Lourens Willekes reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Villages Regional Hospital Physician Services LLC

56 mi

Urgent Care

70 TURIN TER STE 110
St Augustine, FL 32092

Reassigned Medicare billing, Florida enrollment
354 clinicians in this Medicare group

NPI 1992639777 (904) 819-7200

University Of Florida Jacksonville Physicians Inc

63 mi

Neurological Surgery

580 W 8TH ST, UFJP NEUROSURGERY
Jacksonville, FL 32209

Reassigned Medicare billing, Florida enrollment
1,456 clinicians in this Medicare group

NPI 1225298599 (904) 244-3660

Savannah Multispecialty Associates, LLC

181 mi

Trauma Surgery

4700 WATERS AVE STE 400
Savannah, GA 31404

Reassigned Medicare billing, Georgia enrollment
105 clinicians in this Medicare group

NPI 1528571320 (912) 350-8712

Gwinnett Physician Group, LLC

314 mi

Internal Medicine

1000 MEDICAL CENTER BLVD, MOB 100 SUITE 210
Lawrenceville, GA 30046

Reassigned Medicare billing, Georgia enrollment
275 clinicians in this Medicare group

NPI 1578574661 (855) 709-4535

Spartanburg Medical Center

338 mi

Internal Medicine

166 MAIN ST
Whitmire, SC 29178

Reassigned Medicare billing, South Carolina enrollment
754 clinicians in this Medicare group

NPI 1699150995 (864) 560-6563

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

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.

28 services28 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.

24 services24 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.

23 services23 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.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Shands Jacksonville

Acute Care Hospitals · Jacksonville, FL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100001

Location655 W 8th StJacksonville, FL 32209 · Duval County

Emergency services Birthing friendly

Flagler Hospital

Acute Care Hospitals · Saint Augustine, FL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100090

Location400 Health Park BlvdSaint Augustine, FL 32086 · St. Johns County

Emergency services Birthing friendly

Northside Hospital Gwinnett

Acute Care Hospitals · Lawrenceville, GA

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number110087

Location1000 Medical Center BoulevardLawrenceville, GA 30046 · Gwinnett County

Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32610 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.

DR. BAHAREH EBADIFAR KEITH DO

Pediatrics

1600 SW ARCHER RD
GAINESVILLE, FL 32610

Alachua County (352) 273-0462

AFRASYAB KHAN

Surgery

1600 SW ARCHER RD
GAINESVILLE, FL 32610

Alachua County (352) 265-0680

GULSUN ERDAG MD

Pathology (Anatomic Pathology & Clinical Pathology)

1600 SW ARCHER RD
GAINESVILLE, FL 32610

Alachua County (352) 265-9900

DR. ALBERT H. MATTIA D.D.S.

Dentist (Prosthodontics)

1600 SW ARCHER RD, D4-4
GAINESVILLE, FL 32610

Alachua County (352) 273-5801

JOANNA CHAFFIN

Pathology (Anatomic Pathology & Clinical Pathology)

1600 SW ARCHER RD
GAINESVILLE, FL 32610

Alachua County (352) 627-9272

DR. CASEY JUSTIN BEAL MD

Ophthalmology

1600 SW ARCHER RD, BOX 100284
GAINESVILLE, FL 32610

Alachua County (352) 273-8778

WILLIAM CRAIG HICKS CRNA

Nurse Anesthetist, Certified Registered

1600 SW ARCHER RD
GAINESVILLE, FL 32610

Alachua County (352) 273-6438

HENRY FONTILLAS PATALINGHUG CRNA

Nurse Anesthetist, Certified Registered

1600 SW ARCHER RD
GAINESVILLE, FL 32610

Alachua County (352) 273-6438

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lourens Willekes's NPI number?

The NPI number for Lourens Willekes is 1255422267. It was assigned to this individual provider in the NPPES registry on September 27, 2006.

Where is Lourens Willekes located?

Lourens Willekes practices at 1600 SW Archer Rd, Gainesville, FL 32610. The listed phone number is (352) 265-0301.

What is Lourens Willekes's specialty?

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

Is Lourens Willekes enrolled in Medicare?

Yes. Lourens Willekes is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Lourens Willekes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lourens Willekes reassigns Medicare benefits to 5 organizations: Villages Regional Hospital Physician Services LLC (St Augustine, FL), University Of Florida Jacksonville Physicians Inc (Jacksonville, FL), Savannah Multispecialty Associates, LLC (Savannah, GA), Gwinnett Physician Group, LLC (Lawrenceville, GA) and Spartanburg Medical Center (Whitmire, SC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lourens Willekes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lourens Willekes accept?

Health plans from Alliant Health Plans, Inc., AvMed, BlueCross BlueShield of South Carolina, First Choice Next and Florida Blue (BlueCross BlueShield FL) and 5 other insurers list Lourens Willekes as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Lourens Willekes affiliated with any hospitals?

According to CMS data, Lourens Willekes is affiliated with Shands Jacksonville, Flagler Hospital and Northside Hospital Gwinnett.

When was this NPI record last updated?

The NPPES record for Lourens Willekes was last updated on May 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.