TIMOTHY H WILLIAMS M.D.
NPI 1801987763
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Greenville, SC

Active since September 27, 2006PECOS EnrolledAccepts Medicare Assignment
317 SAINT FRANCIS DR, SUITE 120, GREENVILLE, SC 29601(864) 255-1317 Get Directions Write a Review

NPPES record last updated: November 30, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Timothy H Williams M.d. NPPES

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

TIMOTHY H WILLIAMS M.D. (NPI 1801987763) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Greenville, South Carolina, licensed in South Carolina (16745) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with St Francis-downtown, and is a graduate of University Of South Carolina School Of Medicine (1992).

NPPES Registry Identity

NPI1801987763
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameTIMOTHY H WILLIAMSCredential: M.D.
Location Address317 SAINT FRANCIS DR, SUITE 120Greenville, SC 29601-3965
Mailing Address317 Saint Francis Dr, Suite 120Greenville, SC 29601-3965 · (864) 255-1317
Sole ProprietorNo
Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 1992
Enumeration DateSeptember 27, 2006
Last NPPES UpdateNovember 30, 2007
✔ NPI 1801987763 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 SC · 16745
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.
317 SAINT FRANCIS DR, Greenville, SC 29601

Other Identifiers 2

Medicare ID-Type Unspecified8157SC
Medicare UPINH18649SC

Accepted 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

Timothy H Williams 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 ID6901877943
PECOS Enrollment IDI20040804000218
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

2

Medicare enrollment records show Timothy Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
317 SAINT FRANCIS DR, SUITE 360
Greenville, SC 29601
  • Reassigned Medicare billing, South Carolina enrollment
  • 248 clinicians in this Medicare group
Cardiovascular Disease
1 SAINT FRANCIS DR
Greenville, SC 29601
  • Reassigned Medicare billing, South Carolina enrollment
  • 389 clinicians in this Medicare group

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 5

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.

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.
40 services39 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.
40 services40 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.
22 services21 patients
Coronary artery bypass using vein or artery graft, 3 grafts 33519
A coronary artery bypass with 3 grafts is a surgery to improve blood flow to the heart. Veins or arteries from other parts of your body are used to bypass blocked coronary arteries. This helps to restore normal blood flow to the heart, reducing the risk of heart disease.
12 services12 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.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

St Francis-Downtown

Acute Care Hospitals · Greenville, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420023
LocationOne St Francis DrGreenville, SC 29601 · Greenville County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29601 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
$163.84 typical visit price
range $53.57 – $163.84
Typical copayment $40.96 (range $13.39 – $40.96)
Most-billed visit code 99205
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
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 18

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

Thoracic Surgery (Cardiothoracic Vascular Surgery)
317 SAINT FRANCIS DR, SUITE 120
GREENVILLE, SC 29601
Surgery
317 SAINT FRANCIS DR, SUITE 360
GREENVILLE, SC 29601
Internal Medicine
317 SAINT FRANCIS DR, SUITE 130
GREENVILLE, SC 29601
Physical Medicine & Rehabilitation
317 SAINT FRANCIS DR, SUITE 350
GREENVILLE, SC 29601
Internal Medicine
317 SAINT FRANCIS DR, SUITE 360
GREENVILLE, SC 29601
Surgery
317 SAINT FRANCIS DR, SUITE 360
GREENVILLE, SC 29601
Nurse Practitioner
317 SAINT FRANCIS DR
GREENVILLE, SC 29601
Nurse Practitioner (Adult Health)
317 SAINT FRANCIS DR, SUITE 125
GREENVILLE, SC 29601

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 Timothy Williams's NPI number?

The NPI number for Timothy Williams is 1801987763. It was assigned to this individual provider in the NPPES registry on September 27, 2006.

Where is Timothy Williams located?

Timothy Williams practices at 317 Saint Francis Dr Suite 120, Greenville, SC 29601. The listed phone number is (864) 255-1317.

What is Timothy Williams's specialty?

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

Is Timothy Williams enrolled in Medicare?

Yes. Timothy Williams 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 Timothy Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Williams reassigns Medicare benefits to 2 organizations: St Francis Physician Services Inc (Greenville, SC) and Bon Secours Medical Group Greenville Specialty Care LLC (Greenville, 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 Timothy Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Timothy Williams accept?

Health plans from BlueCross BlueShield of South Carolina, First Choice Next, Oscar Health Plan of North Carolina, Inc and UnitedHealthcare list Timothy Williams 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 Timothy Williams affiliated with any hospitals?

According to CMS data, Timothy Williams is affiliated with St Francis-Downtown.

When was this NPI record last updated?

The NPPES record for Timothy Williams was last updated on November 30, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.