DR. WILLIAM LEROY CLARK MD
NPI 1164984910
Anesthesiology in Greenville, SC

Q: What is William Clark's NPI number?

The NPI number for William Clark is 1164984910. It was assigned to this individual provider in the NPPES registry on April 2, 2019.

Q: What is William Clark's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for William Clark was last updated on June 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 02, 2019PECOS EnrolledAccepts Medicare Assignment

7 INDEPENDENCE PT STE 300, GREENVILLE, SC 29615(864) 522-3700(864) 522-3705 Get Directions Write a Review

NPPES record last updated: June 29, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. William Leroy Clark Md NPPES

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

DR. WILLIAM LEROY CLARK MD (NPI 1164984910) is an individual anesthesiology provider in Greenville, South Carolina, licensed in South Carolina (89569) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Prisma Health Oconee Memorial Hospital, and maintains a secondary practice location in Indianapolis.

NPPES Registry Identity

NPI1164984910

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameDR. WILLIAM LEROY CLARKCredential: MD

Location Address7 INDEPENDENCE PT STE 300Greenville, SC 29615-4569

Mailing Address300 E Mcbee Ave Fl 4Greenville, SC 29601-2842 · (864) 522-8603

Phone(864) 522-3700

Fax(864) 522-3705

Sole ProprietorYes

Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 2019

Enumeration DateApril 2, 2019

Last NPPES UpdateJune 29, 2023

NPPES CertifiedJune 29, 2023

✔ NPI 1164984910 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in SC · 89569

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

7 INDEPENDENCE PT STE 300, Greenville, SC 29615

Open in Google Maps ↗

Secondary Practice Location 1

Location 1340 W 10th St # 6200Indianapolis, IN 46202-3082 · Phone (317) 278-2689

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. William Leroy Clark Md 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 ID7719211283

PECOS Enrollment IDI20230918003883

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 Reassignment

Medicare enrollment records show William Clark reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Prisma Health University Medical Group

Same address

Anesthesiology

7 INDEPENDENCE PT STE 300
Greenville, SC 29615

Reassigned Medicare billing, South Carolina enrollment
3,281 clinicians in this Medicare group

NPI 1528465374 (864) 522-3700

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 17

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.

Insertion of artery tube for blood sampling or infusion through skin 36620

This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.

42 services41 patients

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

38 services37 patients

Anesthesia for other procedure on upper abdomen 00790

Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.

28 services26 patients

Other procedure on nervous system 64999

A procedure on the nervous system can involve various techniques to diagnose or treat conditions affecting your brain, spinal cord, or nerves. These can include surgeries, tests, or therapies. It's done by specialized doctors to help improve your neurological health.

23 services23 patients

Anesthesia for placement or revision of blood flow shunt 01844

Anesthesia for blood flow shunt placement or revision ensures comfort during the procedure. It involves medication to numb or induce sleep, preventing pain or discomfort. It's safe, monitored by professionals, and tailored to individual needs.

21 services20 patients

Anesthesia for other closed procedure on chest 00520

Anesthesia for a closed chest procedure involves the use of medications to block sensation, ensuring you don't feel pain during the procedure. It can be general (you're asleep) or regional (part of your body is numbed). This helps maintain comfort and safety.

19 services19 patients

Anesthesia for other procedure on large blood vessel of neck 00350

Anesthesia for a procedure on a large neck blood vessel ensures comfort and safety. It involves administering medication to numb sensation, reduce pain, and potentially cause sleepiness. This allows doctors to perform the necessary procedure without causing discomfort.

18 services18 patients

Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 01810

Anesthesia for procedures on the forearm, wrist, and hand involves administering medication to block sensation in these areas. This helps ensure comfort and painlessness during surgeries or treatments involving nerves, muscles, tendons, and tissue in these regions.

18 services18 patients

Injection of anesthetic agent and/or steroid into lower back and leg nerve (sciatic nerve) 64445

This procedure involves injecting an anesthetic or steroid into the lower back and leg nerve to alleviate pain. The injection helps reduce inflammation and numb the area, providing relief from discomfort. This is a common treatment for conditions such as sciatica and herniated discs.

17 services15 patients

Anesthesia for other procedure on skin of arms, legs, and front body 00400

Anesthesia for procedures on the skin of your arms, legs, and front body is a service that numbs the area being treated. This ensures you don't feel pain during procedures like biopsies, stitches, or minor surgeries. It's administered through a small injection or a topical cream.

15 services15 patients

Anesthesia for procedure on chest with 1 lung inflated 00541

This procedure involves using anesthesia to ensure you feel no pain during a chest procedure where only one lung is inflated. It's a specialized technique that allows doctors to operate on one lung while the other continues to provide oxygen.

15 services15 patients

Anesthesia for other procedure on lower abdomen 00840

Anesthesia for a lower abdomen procedure involves medication to eliminate pain during surgery. You might be awake but relaxed and pain-free, or you may be completely unconscious. It's administered to ensure comfort and safety throughout the operation.

15 services15 patients

Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447

This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.

15 services14 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

14 services14 patients

Anesthesia for other procedure on artery of upper leg 01270

Anesthesia for a procedure on the artery of your upper leg helps ensure comfort and pain-free experience. It numbs the area so you won't feel any discomfort during the procedure. It's administered by a trained professional and monitored throughout.

13 services12 patients

Anesthesia for x-ray on artery of brain, heart, or chest 01926

Anesthesia is given before an x-ray of the brain, heart, or chest artery to ensure comfort and stillness. It helps to eliminate discomfort or pain during the procedure. It's administered by a trained professional, ensuring a safe and smooth procedure.

13 services12 patients

Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope 00732

This procedure involves using an endoscope, a flexible tube with a light and camera, to examine or treat your gallbladder, pancreas, or liver. Anesthesia is administered to ensure you're comfortable and pain-free during the procedure.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Prisma Health Oconee Memorial Hospital

Acute Care Hospitals · Seneca, SC

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420009

Location298 Memorial DrSeneca, SC 29672 · Oconee County

Emergency services Birthing friendly

Prisma Health Richland Hospital

Acute Care Hospitals · Columbia, SC

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420018

Location5 Medical ParkColumbia, SC 29203 · Richland County

Emergency services Birthing friendly

Prisma Health Greer Memorial Hospital

Acute Care Hospitals · Spartanburg, SC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420033

Location1413 John B White Sr Blvd Suite DSpartanburg, SC 29306 · Spartanburg County

Emergency services Birthing friendly

Prisma Health Greenville Memorial Hospital

Acute Care Hospitals · Greenville, SC

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420078

Location701 Grove RoadGreenville, SC 29605 · Greenville County

Birthing friendly

Prisma Health Patewood Hospital

Acute Care Hospitals · Greenville, SC

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420102

Location175 Patewood DriveGreenville, SC 29615 · Greenville County

Birthing friendly

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.

PAUL DEREK STREET CRNA

Nurse Anesthetist, Certified Registered