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WILLIAM MERRILL WARREN III M.D.
NPI 1922232610
Anesthesiology in Greenville, SC

Active since May 08, 2009PECOS EnrolledAccepts Medicare Assignment
67 CREEKSIDE PARK CT, GREENVILLE, SC 29615(864) 522-3700(864) 522-3705 Get Directions Write a Review

NPPES record last updated: May 7, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 7, 2021, Feb 21, 2017 (2 updates tracked since 2017).

About William Merrill Warren Iii M.d. NPPES

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

WILLIAM MERRILL WARREN III M.D. (NPI 1922232610) is an individual anesthesiology provider in Greenville, South Carolina, licensed in South Carolina (40510) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, is affiliated with St Francis-downtown, and is a graduate of University Of Alabama School Of Medicine (2009).

NPPES Registry Identity

NPI1922232610
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameWILLIAM MERRILL WARREN IIICredential: M.D.
Location Address67 CREEKSIDE PARK CTGreenville, SC 29615-4810
Mailing Address300 E Mcbee Ave Fl 4Greenville, SC 29601-2842 · (864) 522-8603
Phone(864) 522-3700
Fax(864) 522-3705
Sole ProprietorNo
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 2009
Enumeration DateMay 8, 2009
Last NPPES UpdateMay 7, 20212 updates tracked since enumeration
NPPES CertifiedMay 7, 2021
✔ NPI 1922232610 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in SC · 40510✔ Licensed in AL · 30718
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.
67 CREEKSIDE PARK CT, Greenville, SC 29615
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Other Identifiers 1

Medicaid405109SC

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

William Merrill Warren Iii 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 ID5698911295
PECOS Enrollment IDI20170330001577
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 10

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.

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.
68 services68 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
38 services38 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
37 services37 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
34 services34 patients
Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
19 services19 patients
Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope 00918
This procedure involves using anesthesia to ensure comfort while a special instrument called an endoscope helps to locate, break up, and possibly remove kidney stones. The endoscope is a thin, flexible tube which is gently inserted and navigated to the area of concern.
16 services15 patients

Hospital Affiliations CMS Care Compare 5

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

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 Hillcrest Hospital

Acute Care Hospitals · Simpsonville, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420037
Location741 South East Main StreetSimpsonville, SC 29681 · Greenville County
Emergency services

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.

JEFFREY ALEXANDER WHARTON M.D.
Anesthesiology (Pediatric Anesthesiology)
67 CREEKSIDE PARK CT
GREENVILLE, SC 29615
Greenville County (864) 522-3700
WILLIAM ROBERT HAND M.D.
Anesthesiology
67 CREEKSIDE PARK CT
GREENVILLE, SC 29615
Greenville County (864) 522-3700
MARGARET M MILLER MD
Anesthesiology
67 CREEKSIDE PARK CT
GREENVILLE, SC 29615
Greenville County (864) 522-3700
MARK DOUGLAS MATHIS MD
Anesthesiology
67 CREEKSIDE PARK CT
GREENVILLE, SC 29615
Greenville County (864) 242-4602
JAKE CARSON JOHNSON MD
Anesthesiology
67 CREEKSIDE PARK CT
GREENVILLE, SC 29615
Greenville County (864) 242-4602
RANDY APPLEFELD MD
Anesthesiology
67 CREEKSIDE PARK CT
GREENVILLE, SC 29615
Greenville County (864) 522-3700
DAVID MICHAEL VONCLEF M.D.
Anesthesiology
67 CREEKSIDE PARK CT
GREENVILLE, SC 29615
Greenville County (864) 522-3700
CHRISTIAN CARL MABRY
Anesthesiology
67 CREEKSIDE PARK CT
GREENVILLE, SC 29615
Greenville County (864) 522-3700

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 William Warren's NPI number?

The NPI number for William Warren is 1922232610. It was assigned to this individual provider in the NPPES registry on May 8, 2009.

Where is William Warren located?

William Warren practices at 67 Creekside Park Ct, Greenville, SC 29615. The listed phone number is (864) 522-3700.

What is William Warren's specialty?

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

Is William Warren enrolled in Medicare?

Yes. William Warren 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.

Is William Warren affiliated with any hospitals?

According to CMS data, William Warren is affiliated with St Francis-Downtown, Prisma Health Greer Memorial Hospital, Prisma Health Hillcrest Hospital, Prisma Health Greenville Memorial Hospital and Prisma Health Patewood Hospital.

When was this NPI record last updated?

The NPPES record for William Warren was last updated on May 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.