Doctor profile · Federal record

Dr. William Schillizzi, M.D.

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Greenville, SC

  • NPI 1215989744
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 Grove RD, 5Th Floor
Greenville, SC 296055611
(864) 455-4436
fax (864) 455-5008
Mailing address
300 E McBee Ave Fl 4
Greenville, SC 296012842

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
May 11, 2021
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
South Carolina #20368
Medicaid
SC #T46475

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215989744. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
228
Distinct HCPCS
2
Medicare allowed
$34,457
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 153 149 $165
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 75 75 $123

In context: peer comparison

Among 52 peers in Greenville Hospitalist Physician, average services per provider: 111. This provider delivers 2.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. William Schillizzi's medical specialty?
Dr. William Schillizzi practices Hospitalist Physician in Greenville, SC.
Where does Dr. William Schillizzi practice?
Dr. William Schillizzi practices at 701 Grove RD, Greenville, SC 296055611. Office phone: 8644554436.
What is Dr. William Schillizzi's NPI?
Dr. William Schillizzi's National Provider Identifier (NPI) is 1215989744, issued by NPPES.
Does Dr. William Schillizzi accept Medicare assignment?
Yes. Dr. William Schillizzi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Schillizzi commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.