Dr. William Schillizzi, MD
- Medicare services, 2024
- 207
- Medicare patients, 2024
- 199
- Part D claims, 2018
- 33
- Hospital affiliations
- 4
- Medical groups
- 2
- Practice address
- 741 South East Main Street, Simpsonville, SC 29681
- Practice phone
- Call (864) 454-6100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Schillizzi's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William Schillizzi is a hospitalist in Simpsonville, South Carolina
Dr. Schillizzi practices at Prisma Health Hillcrest Hospital in Simpsonville, South Carolina, part of Prisma Health.
Dr. Schillizzi's NPI, 1215989744, was assigned on May 16, 2006. Dr. Schillizzi graduated from Rutgers New Jersey Medical School in 1985. Dr. Schillizzi holds South Carolina license 20368.
- NPI
- 1215989744NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305816836
- NPI enumeration date
- May 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (864) 454-6100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Schillizzi practices at 2 locations in Simpsonville, South Carolina
Dr. Schillizzi's primary practice is Prisma Health Hillcrest Hospital, at 741 South East Main Street, Simpsonville, SC 29681 in Greenville County. The practice phone is (864) 454-6100. Dr. Schillizzi also practices at Hillcrest Hospital, 729 SE Main St, Simpsonville, SC 29681.
- Prisma Health Hillcrest HospitalPrimary741 South East Main Street, Simpsonville, SC 29681 · Greenville CountyPhone(864) 454-6100
- Hillcrest Hospital729 SE Main St, Simpsonville, SC 29681 · Greenville CountyPhone(864) 454-3100
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. William Schillizzi is affiliated with 5 sites of care and 2 medical groups
Dr. Schillizzi's primary practice is Prisma Health Hillcrest Hospital in Simpsonville, South Carolina, part of Prisma Health. Dr. Schillizzi is also affiliated with Prisma Health Greenville Memorial Hospital. The medical group on file is Prisma Health Medical Group. Dmand AI also links Dr. Schillizzi to 2 more hospitals, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Schillizzi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schillizzi practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prisma Health Hillcrest Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Prisma Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William Schillizzi is one of 426 hospitalists in South Carolina
Hospitalist is Dr. Schillizzi's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Schillizzi is licensed in South Carolina.
Specialties and state licenses
- Hospitalist, South CarolinaPrimary
Hospitalists near Dr. Schillizzi
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William Schillizzi billed Medicare for 207 services in 2024
CMS data shows 207 Medicare services from Dr. Schillizzi across 2 procedure codes in 2024, for 199 Medicare patients. Medicare paid $23,531 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Schillizzi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2282024: 2079%
Dr. Schillizzi compared with the South Carolina median for hospitalists, 2024
- Dr. Schillizzi
- South Carolina median
- Medicare services
- 207vs 50259% below
- Medicare patients
- 199vs 23616% below
- Part D claims
- 33vs 8461% below
Medians across 409 hospitalists in South Carolina with Dmand AI profiles that report each measure.
Dr. Schillizzi's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Schillizzi treated 199 Medicare patients in 2024, average age 77
CMS counts 199 Medicare patients who saw Dr. Schillizzi in 2024. The largest group is 75 to 84, with 79 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 2.15, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Schillizzi's median patient age at 65, with 54% women.
Dr. Schillizzi's Medicare patients by age, 2024
Dr. Schillizzi's Medicare patients by sex, 2024
- Women10050%
- Men9950%
Chronic conditions among Dr. Schillizzi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Chronic kidney disease56%
- Diabetes52%
- Anxiety46%
- Ischemic heart disease46%
- Mood disorders45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Schillizzi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Schillizzi wrote 33 Medicare Part D claims in 2018
In 2018, Dr. Schillizzi wrote 33 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $198 in total drug cost. In 2016, CMS named 52 claims across 2 drugs.
Dr. Schillizzi's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2018
- 2016
- 2018
- Claims for drugs CMS names
- 2016: 522018: 3337%
Drugs named by CMS: 2 in 2018, 2 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. William Schillizzi takes part in Medicare
Dr. Schillizzi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. William Schillizzi graduated from Rutgers New Jersey Medical School
Dr. Schillizzi graduated from Rutgers New Jersey Medical School in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Schillizzi's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William Schillizzi
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William Schillizzi's NPI number?
Dr. William Schillizzi's NPI number is 1215989744. It was assigned on May 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Schillizzi?
Dr. William Schillizzi is a hospitalist in Simpsonville, South Carolina. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. William Schillizzi practice?
Dr. Schillizzi practices at 741 South East Main Street, Simpsonville, SC 29681. Dr. Schillizzi also practices at 729 SE Main St, Simpsonville, SC 29681. Dr. Schillizzi's primary practice is Prisma Health Hillcrest Hospital in Simpsonville, South Carolina, part of Prisma Health. Dmand AI also links Dr. Schillizzi to 2 hospitals, 1 home health agency and 1 medical group.
What is Dr. William Schillizzi's office phone number?
The practice phone on file for Dr. Schillizzi is (864) 454-6100.
What is Dr. William Schillizzi's medical license number?
Dr. Schillizzi holds South Carolina license 20368.
Which hospitals is Dr. William Schillizzi affiliated with?
Dr. Schillizzi practices at Prisma Health Hillcrest Hospital in Simpsonville, South Carolina. Dr. Schillizzi is also affiliated with Prisma Health Greenville Memorial Hospital. Dmand AI links Dr. Schillizzi to 2 more hospitals.
What medical group is Dr. William Schillizzi part of?
Dr. Schillizzi is linked to Prisma Health Medical Group. Dmand AI links Dr. Schillizzi to 1 more medical group.
Does Dr. William Schillizzi accept Medicare?
Yes. CMS data shows Dr. Schillizzi billed Medicare for 207 services in 2024, and Dr. Schillizzi accepts Medicare assignment.
How many Medicare patients does Dr. William Schillizzi see?
CMS counts 199 Medicare patients who saw Dr. Schillizzi in 2024, with an average age of 77.
What services does Dr. William Schillizzi bill to Medicare?
In 2024, Dr. Schillizzi's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99222).
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Where did Dr. William Schillizzi go to medical school?
Dr. Schillizzi graduated from Rutgers New Jersey Medical School in 1985.
What drugs does Dr. William Schillizzi prescribe most?
In 2018 Medicare Part D data, Dr. Schillizzi's most prescribed drugs by claims were Prednisone and Ciprofloxacin HCl.
How long has Dr. William Schillizzi been practicing?
Dr. Schillizzi graduated from medical school in 1985, 41 years ago.
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