Doctor profile · Federal record
Dr. William Whitehouse, D.O.
Internal Medicine Physician (CMS: Internal Medicine) · Greenville, SC
- NPI 1104121847
- Accepts Medicare
- 16 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
317 Saint Francis Dr # 220B
Greenville, SC 296013965
(864) 255-1304
Credentials & registration
- NPI registered
- January 2011 — 15 yrs on file
- Profile last updated
- November 3, 2025
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- South Carolina #36084
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104121847. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
316
Distinct HCPCS
5
Medicare allowed
$33,157
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 107 | 101 | $123 | |
99497 |
Advance care planning, first 30 minutes | 78 | 77 | $72 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 70 | 51 | $75 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 44 | 44 | $163 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 17 | 15 | $113 |
In context: peer comparison
Among 73 peers in Greenville Internal Medicine Physician, average services per provider: 207. This provider delivers 1.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
24
Patients
0
Total drug cost
$681
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 13 | 0 | $401 |
| Morphine Sulfate ER (Morphine Sulfate) | Brand | 11 | 0 | $280 |
Frequently asked questions
What is Dr. William Whitehouse's medical specialty?
Dr. William Whitehouse practices Internal Medicine Physician in Greenville, SC.
Where does Dr. William Whitehouse practice?
Dr. William Whitehouse practices at 317 Saint Francis Dr # 220B, Greenville, SC 296013965. Office phone: 8642551304.
What is Dr. William Whitehouse's NPI?
Dr. William Whitehouse's National Provider Identifier (NPI) is 1104121847, issued by NPPES.
Does Dr. William Whitehouse accept Medicare assignment?
Yes. Dr. William Whitehouse accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Whitehouse commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Advance care planning (HCPCS 99497); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.