William Whitehouse, D.O.
Internal Medicine Physician · Greenville, SC
William Whitehouse, D.O. is an internal medicine physician with a practice address in Greenville, South Carolina, and NPI 1104121847, issued on Jan 11, 2011. Check the license (South Carolina 36084, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Whitehouse
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 36084 SC
Self-reported in NPPES; status is on the state search - Practice location
- 317 Saint Francis Dr # 220B, Greenville, SC 29601
- Phone
- (864) 255-1304
- Enumerated
- Jan 11, 2011
- Record last updated
- Nov 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20130911000853); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Verify William Whitehouse in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 36084Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
15 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Bon Secours Medical Group Greenville Specialty Care LLCGreenville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Whitehouse among 1,881 internal medicine physician records in South Carolina
William Whitehouse, D.O. is one of 1,881 internal medicine physician records with a practice address in South Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 53% of them.
- NPI issued2011 · 53% of these records are older, 44% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2010 · median 2006 among the 1,119 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
253 internal medicine physician records list a practice address in Greenville
They are 253 of the 10,264 NPPES records with a practice address in Greenville, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Greenville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joanne Daniel-Saunders, M.D.Greenville, SC 296011164536918
- Lori Malvern, M.D.Greenville, SC 296011578663498
- Ali Nabavi, DOGreenville, SC 296011891131652
- Jeffrey Siegel, M.D.Greenville, SC 296011861598401
- Bruce Swords, M.D.Greenville, SC 296011912956947
- Angelica Thapa, MDGreenville, SC 296011093344558
- Brandon Turnage, DOGreenville, SC 296011124682323
- Barry Blackston, M.D.Greenville, SC 296051316948185
Common questions
What is William Whitehouse, D.O.'s NPI number?
William Whitehouse, D.O.'s National Provider Identifier (NPI) is 1104121847, issued on Jan 11, 2011. An NPI identifies a provider in billing; it is not a license.
Where is William Whitehouse, D.O. located?
The NPPES record lists a practice address at 317 Saint Francis Dr # 220B, Greenville, SC, 29601. Phone: (864) 255-1304. Providers update this record themselves, so call before visiting.
How can I verify William Whitehouse, D.O.'s license?
NPPES lists South Carolina license number 36084, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Whitehouse, D.O. prescribe under Medicare Part D?
In 2024, William Whitehouse, D.O. had 15 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.