William John Henry, M.D.
Internal Medicine Physician · Greer, SC
William John Henry, M.D. is an internal medicine physician with a practice address in Greer, South Carolina, and NPI 1518935832, issued on Mar 11, 2006. Check the license (South Carolina 11855, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William John Henry
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 11855 SC
Self-reported in NPPES; status is on the state search - Practice location
- 2755 S Highway 14, Greer, SC 29650
- Phone
- (864) 879-7556
- Enumerated
- Mar 11, 2006
- Record last updated
- Jan 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (864) 879-3693
- Medicaid ID
- 118553 SC
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Also registered at 2755 S Highway 14
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William John Henry in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 11855Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average internal medicine physician in 2024
3,583 Medicare Part D claims for 402 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 63 claims were for opioids.
Most prescribed
- Atorvastatin Calcium289 claims
- Lisinopril182 claims
- Amlodipine Besylate166 claims
- Levothyroxine Sodium128 claims
- Meloxicam111 claims
- Omeprazole108 claims
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.
The MIPS final score for 2023 (Medicare payment program): 96.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $154.51
7 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William John Henry among 1,881 internal medicine physician records in South Carolina
William John Henry, M.D. 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 58% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2021 · 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).
24 internal medicine physician records list a practice address in Greer
They are 24 of the 1,131 NPPES records with a practice address in Greer, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Greer → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Cristina Cameron, MDGreer, SC 296501750614822
- Ronak Desai, M.D.Greer, SC 296501154620987
- Luke Dolan, MDGreer, SC 296501780634824
- Cara Douglass, D.O.Greer, SC 296501952567166
- William Ellison, M.D.Greer, SC 296501548338197
- Todd Fennell, MDGreer, SC 296501083639884
- Karen Hunter, M.D.Greer, SC 296501023086147
- Daniel Jebens, D.O.Greer, SC 296501821124934
Common questions
What is William John Henry, M.D.'s NPI number?
William John Henry, M.D.'s National Provider Identifier (NPI) is 1518935832, issued on Mar 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William John Henry, M.D. located?
The NPPES record lists a practice address at 2755 S Highway 14, Greer, SC, 29650. Phone: (864) 879-7556. Providers update this record themselves, so call before visiting.
How can I verify William John Henry, M.D.'s license?
NPPES lists South Carolina license number 11855, 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 John Henry, M.D. prescribe under Medicare Part D?
In 2024, William John Henry, M.D. had 3,583 Medicare Part D claims for 402 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is William John Henry, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.