William Jackson Perkins
Gastroenterology Physician · Sumter, SC
William Jackson Perkins is a gastroenterology physician with a practice address in Sumter, South Carolina, and NPI 1871813733, issued on Jun 2, 2010. Check the license (South Carolina 39250, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Jackson Perkins
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 39250 SC
164734 NC
Self-reported in NPPES; status is on the state search - Practice location
- 115 N Sumter St Ste 315, Sumter, SC 29150
- Phone
- (803) 774-9787
- Enumerated
- Jun 2, 2010
- Record last updated
- Jun 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (803) 774-9781
- Medicaid ID
- 392505 SC
- Medicare enrollment
- Enrolled (PECOS I20160722000680); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 303 in South Carolina → Look up another NPI →
Also registered at 115 N Sumter St Ste 315
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Majdi Al-Hasan, MDInfectious Disease Physician1477525822
- Mohammed Alzubaidi, MDNephrology Physician1912258567
- Whitney Eichmeier, FNPNurse Practitioner1245901883
- Lauren Ferguson, PA-CPhysician Assistant1679308480
- Matthew Floyd, MDNephrology Physician1841429248
- Marion Geddings, FNP-BCFamily Nurse Practitioner1003371089
Verify William Jackson Perkins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 39250Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average gastroenterology physician in 2024
372 Medicare Part D claims for 160 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Omeprazole46 claims
- Gavilyte-G36 claims
- Peg-3350 And Electrolytes31 claims
- Linzess30 claims
- Dicyclomine Hcl27 claims
- Pantoprazole Sodium27 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.
Industry payments in 2024: $114.80
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- Musc Community PhysiciansOrangeburg, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Jackson Perkins among 303 gastroenterology physician records in South Carolina
William Jackson Perkins is one of 303 gastroenterology physician records with a practice address in South Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 69% of them.
- NPI issued2010 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2010 · median 2005 among the 217 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in South Carolina
There are 303 gastroenterology physician records in South Carolina.
All 303 in South Carolina → Every provider in Sumter → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Floyd Angus, MDSumter, SC 291501124091137
- Kent Cunningham, MDSumter, SC 291501508839606
- Frank Martin, MD FACPSumter, SC 291501619983798
- Scott McDuffie, MDSumter, SC 291501982677084
- Theophilus Williams, MDSumter, SC 291501104899111
- Eric Heinzelmann, MDWest Columbia, SC 291691861427726
- Richard Lawson, MDWest Columbia, SC 291691518985175
- Samuel Saleeby, MDWest Columbia, SC 291691457381147
Common questions
What is William Jackson Perkins's NPI number?
William Jackson Perkins's National Provider Identifier (NPI) is 1871813733, issued on Jun 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is William Jackson Perkins located?
The NPPES record lists a practice address at 115 N Sumter St Ste 315, Sumter, SC, 29150. Phone: (803) 774-9787. Providers update this record themselves, so call before visiting.
How can I verify William Jackson Perkins's license?
NPPES lists South Carolina license number 39250, 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 Jackson Perkins prescribe under Medicare Part D?
In 2024, William Jackson Perkins had 372 Medicare Part D claims for 160 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.