Katherine Silliman Coffey, PA
Physician Assistant · Sumter, SC
Katherine Silliman Coffey, PA is a physician assistant with a practice address in Sumter, South Carolina, and NPI 1518904135, issued on Jun 1, 2006. Check the license (South Carolina 1071, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Silliman Coffey
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 1071 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1295 Wilson Hall RD, Sumter, SC 29150
- Phone
- (803) 905-6800
- Enumerated
- Jun 1, 2006
- Record last updated
- Feb 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (803) 905-6810
- Medicare enrollment
- Enrolled (PECOS I20070206000631); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,294 in South Carolina → Look up another NPI →
Also registered at 1295 Wilson Hall RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen Herring, MDFamily Medicine Physician1437721578
- Harry Jordan, M.D.Internal Medicine Physician1124064738
- Michael Ouzts, DOFamily Medicine Physician1326576935
- Andrew Reynolds, MDInternal Medicine Physician1144218009
Verify Katherine Silliman Coffey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
Search for license 1071Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average physician assistant in 2024
1,803 Medicare Part D claims for 322 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium116 claims
- Levothyroxine Sodium105 claims
- Amlodipine Besylate78 claims
- Rosuvastatin Calcium51 claims
- Losartan Potassium44 claims
- Omeprazole39 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: $967.04
62 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 64,719 providers of this specialty with any payment received $841.65 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
- Mcleod Regional Medical Center OF The Pee Dee IncSumter, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Silliman Coffey among 2,294 physician assistant records in South Carolina
Katherine Silliman Coffey, PA is one of 2,294 physician assistant 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 2% of them.
- NPI issued2006 · 2% of these records are older, 86% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2005 · median 2019 among the 1,516 with a school on file
- Record last updated2021 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 physician assistant records list a practice address in Sumter
They are 23 of the 1,265 NPPES records with a practice address in Sumter, and 2,294 physician assistant records in South Carolina.
All 2,294 in South Carolina → Every provider in Sumter → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Anthony Baugh, PA-CSumter, SC 291501912562695
- Leslie Beben, PASumter, SC 291501417941501
- Temisha Budden, PASumter, SC 291501053370593
- Nomigly Comeau, PA-CSumter, SC 291501366614737
- Alexandra Condy, PASumter, SC 291501164998266
- John Jahnke, PA-CSumter, SC 291501699765768
- Lauren Pepin, PA-CSumter, SC 291501083045546
- Marlisa Peterson, PA-CSumter, SC 291501891191409
Common questions
What is Katherine Silliman Coffey, PA's NPI number?
Katherine Silliman Coffey, PA's National Provider Identifier (NPI) is 1518904135, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Silliman Coffey, PA located?
The NPPES record lists a practice address at 1295 Wilson Hall RD, Sumter, SC, 29150. Phone: (803) 905-6800. Providers update this record themselves, so call before visiting.
How can I verify Katherine Silliman Coffey, PA's license?
NPPES lists South Carolina license number 1071, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Silliman Coffey, PA prescribe under Medicare Part D?
In 2024, Katherine Silliman Coffey, PA had 1,803 Medicare Part D claims for 322 beneficiaries; the average among physician assistant prescribers was 830. 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.