Katherine C. Proffer, FNP
Family Nurse Practitioner · Florence, SC
Katherine C. Proffer, FNP is a family nurse practitioner with a practice address in Florence, South Carolina, and NPI 1225420466, issued on Feb 25, 2015. Check the license (South Carolina 19313, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine C. Proffer
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 19313 SC
Self-reported in NPPES; status is on the state search - Practice location
- 360 N Irby St, Florence, SC 29501
- Phone
- (843) 667-9414
- Enumerated
- Feb 25, 2015
- Record last updated
- Nov 24, 2025
- Fax
- (843) 667-1362
- Medicare enrollment
- Enrolled (PECOS I20151029002944); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,320 in South Carolina → Look up another NPI →
Also registered at 360 N Irby St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lakyn BendleProfessional Counselor1003155789
Verify Katherine C. Proffer 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 19313Check 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% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,273 Medicare Part D claims for 611 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluticasone Propionate178 claims
- Prednisone149 claims
- Azithromycin89 claims
- Amoxicillin-Clavulanate Potass55 claims
- Amoxicillin49 claims
- Albuterol Sulfate Hfa42 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: $13.76
1 payment: food and beverage; the largest payer was Pfizer Inc. The 99,489 providers of this specialty with any payment received $650.95 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 2 group practices
- Lowcountry Urgent Care LLCBeaufort, SC
- Roper Saint Francis Physicians NetworkLadson, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine C. Proffer among 4,320 family nurse practitioner records in South Carolina
Katherine C. Proffer, FNP is one of 4,320 family nurse practitioner records with a practice address in South Carolina. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 29% of them.
- NPI issued2015 · 29% of these records are older, 65% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2014 · median 2018 among the 2,643 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
169 family nurse practitioner records list a practice address in Florence
They are 169 of the 2,634 NPPES records with a practice address in Florence, and 4,320 family nurse practitioner records in South Carolina.
All 4,320 in South Carolina → Every provider in Florence → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Tara Dempster, NPFlorence, SC 295011306085907
- Heather Evans, FNPFlorence, SC 295011710305016
- Michelle Ferrigno, FNPFlorence, SC 295011336113935
- Julie Gage, FNPFlorence, SC 295011518182542
- Cynthia Gainey, FNPFlorence, SC 295011588058507
- James Grzech, FNPFlorence, SC 295011275680704
- Lindsay Howard, FNPFlorence, SC 295011720289135
- Julia Hucks, FNPFlorence, SC 295011346206372
Common questions
What is Katherine C. Proffer, FNP's NPI number?
Katherine C. Proffer, FNP's National Provider Identifier (NPI) is 1225420466, issued on Feb 25, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Katherine C. Proffer, FNP located?
The NPPES record lists a practice address at 360 N Irby St, Florence, SC, 29501. Phone: (843) 667-9414. Providers update this record themselves, so call before visiting.
How can I verify Katherine C. Proffer, FNP's license?
NPPES lists South Carolina license number 19313, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine C. Proffer, FNP prescribe under Medicare Part D?
In 2024, Katherine C. Proffer, FNP had 1,273 Medicare Part D claims for 611 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.