Katherine Proffer, FNP
NPI 1225420466 · Family Nurse Practitioner · Florence, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Proffer, FNP is a Family Nurse Practitioner provider in Florence, SC (NPI 1225420466).
Provider details
- NPI number
- 1225420466
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 19313 (SC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
640 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 136 | $102 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 106 | $16 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 89 | $41 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 83 | $133 |
| Automated Urinalysis Test81003 | 48 | $2 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 178 | 174 |
| Prednisone | 149 | 140 |
| Azithromycin | 89 | 86 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 55 | 53 |
| Amoxicillin | 49 | 48 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 42 | 40 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 4278 Ladson RdLadson, SC 29456-5452Phone: (843) 203-2240Fax: (843) 203-2241
Registry dates
- Enumerated
- 2015-02-25
- Last updated
- 2025-11-24
- Certified
- 2025-11-24
Frequently asked questions
- What is Katherine Proffer's NPI number?
- Katherine Proffer's National Provider Identifier (NPI) is 1225420466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Proffer's specialty?
- Katherine Proffer is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Proffer located?
- Katherine Proffer's practice location on file with NPPES is 360 N Irby St, Florence, SC 29501-2808.
- What is Katherine Proffer's phone number?
- The practice phone number listed in the NPPES registry for Katherine Proffer is (843) 667-9414.
- Does Katherine Proffer accept Medicare?
- Katherine Proffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Proffer's NPI active?
- Yes — Katherine Proffer's NPI (1225420466) is active in the NPPES registry as of the last update on 2025-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.