Kathy Der, FNP
NPI 1245541325 · Family Nurse Practitioner · Lowville, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathy Der, FNP is a Family Nurse Practitioner provider in Lowville, NY (NPI 1245541325).
Provider details
- NPI number
- 1245541325
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- F336327-1 (NY)
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
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
390 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 | 259 | $103 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 82 | $73 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 34 | $105 |
| Administration of Influenza Virus VaccineG0008 | 15 | $28 |
Typical Medicare-allowed amounts for these services range $28–$105 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 248 | 64 |
| Losartan Potassium | 187 | 52 |
| Rosuvastatin Calcium | 161 | 50 |
| Omeprazole | 153 | 45 |
| Hydrochlorothiazide | 133 | 39 |
| Atorvastatin Calcium | 130 | 40 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$298 across 17 records (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 (2)
- 214 Church StCarthage, NY 13619-1212Phone: (315) 493-0128Fax: (315) 493-6200
- 214 Church StCarthage, NY 13619-1212Phone: (315) 493-0128Fax: (315) 493-6200
Registry dates
- Enumerated
- 2010-06-23
- Last updated
- 2019-08-19
Frequently asked questions
- What is Kathy Der's NPI number?
- Kathy Der's National Provider Identifier (NPI) is 1245541325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathy Der's specialty?
- Kathy Der is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathy Der located?
- Kathy Der's practice location on file with NPPES is 7785 N State St Fl 3, Lowville, NY 13367.
- What is Kathy Der's phone number?
- The practice phone number listed in the NPPES registry for Kathy Der is (315) 376-5287.
- Does Kathy Der accept Medicare?
- Kathy Der is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathy Der's NPI active?
- Yes — Kathy Der's NPI (1245541325) is active in the NPPES registry as of the last update on 2019-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.