Katherine Fenster, NP
NPI 1265017164 · Family Nurse Practitioner · Cheektowaga, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Fenster, NP is a Family Nurse Practitioner provider in Cheektowaga, NY (NPI 1265017164).
Provider details
- NPI number
- 1265017164
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 346185 (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 tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
123 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 37 | $102 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 22 | $88 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 21 | $72 |
| Automated Urinalysis Test81003 | 17 | $2 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $133 |
| X-Ray of Chest, 2 Views71046 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 67 | 67 |
| Cephalexin | 44 | 43 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 39 | 38 |
| Doxycycline Hyclate | 23 | 22 |
| Amoxicillin | 22 | 20 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 16 | 16 |
| Azithromycin | 15 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-11
- Last updated
- 2024-05-02
- Certified
- 2024-05-02
Frequently asked questions
- What is Katherine Fenster's NPI number?
- Katherine Fenster's National Provider Identifier (NPI) is 1265017164, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Fenster's specialty?
- Katherine Fenster is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Fenster located?
- Katherine Fenster's practice location on file with NPPES is 3450 Union Rd, Cheektowaga, NY 14225-5120.
- What is Katherine Fenster's phone number?
- The practice phone number listed in the NPPES registry for Katherine Fenster is (716) 395-2043.
- Does Katherine Fenster accept Medicare?
- Katherine Fenster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Fenster's NPI active?
- Yes — Katherine Fenster's NPI (1265017164) is active in the NPPES registry as of the last update on 2024-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.