Katherine Mahoney, ARNP
NPI 1336851252 · Family Nurse Practitioner · Lynden, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Mahoney, ARNP is a Family Nurse Practitioner provider in Lynden, WA (NPI 1336851252).
Provider details
- NPI number
- 1336851252
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP61295718 (WA)
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
3 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
515 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 116 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 98 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 50 | $13 |
| Automated Urinalysis Test81003 | 47 | $2 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 39 | $8 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 38 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 126 | 36 |
| Losartan Potassium | 104 | 30 |
| Levothyroxine Sodium | 92 | 26 |
| Lisinopril | 91 | 27 |
| Rosuvastatin Calcium | 87 | 32 |
| Amlodipine Besylate | 83 | 23 |
| Sertraline Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-12-22
- Last updated
- 2023-01-26
- Certified
- 2023-01-26
Frequently asked questions
- What is Katherine Mahoney's NPI number?
- Katherine Mahoney's National Provider Identifier (NPI) is 1336851252, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Mahoney's specialty?
- Katherine Mahoney is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Mahoney located?
- Katherine Mahoney's practice location on file with NPPES is 1610 Grover St Ste D1, Lynden, WA 98264-1539.
- What is Katherine Mahoney's phone number?
- The practice phone number listed in the NPPES registry for Katherine Mahoney is (360) 354-1333.
- Does Katherine Mahoney accept Medicare?
- Katherine Mahoney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Mahoney's NPI active?
- Yes — Katherine Mahoney's NPI (1336851252) is active in the NPPES registry as of the last update on 2023-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.