Katherine Byron, ARNP
NPI 1255469284 · Nurse Practitioner · Everett, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Byron, ARNP is a Nurse Practitioner provider in Everett, WA (NPI 1255469284).
Provider details
- NPI number
- 1255469284
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP30007464 (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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
174 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 | 74 | $78 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $53 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 28 | $40 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 22 | $93 |
Typical Medicare-allowed amounts for these services range $40–$93 (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 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 213 | 87 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 203 | 107 |
| Atorvastatin Calcium | 173 | 71 |
| Metoprolol Succinate | 146 | 70 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 107 | 43 |
| Nitroglycerin | 87 | 76 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$311 across 4 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
Registry dates
- Enumerated
- 2007-03-01
- Last updated
- 2015-05-22
Frequently asked questions
- What is Katherine Byron's NPI number?
- Katherine Byron's National Provider Identifier (NPI) is 1255469284, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Byron's specialty?
- Katherine Byron is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Byron located?
- Katherine Byron's practice location on file with NPPES is 1330 Rockefeller Ave, Everett, WA 98201-1684.
- What is Katherine Byron's phone number?
- The practice phone number listed in the NPPES registry for Katherine Byron is (425) 261-4925.
- Does Katherine Byron accept Medicare?
- Katherine Byron is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Byron's NPI active?
- Yes — Katherine Byron's NPI (1255469284) is active in the NPPES registry as of the last update on 2015-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.