Keillan Mennella, ARNP
NPI 1255840559 · Family Nurse Practitioner · Seattle, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keillan Mennella, ARNP is a Family Nurse Practitioner provider in Seattle, WA (NPI 1255840559).
Provider details
- NPI number
- 1255840559
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP60793473 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
8 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
122 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 | 59 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 25 | $124 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 23 | $15 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 15 | $175 |
Typical Medicare-allowed amounts for these services range $9–$175 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 34 | 15 |
| Rosuvastatin Calcium | 31 | — |
| Atorvastatin Calcium | 30 | 15 |
| Omeprazole | 21 | — |
| Amlodipine Besylate | 18 | — |
| Levothyroxine Sodium | 15 | — |
| Citalopram Hydrobromide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-09-29
- Last updated
- 2022-10-03
- Certified
- 2022-10-03
Frequently asked questions
- What is Keillan Mennella's NPI number?
- Keillan Mennella's National Provider Identifier (NPI) is 1255840559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keillan Mennella's specialty?
- Keillan Mennella is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Keillan Mennella located?
- Keillan Mennella's practice location on file with NPPES is 4915 25th Ave Ne Ste 300w, Seattle, WA 98105-5668.
- What is Keillan Mennella's phone number?
- The practice phone number listed in the NPPES registry for Keillan Mennella is (206) 520-5000.
- Does Keillan Mennella accept Medicare?
- Keillan Mennella is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keillan Mennella's NPI active?
- Yes — Keillan Mennella's NPI (1255840559) is active in the NPPES registry as of the last update on 2022-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.