Bonnie Lash, FNP
NPI 1235307737 · Family Nurse Practitioner · Bainbridge Island, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bonnie Lash, FNP is a Family Nurse Practitioner provider in Bainbridge Island, WA (NPI 1235307737).
Provider details
- NPI number
- 1235307737
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 1277 (AK)
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
18 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
753 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 | 308 | $105 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 116 | $75 |
| Urinalysis, Manual Test81002 | 79 | $3 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 76 | $94 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 52 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 48 | 48 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 41 | 41 |
| Doxycycline Monohydrate | 41 | 39 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 35 | 33 |
| Cephalexin | 32 | 30 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 23 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-02-19
- Last updated
- 2024-03-27
- Certified
- 2024-03-27
Frequently asked questions
- What is Bonnie Lash's NPI number?
- Bonnie Lash's National Provider Identifier (NPI) is 1235307737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bonnie Lash's specialty?
- Bonnie Lash is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Bonnie Lash located?
- Bonnie Lash's practice location on file with NPPES is 1344 Wintergreen Lane, Bainbridge Island, WA 98110.
- What is Bonnie Lash's phone number?
- The practice phone number listed in the NPPES registry for Bonnie Lash is (206) 201-0488.
- Does Bonnie Lash accept Medicare?
- Bonnie Lash is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bonnie Lash's NPI active?
- Yes — Bonnie Lash's NPI (1235307737) is active in the NPPES registry as of the last update on 2024-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.