Darby Robinson O'Neill
NPI 1295842037 · Gastroenterology Physician · Everett, WA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darby Robinson O'Neill is a Gastroenterology Physician provider in Everett, WA (NPI 1295842037).
Provider details
- NPI number
- 1295842037
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- MD00045435 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
510 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 162 | $69 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 103 | $5 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 61 | $219 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $123 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 35 | $98 |
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 |
|---|---|---|
| Pantoprazole Sodium | 81 | 28 |
| Omeprazole | 67 | 36 |
| Prednisone | 29 | — |
| Azathioprine | 26 | — |
| Loperamide Hclbrand: Loperamide | 24 | — |
| Esomeprazole Magnesium | 22 | — |
| Dicyclomine Hcl | 21 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-25
- Last updated
- 2026-04-17
- Certified
- 2026-04-17
Frequently asked questions
- What is Darby Robinson O'Neill's NPI number?
- Darby Robinson O'Neill's National Provider Identifier (NPI) is 1295842037, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darby Robinson O'Neill's specialty?
- Darby Robinson O'Neill is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Darby Robinson O'Neill located?
- Darby Robinson O'Neill's practice location on file with NPPES is 3927 Rucker Ave, Everett, WA 98201-4833.
- What is Darby Robinson O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Darby Robinson O'Neill is (425) 258-3900.
- Does Darby Robinson O'Neill accept Medicare?
- Darby Robinson O'Neill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darby Robinson O'Neill's NPI active?
- Yes — Darby Robinson O'Neill's NPI (1295842037) is active in the NPPES registry as of the last update on 2026-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.