Darby E. Robinson O'Neill
Gastroenterology Physician · Everett, WA
Darby E. Robinson O'Neill is a gastroenterology physician with a practice address in Everett, Washington, and NPI 1295842037, issued on Aug 25, 2006. Check the license (Washington MD00045435, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Darby E. Robinson O'Neill
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD00045435 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3927 Rucker Ave, Everett, WA 98201
- Phone
- (425) 258-3900
- Enumerated
- Aug 25, 2006
- Record last updated
- Apr 17, 2026
- Medicaid ID
- 1295842037 WA
- Medicare enrollment
- Enrolled (PECOS I20060419000236); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 533 in Washington → Look up another NPI →
Also registered at 3927 Rucker Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alvin AbuegPhysician Assistant1396132015
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- Jeffery Adams, MDOtolaryngology Physician1104891175
- Hamed Al-Ghanim, MDFamily Medicine Physician1124039938
- Wendi Alexander, ARNPNurse Practitioner1689757874
Verify Darby E. Robinson O'Neill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00045435Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average gastroenterology physician in 2024
444 Medicare Part D claims for 135 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Pantoprazole Sodium81 claims
- Omeprazole67 claims
- Prednisone29 claims
- Azathioprine26 claims
- Loperamide24 claims
- Esomeprazole Magnesium22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Optum Care Washington PLLCEverett, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Darby E. Robinson O'Neill among 533 gastroenterology physician records in Washington
Darby E. Robinson O'Neill is one of 533 gastroenterology physician records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 48% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2002 · median 2003 among the 373 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Washington
There are 533 gastroenterology physician records in Washington.
All 533 in Washington → Every provider in Everett → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Robert Brenner, M.D.Everett, WA 982011437254075
- George Cox, MDEverett, WA 982011841256617
- Geoffrey Davis, MDEverett, WA 982011821054743
- Maneesh Gupta, MD, MSEverett, WA 982011952511024
- Lonny Hecker, MDEverett, WA 982011215995618
- Janet King, MDEverett, WA 982011760584452
- Robert Palmer, DOEverett, WA 982011306807128
- William Putnam, MDEverett, WA 982011578534152
Common questions
What is Darby E. Robinson O'Neill's NPI number?
Darby E. Robinson O'Neill's National Provider Identifier (NPI) is 1295842037, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Darby E. Robinson O'Neill located?
The NPPES record lists a practice address at 3927 Rucker Ave, Everett, WA, 98201. Phone: (425) 258-3900. Providers update this record themselves, so call before visiting.
How can I verify Darby E. Robinson O'Neill's license?
NPPES lists Washington license number MD00045435, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Darby E. Robinson O'Neill prescribe under Medicare Part D?
In 2024, Darby E. Robinson O'Neill had 444 Medicare Part D claims for 135 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.