Robert M. Dy, D.O.
Gastroenterology Physician · Mount Vernon, WA
Robert M. Dy, D.O. is a gastroenterology physician with a practice address in Mount Vernon, Washington, and NPI 1851397210, issued on Jun 21, 2005. Check the license (Washington OP00001859, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Robert M. Dy
- Credential
- D.O.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- OP00001859 WA
Self-reported in NPPES; status is on the state search - Practice location
- 211 S 13TH St, Mount Vernon, WA 98274
- Phone
- (360) 814-6113
- Enumerated
- Jun 21, 2005
- Record last updated
- Dec 9, 2024
- Fax
- (360) 814-6111
- Medicare enrollment
- Enrolled (PECOS I20080515000072); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 1992
- Entity
- Type 1 · individual
Also registered at 211 S 13TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cindy Bullock, DPMPodiatrist1598770927
- April Bute, FNP-CFamily Nurse Practitioner1902597131
- Jeremy Godsell, MDOtolaryngology Physician1629633284
- Sidra Mendez, PA-CMedical Physician Assistant1306514161
- Ayah Oglat, MDGastroenterology Physician1548644149
- Michael Santoro, MD, MPHOccupational Medicine Physician1437247475
Verify Robert M. Dy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP00001859Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average gastroenterology physician in 2024
93 Medicare Part D claims for 81 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Peg 3350-Electrolyte29 claims
- Sod Sulf-Potass Sulf-Mag Sulf23 claims
- Omeprazole21 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
- Public Hospital Dist NO 1 SkagitMount Vernon, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in Washington
There are 533 gastroenterology physician records in Washington.
Other gastroenterology physician records in Washington
- Abimbola AdikePoulsbo, WA1821357112
- Abhishek Agarwal, MDPuyallup, WA1801010053
- Gaurav Aggarwal, M.D.Bellevue, WA1902083587
- Sanjay Agrawal, M.D.Tacoma, WA1710912894
- Ehsaan Akhtar, MDKirkland, WA1710255591
- Oviea Akpotaire, MDSeattle, WA1649632936
- Steven Alabaster, MDTacoma, WA1801869623
- Sankar Alagugurusamy, MDMount Vernon, WA1093970576
- Hawwa Alao, MDSeattle, WA1376774752
- Nouredin Alebouyeh, M.D.Seattle, WA1144454711
Common questions
What is Robert M. Dy, D.O.'s NPI number?
Robert M. Dy, D.O.'s National Provider Identifier (NPI) is 1851397210, issued on Jun 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert M. Dy, D.O. located?
The NPPES record lists a practice address at 211 S 13TH St, Mount Vernon, WA, 98274. Phone: (360) 814-6113. Providers update this record themselves, so call before visiting.
How can I verify Robert M. Dy, D.O.'s license?
NPPES lists Washington license number OP00001859, 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 Robert M. Dy, D.O. prescribe under Medicare Part D?
In 2024, Robert M. Dy, D.O. had 93 Medicare Part D claims for 81 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.