Quick answers
- Which hospitals does Robert Dy work at?
- Medicare's official clinician data lists Robert Dy at 2 hospitals: Skagit Valley Hospital and Whidbeyhealth Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert Dy see patients?
- Medicare's clinician data lists 1 practice location in Mount Vernon, WA. Call before your visit to confirm the address.
- What is Robert Dy's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Robert Dy accept Medicare assignment?
- Yes. Medicare's clinician data says Robert Dy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Robert Dy?
- (360) 814-5900, as listed in official Medicare / NPI Registry data.
- What is Robert Dy's NPI number?
- 1851397210. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert Dy works
Medicare's Facility Affiliation Data lists Robert Dy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Skagit Valley HospitalMount Vernon, WA · Acute Care Hospital · CCN 500003
- Whidbeyhealth Medical CenterCoupeville, WA · Critical Access Hospital · CCN 501339
Practice locations
Addresses where Robert Dy is enrolled with Medicare (CMS data updated 2026-10-02).
- 211 S 13th StMount Vernon, WA 98274 (360) 814‑5900
Group practices
Medicare enrollment lists Robert Dy as a member of this group (CMS data updated 2026-10-02).
- Public Hospital Dist No 1 Skagit323 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Mount Vernon
Clinicians with the same Medicare primary specialty in Mount Vernon, WA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | University Of New England, College Of Osteo Medicine |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851397210 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians