Quick answers
- Which hospitals does Dan Siapco work at?
- Medicare's official clinician data lists Dan Siapco at 1 hospital: Whidbeyhealth Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dan Siapco see patients?
- Medicare's clinician data lists 3 practice locations, including Coupeville, WA, Hilo, HI and Mount Vernon, WA. Call before your visit to confirm the address.
- What is Dan Siapco's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Dan Siapco accept Medicare assignment?
- Yes. Medicare's clinician data says Dan Siapco 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 Dan Siapco?
- (360) 678-2020, as listed in official Medicare / NPI Registry data.
- What is Dan Siapco's NPI number?
- 1881631273. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dan Siapco works
Medicare's Facility Affiliation Data lists Dan Siapco at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Whidbeyhealth Medical CenterCoupeville, WA · Critical Access Hospital · CCN 501339
Practice locations
Addresses where Dan Siapco is enrolled with Medicare (CMS data updated 2026-10-02).
- 109 NE Birch StCoupeville, WA 98239 (360) 678‑2020
- 111 Aupuni St, Suite 101Hilo, HI 96720 (808) 935‑2964
- 2100 Little Mountain LnMount Vernon, WA 98274 (360) 416‑6735
Group practices
Medicare enrollment lists Dan Siapco as a member of this group (CMS data updated 2026-10-02).
- North Cascade Eye Associates PS12 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881631273 |
| 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