Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dan Siapco, MD

Individual provider Ophthalmology Physician · NPI 1881631273

Dan Siapco, MD is an Ophthalmology in Sedro Woolley, Washington. Graduated from Loma Linda University School of Medicine in 1999, 27 years ago. Accepts Medicare assignment. Licensed in Washington.

Years since qualifying
27
Trained at
Loma Linda University School of Medicine
Licensed in
WA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2131 Hospital Dr
Sedro Woolley, WA 98284-4301
Phone: (360) 416-6735
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence MD00041762 (WA)

Record details

NPI number1881631273
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 2, 2006
Last updated in NPPESApril 17, 2022
Certification dateApril 17, 2022
Mailing address2131 Hospital Dr, Sedro Woolley, WA 98284-4301

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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