DAN SIAPCO (M.D.) – Ophthalmology Physician, NPI 1881631273
Ophthalmology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
467 OPHTHALMOLOGY in WA
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Provider Addresses for DAN SIAPCO (M.D.)
Cascadia Eye, 2131, Hospital Drive, Sedro-Woolley, Skagit County, Washington, 98284, United States
SEDRO WOOLLEY, WA 982844301
Phone: (360) 416-6735
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $128.
Total Amount is formed as General ($128) + Research ($0) + Ownership ($0) = $128.
Last reported payment date: 2024-02-13 • Largest payer in this snapshot: Rayner Intraocular Lenses Limited ($40).
Total Amount
$128
General + Research + Ownership
Payments
4
Total payment records
General Amount
$128
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-13
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2022-06-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20111025000793 | I | Ophthalmology | WA | TBD |
| I20220614000892 | I | Ophthalmology | HI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 660 | 657 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 442 | 290 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 421 | 260 | $0 |
| 92136 | Measurement of corneal curvature and depth of eye | 346 | 228 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 335 | 312 | $0 |
Insurance plans in this area (ZIP 98284)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | WA | |
| O P T O M E T R Y | WA | |
| O P H T H A L M O L O G Y | WA | |
| O P H T H A L M O L O G Y | WA | |
| O P T O M E T R Y | WA | |
| O P H T H A L M O L O G Y | WA | |
| O P T O M E T R Y | WA | |
| O P T O M E T R Y | WA | |
| - | WA | |
| O P T O M E T R Y | CA |
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