RYAN CHAN (PA) – Surgical Physician Assistant, NPI 1669133641
Surgical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,570 PHYSICIAN ASSISTANT in CA
Provider Addresses for RYAN CHAN (PA)
23726 DEL CERRO CIR
WEST HILLS, CA 913045337
Phone:
Type: Mailing
PO BOX 741515
LOS ANGELES, CA 900741515
Phone: (206) 223-6374
Type: Mailing
1100 9TH AVE
SEATTLE, WA 981012756
Phone: (206) 223-6374
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 18 Open Payments records for all available years, with a total value of $675.
Total Amount is formed as General ($675) + Research ($0) + Ownership ($0) = $675.
Last reported payment date: 2024-05-21 • Largest payer in this snapshot: GENZYME CORPORATION ($191).
Total Amount
$675
General + Research + Ownership
Payments
18
Total payment records
General Amount
$675
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $191 |
| Innovation Technologies Inc | $146 |
| Edwards Lifesciences Corporation | $127 |
| GlaxoSmithKline, LLC. | $115 |
| Optinose US, Inc. | $80 |
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: 2024-01-12
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20240112001412 | I | Physician Assistant | WA | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 91304)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | UT | |
| Internal Medicine, Critical Care (Intensivists) | WA | |
| Internal Medicine, Gastroenterology | WA | |
| - | WA | |
| - | WA | |
| - | WA | |
| Internal Medicine | WA | |
| Internal Medicine | WA | |
| - | WA | |
| - | WA |
Reviews
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