MICHAEL JAMES CHEN – Orthopaedic Surgery Physician, NPI 1629431853
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
780 ORTHOPEDIC SURGERY in WA
Provider Addresses for MICHAEL JAMES CHEN
325 9TH AVE
SEATTLE, WA 981042420
Phone: (206) 520-5000
Type: Location
1730 N NORTHLAKE WAY APT 313
SEATTLE, WA 981032911
Phone: (425) 213-3249
Type: Mailing
3382 WAIALAE AVE
HONOLULU, HI 968162637
Phone: (808) 548-7033
Type: Mailing
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 $372.
Total Amount is formed as General ($372) + Research ($0) + Ownership ($0) = $372.
Last reported payment date: 2024-09-25 • Largest payer in this snapshot: SI-BONE, INC. ($159).
Total Amount
$372
General + Research + Ownership
Payments
4
Total payment records
General Amount
$372
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| SI-BONE, INC. | $159 |
| DePuy Synthes Sales Inc. | $108 |
| Stryker Corporation | $86 |
| Solventum Corporation | $19 |
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: 2022-04-19
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 |
|---|---|---|---|---|
| I20220419002933 | I | Orthopedic Surgery | 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 |
|---|---|---|---|---|
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 66 | 64 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 62 | 43 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 42 | 42 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 26 | 23 | $0 |
| 73030 | X-ray of shoulder, minimum of 2 views | 19 | 11 | $0 |
Insurance plans in this area (ZIP 98104)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | HI | |
| Orthopedic Surgery | NJ | |
| Orthopedic Surgery, Sports Medicine | HI | |
| Orthopedic Surgery | HI | |
| Sports Medicine | CA | |
| Orthopedic Surgery | HI | |
| Hand Surgery, Orthopedic Surgery | CA | |
| Orthopedic Surgery | HI | |
| Sports Medicine, Orthopedic Surgery | HI | |
| Sports Medicine | HI |
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