JAMES S. CHEN (M.D.) – Diagnostic Radiology Physician, NPI 1659370328
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Loading map...
Provider Addresses for JAMES S. CHEN (M.D.)
PO BOX 26730
FEDERAL WAY, WA 980933730
Phone: (253) 661-1700
Fax: (253) 661-4565
Type: Mailing
Jex Chiropractic & Massage, 533, South 336th Street, Federal Way, King County, Washington, 98003-5402, United States
STE C
FEDERAL WAY, WA 980036329
Phone: (253) 661-1700
Fax: (253) 661-4565
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $401.
Total Amount is formed as General ($401) + Research ($0) + Ownership ($0) = $401.
Last reported payment date: 2024-07-11 • Largest payer in this snapshot: Zimmer Biomet Holdings, Inc. ($401).
Total Amount
$401
General + Research + Ownership
Payments
2
Total payment records
General Amount
$401
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Zimmer Biomet Holdings, Inc. | $401 |
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: 2005-07-20
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 |
|---|---|---|---|---|
| I20050720000066 | I | Diagnostic Radiology | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 76770 | Complete ultrasound scan behind abdominal cavity | 45 | 45 | $0 |
| 76536 | Ultrasound scan of head and neck soft tissue | 34 | 34 | $0 |
| 76705 | Limited ultrasound scan of abdomen | 33 | 32 | $0 |
| 71260 | Ct scan of chest with contrast | 28 | 28 | $0 |
| 74183 | Mri scan of abdomen before and after contrast | 28 | 28 | $0 |
Insurance plans in this area (ZIP 98093)
Loading plans...
Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WA | |
| - | WA | |
| - | WA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.