JUDITH D. NIELSEN (M.D.) – Internal Medicine Physician, NPI 1093871634
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for JUDITH D. NIELSEN (M.D.)
PO BOX 34584
SEATTLE, WA 981241584
Phone: (253) 596-3380
Type: Mailing
31833, Gateway Center Boulevard South, Gateway Center, Federal Way, King County, Washington, 98003, United States
FEDERAL WAY, WA 980035616
Phone: (253) 214-1920
Type: Location
601 S Carr Rd Ste 100
Renton, WA 980555802
Phone: (425) 227-3700
Fax: (425) 227-3116
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2008-02-12
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 |
|---|---|---|---|---|
| I20080212000614 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 40 | 37 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 15 | 14 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 12 | 12 | $0 |
Insurance plans in this area (ZIP 98124)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | WA | |
| U R O L O G Y | WA | |
| Internal Medicine | MA | |
| U R O L O G Y | WA | |
| - | WA | |
| - | WA | |
| Family Practice | WA | |
| - | WA | |
| - | WA | |
| - | WA |
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