NICHOLAS B NELSON (MD) – Internal Medicine Physician, NPI 1063646255
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
645 HOSPITALIST in OR
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Provider Addresses for NICHOLAS B NELSON (MD)
3158, Southwest 87th Avenue, Portland, Metro, Washington County, Oregon, 97225, United States
PORTLAND, OR 972083158
Phone:
Type: Mailing
Southwest Barnes Road, Sylvan-Highlands, Portland, Metro, Multnomah County, Oregon, 97210, United States
PORTLAND, OR 972256603
Phone: (503) 216-2906
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: 2012-08-28
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 |
|---|---|---|---|---|
| I20120828000659 | I | Hospitalist | OR | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 199 | 97 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 171 | 83 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 58 | 57 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 39 | 39 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 26 | 19 | $0 |
Insurance plans in this area (ZIP 97208)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | MI | |
| Hospitalist, Internal Medicine | OR | |
| Medical Oncology, Hematology | FL | |
| P A T H O L O G Y | OR | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | OH | |
| Pulmonary Disease | OR | |
| - | OR | |
| E N D O C R I N O L O G Y | OR | |
| General Surgery | OR | |
| P A T H O L O G Y | OR |
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