MS. BRENDA J WITTMAN (M.D.) – Pediatric Hematology & Oncology Physician, NPI 1255407854
Pediatric Hematology & Oncology Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MS. BRENDA J WITTMAN (M.D.)
4105, Southwest 91st Avenue, West Slope, Portland, Metro, Washington County, Oregon, 97225, United States
PORTLAND, OR 972084105
Phone: (866) 907-1068
Fax: (425) 917-9141
Type: Mailing
3340, Providence Drive, Anchorage, Alaska, 99508, United States
SUITE A351
ANCHORAGE, AK 995084691
Phone: (907) 212-4824
Type: Location
3841 PIPER STREET
SUITE T4-020
ANCHORAGE, AK 99508
Phone: (907) 929-7337
Fax: (907) 929-7330
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 $80.
Total Amount is formed as General ($80) + Research ($0) + Ownership ($0) = $80.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: Alexion Pharmaceuticals, Inc. ($22).
Total Amount
$80
General + Research + Ownership
Payments
4
Total payment records
General Amount
$80
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2020-03-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20140613001436 | I | Hematology/Oncology | AK | TBD |
| I20200325002228 | I | Hematology/Oncology | TX | 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 97208)
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Reviews
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