ABBY R ROSENBERG – Pediatric Hematology & Oncology Physician, NPI 1194833020
Pediatric Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,245 PEDIATRIC MEDICINE in MA
Provider Addresses for ABBY R ROSENBERG
1900 9TH AVE # JMB9-C
SEATTLE, WA 981011309
Phone:
Type: Mailing
300 Longwood Ave
Boston, MA 021155724
Phone: (617) 355-6000
Type: Location
450 BROOKLINE AVE # JFB7
BOSTON, MA 022155418
Phone:
Type: Mailing
Seattle Children's Hospital, 4800, Sand Point Way Northeast, Laurelhurst, Seattle, King County, Washington, 98105, United States
SEATTLE, WA 981053901
Phone: (206) 987-2106
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $113.
Total Amount is formed as General ($113) + Research ($0) + Ownership ($0) = $113.
Last reported payment date: 2023-10-27 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($113).
Total Amount
$113
General + Research + Ownership
Payments
1
Total payment records
General Amount
$113
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $113 |
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: 2022-12-20
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 |
|---|---|---|---|---|
| I20120731000542 | I | Hematology/Oncology | WA | TBD |
| I20221220001658 | I | Hematology/Oncology | MA | 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 98101)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| Nurse Practitioner | MA | |
| - | MA | |
| - | MA | |
| Critical Care (Intensivists), Pediatric Medicine | MA | |
| Allergy/Immunology, Pediatric Medicine | MA | |
| Hematology/Oncology, Pediatric Medicine | MA | |
| - | MA | |
| G A S T R O E N T E R O L O G Y | MA | |
| - | MA |
Reviews
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