SAMUEL ROSNER (M.D.) – Medical Oncology Physician, NPI 1114450871
Medical Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,262 INTERNAL MEDICINE in MD
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Provider Addresses for SAMUEL ROSNER (M.D.)
22 S GREENE ST FL 1
BALTIMORE, MD 212011590
Phone: (410) 328-2575
Type: Mailing
301 Building, 301, Mason Lord Drive, Bayview, Baltimore, Maryland, 21224, United States
1ST FLOOR
BALTIMORE, MD 212243057
Phone: (410) 550-3350
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 25 Open Payments records for all available years, with a total value of $13,975.
Total Amount is formed as General ($13,975) + Research ($0) + Ownership ($0) = $13,975.
Last reported payment date: 2024-11-27 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($7,578).
Total Amount
$13,975
General + Research + Ownership
Payments
25
Total payment records
General Amount
$13,975
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $7,578 |
| Regeneron Pharmaceuticals, Inc. | $5,174 |
| Merck Sharp & Dohme LLC | $1,000 |
| AstraZeneca UK Limited | $134 |
| Galvanize Therapeutics, Inc | $88 |
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: 2023-12-05
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20231205002444 | I | Internal Medicine | MD | 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 21201)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hematology/Oncology, Internal Medicine | NY | |
| Nurse Practitioner | MD | |
| Nurse Practitioner | MD | |
| Nurse Practitioner | MD | |
| Nurse Practitioner | MD | |
| Hematopoietic Cell Transplantation And Cellular Therapy, Hematology/Oncology, Internal Medicine | MD | |
| Nurse Practitioner | MD | |
| Nurse Practitioner | MD | |
| Nurse Practitioner | MD | |
| - | MD |
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