NATALIE SUSAN BEZLER (M.D.) – Pediatric Hematology & Oncology Physician, NPI 1083814255
Pediatric Hematology & Oncology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for NATALIE SUSAN BEZLER (M.D.)
450 Brookline Ave
Dana-Farber Cancer Institute - Dana 3
Boston, MA 022155418
Phone: (617) 632-3000
Fax: (617) 632-4410
Type: Location
282 WASHINGTON ST
HARTFORD, CT 061063322
Phone: (860) 545-9630
Fax: (860) 545-9622
Type: Mailing
Dana-Farber Cancer Institute, 450, Brookline Avenue, Boston, Suffolk County, Massachusetts, 02215, United States
DANA-FARBER CANCER INSTITUTE - DANA 3
BOSTON, MA 022155418
Phone: (617) 632-3000
Fax: (617) 632-4410
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $13,787.
Total Amount is formed as General ($13,787) + Research ($0) + Ownership ($0) = $13,787.
Last reported payment date: 2024-04-16 • Largest payer in this snapshot: SERVIER PHARMACEUTICALS LLC ($13,733).
Total Amount
$13,787
General + Research + Ownership
Payments
11
Total payment records
General Amount
$13,787
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| SERVIER PHARMACEUTICALS LLC | $13,733 |
| Octapharma USA, Inc. | $55 |
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: 2014-03-04
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 |
|---|---|---|---|---|
| I20140304001440 | I | Hematology/Oncology | CT | 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 02215)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pediatric Medicine | NY | |
| - | CT | |
| Nurse Practitioner | CT | |
| - | CT | |
| Pediatric Medicine | CT | |
| Physician Assistant | CT | |
| - | MA | |
| - | CT | |
| - | MA | |
| - | CT |
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