DR. MICHAEL C WISMER (MD) – Hematology & Oncology Physician, NPI 1265960702
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,722 INTERNAL MEDICINE in MA
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Provider Addresses for DR. MICHAEL C WISMER (MD)
Tufts Medical Center, 800, Washington Street, Chinatown, Financial District, Boston, Suffolk County, Massachusetts, 02111, United States
BOSTON, MA 021111552
Phone: (617) 636-5000
Type: Mailing
1034 GROVE ST
MEADVILLE, PA 163352945
Phone: (814) 333-5000
Type: Mailing
16792 CONNEAUT LAKE RD
MEADVILLE, PA 163353748
Phone: (814) 373-2335
Fax: (814) 373-2338
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 17 Open Payments records for all available years, with a total value of $351.
Total Amount is formed as General ($351) + Research ($0) + Ownership ($0) = $351.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Genentech USA, Inc. ($54).
Total Amount
$351
General + Research + Ownership
Payments
17
Total payment records
General Amount
$351
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Genentech USA, Inc. | $54 |
| Daiichi Sankyo Inc. | $44 |
| ARRAY BIOPHARMA INC | $41 |
| Merck Sharp & Dohme LLC | $33 |
| GENZYME CORPORATION | $33 |
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: 2023-11-29
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 |
|---|---|---|---|---|
| I20231129003230 | I | Internal Medicine | PA | 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 02111)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Psychologist | PA | |
| Clinical Psychologist | PA | |
| Nurse Practitioner | PA | |
| D E R M A T O L O G Y | PA | |
| Diagnostic Radiology | PA | |
| Medical Oncology, Hematology, Internal Medicine | PA | |
| H E M A T O L O G Y | PA | |
| Nurse Practitioner | PA | |
| Clinical Social Worker | PA | |
| Hospitalist, Internal Medicine | NY |
Reviews
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