DR. MARION A. TRYBULA (M.D.) – Hematology & Oncology Physician, NPI 1396722328
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. MARION A. TRYBULA (M.D.)
East 89th Avenue, Merrillville, Lake County, Indiana, 46307, United States
SUITE 2A
MERRILLVILLE, IN 464107319
Phone: (219) 736-2800
Fax: (219) 736-6680
Mailing address matches the actual address.
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 $97.
Total Amount is formed as General ($97) + Research ($0) + Ownership ($0) = $97.
Last reported payment date: 2023-07-21 • Largest payer in this snapshot: ABBVIE INC. ($97).
Total Amount
$97
General + Research + Ownership
Payments
4
Total payment records
General Amount
$97
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-07-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $97 |
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: 2010-07-21
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 |
|---|---|---|---|---|
| I20100721000765 | I | Hematology/Oncology | IN | 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 46410)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| HEMATOLOGY/ONCOLOGY | IN | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 164 | 15 |
| HEMATOLOGY/ONCOLOGY | IN | 96375 | Injection of different drug or substance into a vein for therapy, diagnosis, or prevention | 102 | 13 |
| HEMATOLOGY/ONCOLOGY | IN | 96415 | Infusion of chemotherapy into a vein | 147 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Hematology/Oncology, Internal Medicine | IN | |
| Hematology/Oncology, Internal Medicine | IN | |
| H E M A T O L O G Y/ O N C O L O G Y | IL | |
| Hematology/Oncology, Internal Medicine | IN | |
| Medical Oncology, Internal Medicine | TX |
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