THOMAS E GRIBBIN (M.D.) – Hematology & Oncology Physician, NPI 1639179286
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
476 HEMATOLOGY/ONCOLOGY in MI
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Provider Addresses for THOMAS E GRIBBIN (M.D.)
5800 FOREMOST DR SE STE 300
GRAND RAPIDS, MI 495467062
Phone: (616) 954-9800
Type: Mailing
3100, Michigan Street Northeast, Grand Rapids, Kent County, Michigan, 49506, United States
GRAND RAPIDS, MI 495032563
Phone: (616) 954-9800
Fax: (616) 954-2116
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 24 Open Payments records for all available years, with a total value of $494.
Total Amount is formed as General ($494) + Research ($0) + Ownership ($0) = $494.
Last reported payment date: 2024-11-25 • Largest payer in this snapshot: Gilead Sciences, Inc. ($101).
Total Amount
$494
General + Research + Ownership
Payments
24
Total payment records
General Amount
$494
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-25
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2006-02-14
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 |
|---|---|---|---|---|
| I20060214000055 | I | Hematology/Oncology | MI | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 978 | 23 | $0 |
| J2469 | Injection, palonosetron hcl, 25 mcg | 490 | 14 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 254 | 162 | $0 |
| 96413 | Administration of chemotherapy into vein, 1 hour or less | 213 | 49 | $0 |
| 96375 | Injection of additional new drug or substance into vein | 184 | 29 | $0 |
Insurance plans in this area (ZIP 49546)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MI | |
| Medical Oncology | MI | |
| Nurse Practitioner | MI | |
| Hematology/Oncology, Internal Medicine | MI | |
| Physician Assistant | MI | |
| - | MI | |
| - | MI | |
| - | MI | |
| - | MI | |
| Physician Assistant | MI |
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