DR. ANTON JUNCAJ (DO) – Hematology & Oncology Physician, NPI 1649831314
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
476 HEMATOLOGY/ONCOLOGY in MI
Provider Addresses for DR. ANTON JUNCAJ (DO)
Genesys Regional Medical Center, 1, Genesys Parkway, Genesee County, Michigan, 48439, United States
GRAND BLANC, MI 484398065
Phone: (810) 606-5000
Type: Mailing
1 Genesys Pkwy
Grand Blanc, MI 484398065
Phone: (810) 606-5000
Type: Location
PO BOX 749495
ATLANTA, GA 303749495
Phone: (855) 963-2100
Fax: (813) 321-1296
Type: Mailing
4700 WATERS AVE STE 201
SAVANNAH, GA 314046220
Phone: (912) 692-2000
Fax: (912) 692-2100
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 61 Open Payments records for all available years, with a total value of $1,225.
Total Amount is formed as General ($1,225) + Research ($0) + Ownership ($0) = $1,225.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($338).
Total Amount
$1,225
General + Research + Ownership
Payments
61
Total payment records
General Amount
$1,225
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
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: 2025-11-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20250805002143 | I | Hematology/Oncology | GA | TBD |
| I20251103001812 | I | Hematology/Oncology | SC | 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 48439)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IN | |
| H E M A T O L O G Y/ O N C O L O G Y | DE | |
| Nurse Practitioner | NC | |
| Nurse Practitioner | FL | |
| P A T H O L O G Y | FL | |
| Nurse Practitioner | KS | |
| - | MO | |
| Nurse Practitioner | MD | |
| - | GA | |
| - | FL |
Reviews
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