DR. REX B MOWAT (MD) – Hematology & Oncology Physician, NPI 1346247251
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
599 HEMATOLOGY/ONCOLOGY in OH
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Provider Addresses for DR. REX B MOWAT (MD)
4235, Secor Road, Deaveaux, Toledo, Lucas County, Ohio, 43623, United States
TOLEDO, OH 436234231
Phone: (419) 479-5605
Type: Location
1325 Conference Dr
Toledo, OH 436148009
Phone: (419) 383-4541
Fax: (419) 383-3040
Type: Location
3000 ARLINGTON AVE STOP 1108
TOLEDO, OH 436142595
Phone: (419) 383-5322
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 94 Open Payments records for all available years, with a total value of $23,116.
Total Amount is formed as General ($23,116) + Research ($0) + Ownership ($0) = $23,116.
Last reported payment date: 2024-12-27 • Largest payer in this snapshot: Daiichi Sankyo Inc. ($21,264).
Total Amount
$23,116
General + Research + Ownership
Payments
94
Total payment records
General Amount
$23,116
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
1
Ownership records
Last Payment Date
2024-12-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Daiichi Sankyo Inc. | $21,264 |
| Cornerstone Specialty Network LLC | $400 |
| Tempus AI, Inc | $140 |
| Genmab U.S., Inc. | $118 |
| GENZYME CORPORATION | $75 |
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: 2012-02-02
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 |
|---|---|---|---|---|
| I20060105000500 | I | Hematology/Oncology | OH | TBD |
| I20120202000085 | 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 |
|---|---|---|---|---|
| J1439 | Injection, ferric carboxymaltose, 1 mg | 28,500 | 23 | $0 |
| J0897 | Injection, denosumab, 1 mg | 3,180 | 20 | $0 |
| J0885 | Injection, epoetin alfa, (for non-esrd use), 1000 units | 2,420 | 17 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 727 | 30 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 523 | 350 | $0 |
Insurance plans in this area (ZIP 43623)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| U R O L O G Y | OH | |
| U R O L O G Y | OH | |
| Pulmonary Disease, Critical Care (Intensivists) | OH | |
| H E M A T O L O G Y/ O N C O L O G Y | OH | |
| G A S T R O E N T E R O L O G Y | OH | |
| O B S T E T R I C S/ G Y N E C O L O G Y | OH | |
| Nurse Practitioner | OH | |
| Physician Assistant | OH | |
| Nurse Practitioner | OH | |
| Orthopedic Surgery | OH |
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