GARY DEAN SLADEK (MD) – Rheumatology Physician, NPI 1225013717
Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
449 RHEUMATOLOGY in FL
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Provider Addresses for GARY DEAN SLADEK (MD)
Florida Hospital Cancer Institute, 2501, North Orange Avenue, Orlando, Orange County, Florida, 32804, United States
538
ORLANDO, FL 328044603
Phone: (407) 894-8696
Fax: (407) 894-4196
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 2 Open Payments records for all available years, with a total value of $139.
Total Amount is formed as General ($139) + Research ($0) + Ownership ($0) = $139.
Last reported payment date: 2024-08-05 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($123).
Total Amount
$139
General + Research + Ownership
Payments
2
Total payment records
General Amount
$139
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $123 |
| Amgen Inc. | $16 |
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: 2010-08-16
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 |
|---|---|---|---|---|
| I20100816000788 | I | Rheumatology | FL | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 264 | 134 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 107 | 77 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $0 |
Insurance plans in this area (ZIP 32804)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RHEUMATOLOGY | FL | 20610 | Aspiration and/or injection of large joint or joint capsule | 148 | 52 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y | PA | |
| Nurse Practitioner | FL | |
| Physician Assistant | PA | |
| Physician Assistant | FL | |
| - | FL | |
| N E U R O S U R G E R Y | FL | |
| G A S T R O E N T E R O L O G Y | FL | |
| - | FL | |
| - | FL | |
| Cardiovascular Disease (Cardiology) | VA |
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