NICHOLAS WILLIAM MCALISTER (D.O.) – Emergency Medicine Physician, NPI 1073963443
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,232 EMERGENCY MEDICINE in FL
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Provider Addresses for NICHOLAS WILLIAM MCALISTER (D.O.)
Panoramic Circle, Apopka, Orange County, Florida, 32704, United States
APOPKA, FL 327039260
Phone: (864) 341-4914
Type: Mailing
1000 WATERMAN WAY
TAVARES, FL 327785266
Phone: (352) 253-3336
Type: Mailing
Florida Hospital Waterman, 1000, Waterman Way, Tavares, Lake County, Florida, 34778, United States
TAVARES, FL 327785266
Phone: (352) 253-3765
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $797.
Total Amount is formed as General ($797) + Research ($0) + Ownership ($0) = $797.
Last reported payment date: 2024-11-13 • Largest payer in this snapshot: Inari Medical, Inc. ($268).
Total Amount
$797
General + Research + Ownership
Payments
8
Total payment records
General Amount
$797
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inari Medical, Inc. | $268 |
| ABBVIE INC. | $180 |
| Janssen Pharmaceuticals, Inc | $119 |
| AstraZeneca Pharmaceuticals LP | $118 |
| CSL Behring | $112 |
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: 2025-01-23
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 |
|---|---|---|---|---|
| I20200811000737 | I | Emergency Medicine | FL | TBD |
| I20250123003131 | I | Emergency Medicine | NC | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 238 | 232 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 125 | 121 | $0 |
| 99291 | Critical care, first 30-74 minutes | 102 | 102 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 94 | 92 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 34 | 34 | $0 |
Insurance plans in this area (ZIP 32703)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NC | |
| - | VA | |
| Emergency Medicine | VA | |
| Nurse Practitioner | GA | |
| Emergency Medicine | NC | |
| - | TN | |
| Emergency Medicine | NC | |
| Physician Assistant | GA | |
| Internal Medicine | VA | |
| Nurse Practitioner | VA |
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