DR. MICHAEL GREGG (M.D.) – Surgical Critical Care Physician, NPI 1083093595
Surgical Critical Care Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,163 GENERAL SURGERY in FL
Provider Addresses for DR. MICHAEL GREGG (M.D.)
2501 NORTH ORANGE AVENUE, SUITE 235
ORLANDO, FL 32804
Phone: (407) 303-7203
Fax: (407) 303-2469
Type: Mailing
2415 NORTH ORANGE AVENUE, SUITE 400
ORLANDO, FL 32804
Phone: (407) 303-7399
Fax: (407) 303-7308
Type: Location
2501 N ORANGE AVE STE 401
ORLANDO, FL 328044644
Phone: (407) 303-7283
Fax: (407) 303-0475
Type: Mailing
601 E ROLLINS ST
ORLANDO, FL 328031248
Phone: (407) 303-7283
Fax: (407) 303-0347
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 21 Open Payments records for all available years, with a total value of $8,797.
Total Amount is formed as General ($8,797) + Research ($0) + Ownership ($0) = $8,797.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($8,774).
Total Amount
$8,797
General + Research + Ownership
Payments
21
Total payment records
General Amount
$8,797
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $8,774 |
| Guard Medical Inc. | $23 |
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: 2021-10-06
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 |
|---|---|---|---|---|
| I20211006001423 | I | General Surgery | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 87 | 35 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 71 | 42 | $0 |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 48 | 48 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 46 | 35 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 32 | 28 | $0 |
Insurance plans in this area (ZIP 32804)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | FL | |
| N E U R O L O G Y | FL | |
| Cardiovascular Disease (Cardiology), Internal Medicine, Interventional Cardiology | FL | |
| Nurse Practitioner | FL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | FL | |
| General Surgery | FL | |
| Pulmonary Disease, Critical Care (Intensivists) | FL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MI | |
| Physician Assistant | FL | |
| Physician Assistant | FL |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.