MARISSA DEFREESE (MD) – Surgical Critical Care Physician, NPI 1194963462
Surgical Critical Care Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
525 GENERAL SURGERY in CT
Provider Addresses for MARISSA DEFREESE (MD)
29 HOSPITAL PLAZA
6TH FLOOR
STAMFORD, CT 069022419
Phone: (203) 276-5959
Fax: (203) 276-5969
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $377.
Total Amount is formed as General ($377) + Research ($0) + Ownership ($0) = $377.
Last reported payment date: 2024-09-12 • Largest payer in this snapshot: Avita Medical Americas, Llc ($137).
Total Amount
$377
General + Research + Ownership
Payments
4
Total payment records
General Amount
$377
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-12
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: 2018-08-30
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 |
|---|---|---|---|---|
| I20180830003141 | I | General Surgery | CA | 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 | 90 | 59 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 44 | 39 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 13 | 12 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 12 | 12 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 06902)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Critical Care (Intensivists), Pulmonary Disease, Internal Medicine | CA | |
| Internal Medicine | CA | |
| Critical Care (Intensivists), Pulmonary Disease | IL | |
| General Surgery | IL | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine | CA | |
| General Surgery | CA | |
| Critical Care (Intensivists), Pulmonary Disease | CA | |
| Internal Medicine | CA | |
| A N E S T H E S I O L O G Y | CA | |
| General Surgery, Critical Care (Intensivists) | CA |
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.