CASSANDRA Y GRYCZEWSKI (ACAGNP) – Adult Health Nurse Practitioner, NPI 1851796551
Adult Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,196 NURSE PRACTITIONER in CT
Provider Addresses for CASSANDRA Y GRYCZEWSKI (ACAGNP)
2110 SILAS DEANE HWY
ROCKY HILL, CT 060672313
Phone: (860) 258-3470
Type: Mailing
1260 SILAS DEANE HWY
WETHERSFIELD, CT 06109
Phone: (860) 258-2375
Fax: (860) 571-6805
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $432.
Total Amount is formed as General ($432) + Research ($0) + Ownership ($0) = $432.
Last reported payment date: 2024-12-04 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($131).
Total Amount
$432
General + Research + Ownership
Payments
12
Total payment records
General Amount
$432
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-04
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: 2015-03-31
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 |
|---|---|---|---|---|
| I20150331001887 | I | Nurse Practitioner | CT | 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 |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 37 | 35 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 33 | 23 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 23 | 17 | $0 |
Insurance plans in this area (ZIP 06067)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CT | |
| Diagnostic Radiology | RI | |
| Pulmonary Disease, Critical Care (Intensivists) | CT | |
| Interventional Radiology, Diagnostic Radiology | CT | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CT | |
| Diagnostic Radiology | MN | |
| Diagnostic Radiology | MA | |
| - | CT | |
| Diagnostic Radiology | MA | |
| Diagnostic Radiology | CT |
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