Doctor profile · Federal record
Dr. Marzena Gryczewski, APRN
Family Nurse Practitioner · Nurse Practitioner · Newington, CT
- NPI 1548500663
- MIPS 77.5 / 100 · 2023
- 13 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
555 Willard Ave # 506
Newington, CT 061112631
(860) 256-1553
fax (860) 667-6799
Credentials & registration
- NPI registered
- February 2013 — 13 yrs on file
- Profile last updated
- April 7, 2023
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Connecticut #004919
- Medicaid
- CT #004049193
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548500663. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
13
Distinct HCPCS
1
Medicare allowed
$2,483
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 13 | 11 | $191 |
In context: peer comparison
Among 4 peers in Newington Family Nurse Practitioner, average services per provider: 33. This provider delivers 0.4× the peer median.Open Payments
Industry payments received
All-time total
$332
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) | 1 | $124.99 | |
| Otsuka America Pharmaceutical, INC. | 1 | $111.92 | |
| Abbvie INC. | 1 | $95.51 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
134
Patients
0
Total drug cost
$12,017
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sertraline Hcl | Generic | 26 | 0 | $206 |
| Levothyroxine Sodium | Generic | 17 | 0 | $98 |
| Trazodone Hcl | Generic | 15 | 0 | $74 |
| Amlodipine Besylate | Generic | 13 | 0 | $120 |
| Atorvastatin Calcium | Generic | 13 | 0 | $120 |
| Chlorthalidone | Generic | 13 | 0 | $97 |
| Gabapentin | Generic | 13 | 0 | $62 |
| Latanoprost | Generic | 13 | 0 | $120 |
| Ozempic (Semaglutide) | Brand | 11 | 0 | $11,120 |
Frequently asked questions
What is Dr. Marzena Gryczewski's medical specialty?
Dr. Marzena Gryczewski practices Family Nurse Practitioner in Newington, CT.
Where does Dr. Marzena Gryczewski practice?
Dr. Marzena Gryczewski practices at 555 Willard Ave # 506, Newington, CT 061112631. Office phone: 8602561553.
What is Dr. Marzena Gryczewski's NPI?
Dr. Marzena Gryczewski's National Provider Identifier (NPI) is 1548500663, issued by NPPES.
What procedures does Dr. Marzena Gryczewski commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.