Doctor profile · Federal record
Dr. Cassandra Gryczewski, ACAGNP
Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Acute Care Nurse Practitioner · Wethersfield, CT
- NPI 1851796551
- Accepts Medicare
- 12 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1260 Silas Deane Hwy
Wethersfield, CT 06109
(860) 258-2375
fax (860) 571-6805 - Mailing address
-
2110 Silas Deane Hwy
Rocky Hill, CT 060672313
Credentials & registration
- NPI registered
- October 2014 — 12 yrs on file
- Profile last updated
- May 21, 2018
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 363LA2200X — NUCC code
- State license (1)
- Connecticut #005962
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851796551. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
93
Distinct HCPCS
3
Medicare allowed
$9,119
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 37 | 35 | $156 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 33 | 23 | $71 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 23 | 17 | $45 |
In context: peer comparison
Among 4 peers in Wethersfield Adult Health Nurse Practitioner, average services per provider: 586. This provider delivers 0.2× the peer median.Open Payments
Industry payments received
All-time total
$122
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Myriad Genetic Laboratories, INC. | 1 | $89.38 | |
| GlaxoSmithKline, LLC. | 1 | $32.86 |
By nature of payment
Frequently asked questions
What is Dr. Cassandra Gryczewski's medical specialty?
Dr. Cassandra Gryczewski practices Adult Health Nurse Practitioner in Wethersfield, CT.
Where does Dr. Cassandra Gryczewski practice?
Dr. Cassandra Gryczewski practices at 1260 Silas Deane Hwy, Wethersfield, CT 06109. Office phone: 8602582375.
What is Dr. Cassandra Gryczewski's NPI?
Dr. Cassandra Gryczewski's National Provider Identifier (NPI) is 1851796551, issued by NPPES.
Does Dr. Cassandra Gryczewski accept Medicare assignment?
Yes. Dr. Cassandra Gryczewski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cassandra Gryczewski commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.