Doctor profile · Federal record
Dr. Agnieszka Grochowalska, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Trumbull, CT
- NPI 1144496209
- Accepts Medicare
- MIPS 90.8 / 100 · 2023
- 20 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
112 Quarry RD, Suite 250
Trumbull, CT 066114848
(203) 371-7048
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- April 22, 2014
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Connecticut #050146
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144496209. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
7,709
Distinct HCPCS
7
Medicare allowed
$220,544
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 6,960 | 66 | $23 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 300 | 240 | $97 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 174 | 113 | $136 | |
96372 |
Injection of drug or substance under skin or into muscle | 119 | 68 | $15 | |
82962 |
Blood glucose (sugar) test performed by hand-held instrument | 90 | 52 | $3 | |
83036 |
Hemoglobin a1c level | 47 | 33 | $10 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 19 | 19 | $178 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 632. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$491
Transactions
18
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 1 | $125.00 | |
| Novo Nordisk Inc | 5 | $101.58 | |
| ABBVIE INC. | 4 | $72.15 | |
| SANOFI-AVENTIS U.S. LLC | 2 | $57.98 | |
| Medtronic, Inc. | 2 | $45.41 | |
| Lilly USA, LLC | 1 | $26.43 | |
| IBSA Pharma Inc. | 1 | $23.57 | |
| Amneal Pharmaceuticals LLC | 1 | $19.78 | |
| Insulet Corporation | 1 | $18.61 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,602
Patients
512
Total drug cost
$554,937
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 347 | 110 | $5,331 |
| Alendronate Sodium | Generic | 215 | 72 | $2,515 |
| Synthroid (Levothyroxine Sodium) | Brand | 176 | 48 | $19,084 |
| Ozempic (Semaglutide) | Brand | 149 | 40 | $270,375 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 108 | 41 | $1,368 |
| Unithroid (Levothyroxine Sodium) | Brand | 99 | 35 | $2,225 |
| Jardiance (Empagliflozin) | Brand | 86 | 20 | $88,518 |
| Methimazole | Generic | 78 | 31 | $1,116 |
| Metformin Hcl | Generic | 66 | 26 | $917 |
| Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 54 | 18 | $6,192 |
Frequently asked questions
What is Dr. Agnieszka Grochowalska's medical specialty?
Dr. Agnieszka Grochowalska practices Endocrinology, Diabetes & Metabolism Physician in Trumbull, CT.
Where does Dr. Agnieszka Grochowalska practice?
Dr. Agnieszka Grochowalska practices at 112 Quarry RD, Trumbull, CT 066114848. Office phone: 2033717048.
What is Dr. Agnieszka Grochowalska's NPI?
Dr. Agnieszka Grochowalska's National Provider Identifier (NPI) is 1144496209, issued by NPPES.
Does Dr. Agnieszka Grochowalska accept Medicare assignment?
Yes. Dr. Agnieszka Grochowalska accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Agnieszka Grochowalska commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.