Internal Medicine, Endocrinology, Diabetes, & Metabolism · Norwich, CT
NPI
1255428132
Since 2006
Specialty
Internal Medicine, Endocrinology, Diabetes, & Metabolism
Code 207RE0101X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
119 Sachem St.
Norwich, CT, 06360
Phone (860) 859-3006
Groups this clinician bills Medicare through
Medicare paid, 2024
$82K
1,492 services
Medicare patients, 2024
374
Average age 73
Drug cost, 2024
$2.3M
4,513 prescriptions
Company payments, 2025
$887
From 14 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Constantin Carseli was code 99213 (office e&m - established), 620 times for 323 patients. In total Constantin Carseli billed 1,492 services in 12 codes, and Medicare paid $82K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2019-06-03.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 620 | 323 | $64.08 | $40K |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 503 | 263 | $13.15 | $6,612 |
| 99214 Office E&M - Established | Office | 139 | 87 | $95.82 | $13K |
| 76536 Ultrasound - Nonspecific | Office | 106 | 101 | $82.93 | $8,791 |
| 99205 Office E&M - New | Office | 30 | 30 | $161.63 | $4,849 |
| 10005 Other Organ Systems | Office | 28 | 22 | $111.90 | $3,133 |
| 99204 Office E&M - New | Office | 28 | 28 | $122.87 | $3,440 |
By year: 2022 $89K for 1,063 services; 2023 $83K for 1,064 services; 2024 $82K for 1,492 services.
Medicare prescription drug claims, 2024
In 2024, the drug Constantin Carseli prescribed most often to Medicare patients was Synthroid (Levothyroxine Sodium), with 481 prescriptions and refills. In total Constantin Carseli wrote 4,513 Medicare prescriptions that cost $2.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Synthroid Levothyroxine Sodium | 481 | 1,251 | 115 | $55K |
| Levothyroxine Sodium Generic | 479 | 1,341 | 139 | $4,862 |
| Lantus Solostar Insulin Glargine,hum.Rec.Anlog | 248 | 525 | 65 | $49K |
| Metformin Hcl Generic | 222 | 593 | 60 | $1,887 |
| Januvia Sitagliptin Phosphate | 166 | 437 | 48 | $242K |
| Jardiance Empagliflozin | 159 | 395 | 42 | $228K |
| Tresiba Flextouch U-200 Insulin Degludec | 149 | 285 | 31 | $257K |
| Toujeo Max Solostar Insulin Glargine,hum.Rec.Anlog | 148 | 333 | 42 | $284K |
| Nano 2nd Gen Pen Needle Pen Needle, Diabetic | 143 | 433 | 60 | $13K |
| Pioglitazone Hcl Generic | 139 | 381 | 38 | $1,577 |
| Metformin Hcl Er Metformin Hcl | 134 | 338 | 35 | $1,352 |
| Mounjaro Tirzepatide | 127 | 161 | 20 | $175K |
| Risedronate Sodium Generic | 123 | 342 | 39 | $14K |
| Ozempic Semaglutide | 116 | 215 | 25 | $208K |
| Tradjenta Linagliptin | 110 | 220 | 23 | $109K |
Brand drugs: 2,563 claims; generic drugs: 1,616 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Constantin Carseli $887 ($887 in general payments such as food, travel and fees) from 14 companies. The largest payer was Amgen Inc. with $164.
| Company | Payments | Amount |
|---|---|---|
| Amgen Inc. AMGN | 4 | $164 |
| Saluda Medical Americas, Inc. | 1 | $152 |
| Lilly USA, LLC LLY | 9 | $149 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 5 | $96.26 |
| Ascendis Pharma Endocrinology Inc ASND | 3 | $64.51 |
| Recordati_rare_diseases_inc. | 2 | $45.29 |
| Amneal Pharmaceuticals LLC AMRX | 2 | $38.33 |
| Novo Nordisk Inc NVO | 2 | $31.18 |
| Madrigal Pharmaceuticals MDGL | 1 | $28.38 |
| Medtronic, Inc. MDT | 1 | $27.49 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.