Doctor profile · Federal record
Dr. Constantin Carseli, MD
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Norwich, CT
- NPI 1255428132
- Accepts Medicare
- MIPS 79.0 / 100 · 2023
- 33 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
119 Sachem St.
Norwich, CT 063604128
(860) 859-3006
fax (860) 859-1222
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- June 3, 2019
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Connecticut #040484
- Medicaid
- CT #001404847
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255428132. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,035
Distinct HCPCS
7
Medicare allowed
$112,286
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 689 | 342 | $94 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 142 | 93 | $134 | |
76536 |
Ultrasound scan of head and neck soft tissue | 110 | 105 | $121 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 29 | 29 | $175 | |
10005 |
Fine needle aspiration biopsy using ultrasound guidance, first growth | 28 | 23 | $146 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 19 | 19 | $231 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 18 | 15 | $69 |
In context: peer comparison
Among 1 peers in Norwich Endocrinology, Diabetes & Metabolism Physician, average services per provider: 147. This provider delivers 7.0× the peer median.Open Payments
Industry payments received
All-time total
$494
Transactions
23
Manufacturers
13
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 3 | $83.99 | |
| Amneal Pharmaceuticals LLC | 3 | $61.66 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 3 | $54.58 | |
| Xeris Pharmaceuticals, INC. | 2 | $47.18 | |
| Alexion Pharmaceuticals, INC. | 2 | $44.83 | |
| Lilly USA, LLC | 2 | $38.05 | |
| Abbott Laboratories | 2 | $32.05 | |
| Dexcom, INC. | 1 | $28.21 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $27.28 | |
| Tandem Diabetes Care, INC. | 1 | $23.24 | |
| Ascendis Pharma INC | 1 | $20.93 | |
| Novo Nordisk INC | 1 | $17.19 | |
| Sanofi-Aventis U.S. LLC | 1 | $15.04 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,785
Patients
722
Total drug cost
$1,551,990
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Synthroid (Levothyroxine Sodium) | Brand | 510 | 121 | $58,569 |
| Levothyroxine Sodium | Generic | 463 | 119 | $8,350 |
| Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 319 | 69 | $289,052 |
| Januvia (Sitagliptin Phosphate) | Brand | 211 | 45 | $280,222 |
| Metformin Hcl | Generic | 177 | 52 | $2,111 |
| Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 141 | 59 | $13,645 |
| Pioglitazone Hcl | Generic | 135 | 35 | $2,161 |
| Toujeo Max Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 126 | 33 | $255,240 |
| Tresiba Flextouch U-200 (Insulin Degludec) | Brand | 121 | 31 | $216,074 |
| Tradjenta (Linagliptin) | Brand | 110 | 24 | $127,228 |
Hospital affiliations
Frequently asked questions
What is Dr. Constantin Carseli's medical specialty?
Dr. Constantin Carseli practices Endocrinology, Diabetes & Metabolism Physician in Norwich, CT.
Where does Dr. Constantin Carseli practice?
Dr. Constantin Carseli practices at 119 Sachem St., Norwich, CT 063604128. Office phone: 8608593006.
What is Dr. Constantin Carseli's NPI?
Dr. Constantin Carseli's National Provider Identifier (NPI) is 1255428132, issued by NPPES.
Does Dr. Constantin Carseli accept Medicare assignment?
Yes. Dr. Constantin Carseli accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Constantin Carseli commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Ultrasound scan of head and neck soft tissue (HCPCS 76536). Source: CMS Medicare Physician & Other Practitioners file.