Doctor profile · Federal record
Dr. Stefan Somlo, MD
Nephrology Physician (CMS: Internal Medicine) · New Haven, CT
- NPI 1538144035
- Accepts Medicare
- MIPS 71.7 / 100 · 2023
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
333 Cedar St, Bb 114
New Haven, CT 065103206
(203) 785-4184
fax (203) 785-7068
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- July 18, 2013
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Connecticut #028167
- Medicaid
- CT #001281675
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538144035. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
45
Distinct HCPCS
2
Medicare allowed
$4,771
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 24 | 12 | $126 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 21 | 12 | $84 |
In context: peer comparison
Among 16 peers in New Haven Nephrology Physician, average services per provider: 74. This provider delivers 0.6× the peer median.Open Payments
Industry payments received
All-time total
$34,685
Transactions
7
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Vertex Pharmaceuticals Incorporated | 6 | $31,500.00 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $3,185.00 |
By nature of payment
Frequently asked questions
What is Dr. Stefan Somlo's medical specialty?
Dr. Stefan Somlo practices Nephrology Physician in New Haven, CT.
Where does Dr. Stefan Somlo practice?
Dr. Stefan Somlo practices at 333 Cedar St, New Haven, CT 065103206. Office phone: 2037854184.
What is Dr. Stefan Somlo's NPI?
Dr. Stefan Somlo's National Provider Identifier (NPI) is 1538144035, issued by NPPES.
Does Dr. Stefan Somlo accept Medicare assignment?
Yes. Dr. Stefan Somlo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stefan Somlo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.