Doctor profile · Federal record
Dr. Marc Sherwin
Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Student in an Organized Health Care Education/Training Program · New Haven, CT
- NPI 1023435476
- Accepts Medicare
- 12 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
20 York St
New Haven, CT 06510
(203) 785-2802 - Additional location
-
1 Gustave L Levy Pl, Anesthsiology Dept
New York, NY 100296500
(212) 241-6426
fax (212) 876-3906 - Mailing address
-
333 Cedar St, Tmp 3
New Haven, CT 06510
Credentials & registration
- NPI registered
- March 2014 — 12 yrs on file
- Profile last updated
- June 4, 2025
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State licenses (2)
- Connecticut #81728 · New York #291705
- Medicaid
- NY #05288344
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023435476. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
57
Distinct HCPCS
3
Medicare allowed
$13,166
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00790 |
Anesthesia for other procedure on upper abdomen | 24 | 24 | $466 | |
36620 |
Insertion of artery tube for blood sampling or infusion through skin | 20 | 20 | $50 | |
64488 |
Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance | 13 | 13 | $76 |
In context: peer comparison
Among 69 peers in this city , average services per provider: 37. This provider delivers 1.5× the peer median.Open Payments
Industry payments received
All-time total
$763
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, Inc. | 2 | $690.00 | |
| Solventum Corporation | 1 | $72.98 |
By nature of payment
Frequently asked questions
What is Dr. Marc Sherwin's medical specialty?
Dr. Marc Sherwin practices Anesthesiology Physician in New Haven, CT.
Where does Dr. Marc Sherwin practice?
Dr. Marc Sherwin practices at 20 York St, New Haven, CT 06510. Office phone: 2037852802.
What is Dr. Marc Sherwin's NPI?
Dr. Marc Sherwin's National Provider Identifier (NPI) is 1023435476, issued by NPPES.
Does Dr. Marc Sherwin accept Medicare assignment?
Yes. Dr. Marc Sherwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Sherwin commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on upper abdomen (HCPCS 00790); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance (HCPCS 64488). Source: CMS Medicare Physician & Other Practitioners file.