Physician Profile
Unclaimed ProfileAbout SHERWIN
Marc Sherwin practices anesthesiology in New Haven, CT. Marc is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Marc cared for 38 Medicare patients across 38 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (203) 785-2802
- Email not available
Practice Locations
20 YORK ST
New Haven, CT 06510
Procedures Most Often Billed to Medicare
38 services · 38 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
14 |
| Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance | Procedure | 64488 |
12 |
| Anesthesia for other procedure on upper abdomen | Anaesthesia | 00790 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other anesthesiology specialists in New Haven 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of artery tube for blood sampling or infusion through skin 8
Providers in CT who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Sherwin?
Dr. Sherwin is an anesthesiology in New Haven, CT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY”.
NPI registry
What is Dr. Sherwin's address?
Dr. Sherwin is listed at 20 YORK ST, New Haven, CT 06510. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Sherwin?
The number on file is (203) 785-2802. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Sherwin's NPI number?
Dr. Sherwin's National Provider Identifier is 1023435476. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Sherwin train?
Dr. Sherwin attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Sherwin been practicing?
Dr. Sherwin has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Sherwin perform?
According to Medicare billing data, Dr. Sherwin performs procedures including insertion of artery tube for blood sampling or infusion through skin and injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance; provides treatments such as anesthesia for other procedure on upper abdomen. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Sherwin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sherwin. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.