Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

M M Deren, MD, PC

Organization Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1689931867

M M Deren, MD, PC is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in New London, Connecticut. Licensed in Connecticut. Registered with an NPI since 2012.

Licensed in
CT
In the registry since
2012
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

125 Shaw St
New London, CT 06320-4900
Phone: (860) 443-5469
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 15198 (CT)

Record details

NPI number1689931867
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Michael Deren — President · (860) 443-5469
NPI enumeratedApril 12, 2012
Last updated in NPPESApril 24, 2012
Mailing address125 Shaw St, New London, CT 06320-4900