M.m.deren,md,pc
NPI 1689931867 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · New London, CT
M.m.deren,md,pc is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician organization in New London, CT (NPI 1689931867).
Provider details
- NPI number
- 1689931867
- Entity type
- Organization
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Deren, President(860) 443-5469
- License
- 15198 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-12
- Last updated
- 2012-04-24
Frequently asked questions
- What is M.m.deren,md,pc's NPI number?
- M.m.deren,md,pc's National Provider Identifier (NPI) is 1689931867, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is M.m.deren,md,pc?
- M.m.deren,md,pc is classified in the NPPES registry as Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is M.m.deren,md,pc located?
- M.m.deren,md,pc's practice location on file with NPPES is 125 Shaw St, New London, CT 06320-4900.
- What is M.m.deren,md,pc's phone number?
- The practice phone number listed in the NPPES registry for M.m.deren,md,pc is (860) 443-5469.
- Who is the authorized official for M.m.deren,md,pc?
- The authorized official listed on M.m.deren,md,pc's NPPES record is Michael Deren, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is M.m.deren,md,pc's NPI active?
- Yes — M.m.deren,md,pc's NPI (1689931867) is active in the NPPES registry as of the last update on 2012-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.