Colleen Sinnott, MD
NPI 1295239580 · Maternal & Fetal Medicine Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colleen Sinnott, MD is a Maternal & Fetal Medicine Physician provider in New Haven, CT (NPI 1295239580).
Provider details
- NPI number
- 1295239580
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 70727 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 75 Francis St # 1-3608aBoston, MA 02115-6110Phone: (617) 732-7801
Registry dates
- Enumerated
- 2018-03-21
- Last updated
- 2025-09-17
- Certified
- 2025-09-17
Frequently asked questions
- What is Colleen Sinnott's NPI number?
- Colleen Sinnott's National Provider Identifier (NPI) is 1295239580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Sinnott's specialty?
- Colleen Sinnott is listed in the NPPES registry with a primary specialty of Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Colleen Sinnott located?
- Colleen Sinnott's practice location on file with NPPES is 1 Long Wharf Dr Fl 2, New Haven, CT 06511-5991.
- What is Colleen Sinnott's phone number?
- The practice phone number listed in the NPPES registry for Colleen Sinnott is (601) 820-3688.
- Does Colleen Sinnott accept Medicare?
- Colleen Sinnott is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colleen Sinnott's NPI active?
- Yes — Colleen Sinnott's NPI (1295239580) is active in the NPPES registry as of the last update on 2025-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.