Colleen Marilyn Sinnott, MD
Maternal & Fetal Medicine Physician · New Haven, CT
Colleen Marilyn Sinnott, MD is a maternal & fetal medicine physician with a practice address in New Haven, Connecticut, and NPI 1295239580, issued on Mar 21, 2018. Check the license (Connecticut 70727, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Colleen Marilyn Sinnott
- Credential
- MD
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License number
- 70727 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1 Long Wharf Dr FL 2, New Haven, CT 06511
- Phone
- (601) 820-3688
- Enumerated
- Mar 21, 2018
- Record last updated
- Sep 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20220722001158); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2022
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 67 in Connecticut → Look up another NPI →
Also registered at 1 Long Wharf Dr FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Khadija AlshowaikhObstetrics & Gynecology Physician1558009357
- Jordan Clemente, MS CCC-SLPSpeech-Language Pathologist1861211716
- France Galerneau, MDMaternal & Fetal Medicine Physician1649254475
- Laura GaynorFamily Nurse Practitioner1700606209
- Katherine Kohari, M.D.Maternal & Fetal Medicine Physician1356509996
- Spencer LawStudent in an Organized Health Care Education/Training Program1104545789
Verify Colleen Marilyn Sinnott in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 70727Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colleen Marilyn Sinnott among 67 maternal & fetal medicine physician records in Connecticut
Colleen Marilyn Sinnott, MD is one of 67 maternal & fetal medicine physician records with a practice address in Connecticut. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 96% of them.
- NPI issued2018 · 96% of these records are older, 1% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2022 · median 2006 among the 49 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in Connecticut
There are 67 maternal & fetal medicine physician records in Connecticut.
All 67 in Connecticut → Every provider in New Haven → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- Sarah Cross, MDNew Haven, CT 065111417132226
- Anna Denoble, MD, MSCNew Haven, CT 065111053739441
- France Galerneau, MDNew Haven, CT 065111649254475
- Katherine Kohari, M.D.New Haven, CT 065111356509996
- Molly McAdow, M.D., PH.D.New Haven, CT 065111174935084
- Mert Bahtiyar, MDNew Haven, CT 065101356324438
- Joshua Copel, MDNew Haven, CT 065101235112392
- Mariana Espinal, M.D.New Haven, CT 065101306373071
Common questions
What is Colleen Marilyn Sinnott, MD's NPI number?
Colleen Marilyn Sinnott, MD's National Provider Identifier (NPI) is 1295239580, issued on Mar 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Colleen Marilyn Sinnott, MD located?
The NPPES record lists a practice address at 1 Long Wharf Dr FL 2, New Haven, CT, 06511. Phone: (601) 820-3688. Providers update this record themselves, so call before visiting.
How can I verify Colleen Marilyn Sinnott, MD's license?
NPPES lists Connecticut license number 70727, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Colleen Marilyn Sinnott, MD's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.