Lena Catherine Sweeney, M.D.
Maternal & Fetal Medicine Physician · New Haven, CT
Lena Catherine Sweeney, M.D. is a maternal & fetal medicine physician with a practice address in New Haven, Connecticut, and NPI 1992232797, issued on May 11, 2017. Check the license (Connecticut 67507, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Lena Catherine Sweeney
- Credential
- M.D.
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License numbers
- 67507 CT
067507 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (203) 688-4242
- Enumerated
- May 11, 2017
- Record last updated
- Sep 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20210614003323); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 67 in Connecticut → Look up another NPI →
Also registered at 20 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cyrena Abbasi, MDStudent in an Organized Health Care Education/Training Program1609703289
- Ali Abboud, MD, MBAStudent in an Organized Health Care Education/Training Program1942943097
- Basil Abdalla, MDStudent in an Organized Health Care Education/Training Program1154905057
- Jasmina AbdallaStudent in an Organized Health Care Education/Training Program1700638590
- Sarah AbdallahPsychiatry Physician1740800952
- Usama Abdelghany, PHARM DOncology Pharmacist1548827843
Verify Lena Catherine Sweeney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 67507Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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).
Lena Catherine Sweeney among 67 maternal & fetal medicine physician records in Connecticut
Lena Catherine Sweeney, M.D. 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 2017, is newer than 90% of them.
- NPI issued2017 · 90% of these records are older, 4% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2017 · 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
- Mert Bahtiyar, MDNew Haven, CT 065101356324438
- Joshua Copel, MDNew Haven, CT 065101235112392
- Mariana Espinal, M.D.New Haven, CT 065101306373071
- Olga Grechukhina, M.D.New Haven, CT 065101548608961
- John Hardy, M.D.New Haven, CT 065101679632582
- Hillary Hosier, MDNew Haven, CT 065101407384522
- Roxanna Irani, M.D., PH.D.New Haven, CT 065101295021855
- Safinaz Ozcan, MDNew Haven, CT 065101780614834
Common questions
What is Lena Catherine Sweeney, M.D.'s NPI number?
Lena Catherine Sweeney, M.D.'s National Provider Identifier (NPI) is 1992232797, issued on May 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Lena Catherine Sweeney, M.D. located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (203) 688-4242. Providers update this record themselves, so call before visiting.
How can I verify Lena Catherine Sweeney, M.D.'s license?
NPPES lists Connecticut license number 67507, 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.
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.