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Medical Oncology

Jill Lacy, MD

Works at hospitals in Bridgeport, CT · Greenwich, CT · New Haven, CT · Connecticut

Summary

Jill Lacy, MD (Medical Oncology) is listed by Medicare at 3 hospitals in Bridgeport, CT, Greenwich, CT and New Haven, CT. NPI 1053392951. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jill Lacy, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
48Years since medical school (graduated 1978)
Yale University School Of MedicineMedical school
FemaleGender (as listed)
Yale UniversityGroup practice

Quick answers

Which hospitals does Jill Lacy work at?
Medicare's official clinician data lists Jill Lacy at 3 hospitals: Bridgeport Hospital, Greenwich Hospital Association - and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jill Lacy see patients?
Medicare's clinician data lists 1 practice location in New Haven, CT. Call before your visit to confirm the address.
What is Jill Lacy's specialty?
Medicare lists Medical Oncology as the primary specialty.
Does Jill Lacy accept Medicare assignment?
Yes. Medicare's clinician data says Jill Lacy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Jill Lacy offer telehealth?
Medicare's clinician data says Jill Lacy offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Jill Lacy?
(203) 688-4242, as listed in official Medicare / NPI Registry data.
What is Jill Lacy's NPI number?
1053392951. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jill Lacy works

Medicare's Facility Affiliation Data lists Jill Lacy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jill Lacy is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jill Lacy as a member of this group (CMS data updated 2026-10-02).

  • Yale University2,645 clinicians in the group

Specialties

Find other Medical Oncology doctors in Connecticut →

Other oncologists in New Haven

Clinicians with the same Medicare primary specialty in New Haven, CT — not a recommendation.

All oncologists in New Haven →

Clinician information

CredentialMD
Medical schoolYale University School Of Medicine
Graduation year1978
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1053392951
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians