Quick answers
- Which hospitals does Andrew Lazar work at?
- Medicare's official clinician data lists Andrew Lazar at 3 hospitals: Danbury Hospital, Norwalk Hospital and Stamford Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Andrew Lazar see patients?
- Medicare's clinician data lists 1 practice location in Darien, CT. Call before your visit to confirm the address.
- What is Andrew Lazar's specialty?
- Medicare lists Vascular Surgery as the primary specialty.
- Does Andrew Lazar accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew Lazar 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.
- What is the phone number for Andrew Lazar?
- (203) 548-7858, as listed in official Medicare / NPI Registry data.
- What is Andrew Lazar's NPI number?
- 1225490527. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Andrew Lazar works
Medicare's Facility Affiliation Data lists Andrew Lazar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Danbury HospitalDanbury, CT · Acute Care Hospital · CCN 070033
- Norwalk HospitalNorwalk, CT · Acute Care Hospital · CCN 070034
- Stamford HospitalStamford, CT · Acute Care Hospital · CCN 070006
Practice locations
Addresses where Andrew Lazar is enrolled with Medicare (CMS data updated 2026-10-02).
- 330 Boston Post Rd, Suite 240Darien, CT 06820 (203) 548‑7858
Group practices
Medicare enrollment lists Andrew Lazar as a member of this group (CMS data updated 2026-10-02).
- Vascular Ct PLLC5 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in Darien
Clinicians with the same Medicare primary specialty in Darien, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225490527 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians