Quick answers
- Which hospitals does David J. Lomnitz work at?
- Medicare's official clinician data lists David J. Lomnitz at 4 hospitals: Danbury Hospital, Griffin Hospital, Norwalk Hospital and Stamford Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David J. Lomnitz see patients?
- Medicare's clinician data lists 1 practice location in Norwalk, CT. Call before your visit to confirm the address.
- What is David J. Lomnitz's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Nuclear Medicine.
- Does David J. Lomnitz accept Medicare assignment?
- Yes. Medicare's clinician data says David J. Lomnitz 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 David J. Lomnitz?
- (203) 852-2000, as listed in official Medicare / NPI Registry data.
- What is David J. Lomnitz's NPI number?
- 1396849964. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David J. Lomnitz works
Medicare's Facility Affiliation Data lists David J. Lomnitz 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
- Griffin HospitalDerby, CT · Acute Care Hospital · CCN 070031
- Norwalk HospitalNorwalk, CT · Acute Care Hospital · CCN 070034
- Stamford HospitalStamford, CT · Acute Care Hospital · CCN 070006
Practice locations
Addresses where David J. Lomnitz is enrolled with Medicare (CMS data updated 2026-10-02).
- 24 Stevens StNorwalk, CT 06850 (203) 852‑2000
Group practices
Medicare enrollment lists David J. Lomnitz as a member of this group (CMS data updated 2026-10-02).
- Nuvance Health Medical Practice Ct Inc747 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Connecticut →
Other cardiologists in Norwalk
Clinicians with the same Medicare primary specialty in Norwalk, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Perelman School Of Med At The University Of Pennsylvania |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396849964 |
| 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