Quick answers
- Which hospitals does John V. Dellosso work at?
- Medicare's official clinician data lists John V. Dellosso at 2 hospitals: Lenox Hill Hospital and NYU Langone Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John V. Dellosso see patients?
- Medicare's clinician data lists 2 practice locations, including New York, NY. Call before your visit to confirm the address.
- What is John V. Dellosso's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John V. Dellosso accept Medicare assignment?
- Yes. Medicare's clinician data says John V. Dellosso 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 John V. Dellosso offer telehealth?
- Medicare's clinician data says John V. Dellosso offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John V. Dellosso?
- (718) 845-2455, as listed in official Medicare / NPI Registry data.
- What is John V. Dellosso's NPI number?
- 1942299920. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John V. Dellosso works
Medicare's Facility Affiliation Data lists John V. Dellosso at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lenox Hill HospitalNew York, NY · Acute Care Hospital · CCN 330119
- NYU Langone HospitalsNew York, NY · Acute Care Hospital · CCN 330214
Practice locations
Addresses where John V. Dellosso is enrolled with Medicare (CMS data updated 2026-10-02).
- 214 W Houston StNew York, NY 10014 (718) 845‑2455
- 314 W 14th StNew York, NY 10014 (646) 638‑4000
Group practices
Medicare enrollment lists John V. Dellosso as a member of this group (CMS data updated 2026-10-02).
- Houston Medical Consulting PC8 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1942299920 |
| 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