Quick answers
- Which hospitals does A. Lawrence Attia work at?
- Medicare's official clinician data lists A. Lawrence Attia at 2 hospitals: Mount Sinai Hospital and Mount Sinai West. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does A. Lawrence Attia see patients?
- Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
- What is A. Lawrence Attia's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does A. Lawrence Attia accept Medicare assignment?
- Medicare's clinician data says A. Lawrence Attia may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for A. Lawrence Attia?
- (212) 307-7210, as listed in official Medicare / NPI Registry data.
- What is A. Lawrence Attia's NPI number?
- 1275575466. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where A. Lawrence Attia works
Medicare's Facility Affiliation Data lists A. Lawrence Attia at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Sinai HospitalNew York, NY · Acute Care Hospital · CCN 330024
- Mount Sinai WestNew York, NY · Acute Care Hospital · CCN 330046
Practice locations
Addresses where A. Lawrence Attia is enrolled with Medicare (CMS data updated 2026-10-02).
- 350 W 58th StNew York, NY 10019 (212) 307‑7210
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Columbia School Of Medicine |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1275575466 |
| 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