Quick answers
- Which hospitals does Steven Guo work at?
- Medicare's official clinician data lists Steven Guo at 1 hospital: Northern Westchester Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven Guo see patients?
- Medicare's clinician data lists 3 practice locations, including Mount Kisco, NY. Call before your visit to confirm the address.
- What is Steven Guo's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Steven Guo accept Medicare assignment?
- Yes. Medicare's clinician data says Steven Guo 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 Steven Guo?
- (914) 241-1050, as listed in official Medicare / NPI Registry data.
- What is Steven Guo's NPI number?
- 1700319290. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven Guo works
Medicare's Facility Affiliation Data lists Steven Guo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · CCN 330162
Practice locations
Addresses where Steven Guo is enrolled with Medicare (CMS data updated 2026-10-02).
- 34 S Bedford RdMount Kisco, NY 10549 (914) 241‑1050
- 400 E Main StMount Kisco, NY 10549 (914) 666‑1371
- 90 S Bedford RdMount Kisco, NY 10549 (914) 241‑1050
Group practices
Medicare enrollment lists Steven Guo as a member of these groups (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
- Optum Medical Care PC1,010 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Mount Kisco
Clinicians with the same Medicare primary specialty in Mount Kisco, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700319290 |
| 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