Quick answers
- Which hospitals does Thomas Z. Lyo work at?
- Medicare's official clinician data lists Thomas Z. Lyo at 2 hospitals: Montefiore New Rochelle Hospital and St John's Riverside Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas Z. Lyo see patients?
- Medicare's clinician data lists 2 practice locations, including Yonkers, NY and New Rochelle, NY. Call before your visit to confirm the address.
- What is Thomas Z. Lyo's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Thomas Z. Lyo accept Medicare assignment?
- Medicare's clinician data says Thomas Z. Lyo may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Thomas Z. Lyo offer telehealth?
- Medicare's clinician data says Thomas Z. Lyo offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Thomas Z. Lyo?
- (914) 968-6801, as listed in official Medicare / NPI Registry data.
- What is Thomas Z. Lyo's NPI number?
- 1275595787. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas Z. Lyo works
Medicare's Facility Affiliation Data lists Thomas Z. Lyo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Montefiore New Rochelle HospitalNew Rochelle, NY · Acute Care Hospital · CCN 330184
- St John's Riverside HospitalYonkers, NY · Acute Care Hospital · CCN 330208
Practice locations
Addresses where Thomas Z. Lyo is enrolled with Medicare (CMS data updated 2026-10-02).
- 237 N Broadway, Suite 1fYonkers, NY 10701 (914) 968‑6801
- 421 Huguenot St, Suite 33New Rochelle, NY 10801 (914) 813‑8021
Group practices
Medicare enrollment lists Thomas Z. Lyo as a member of this group (CMS data updated 2026-10-02).
- Thomas Lyo Medical PC3 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Yonkers
Clinicians with the same Medicare primary specialty in Yonkers, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1275595787 |
| 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