Quick answers
- Which hospitals does Ivan E. Ramirez De Oleo work at?
- Medicare's official clinician data lists Ivan E. Ramirez De Oleo at 2 hospitals: Northern Westchester Hospital and Phelps Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ivan E. Ramirez De Oleo see patients?
- Medicare's clinician data lists 1 practice location in Croton On Hudson, NY. Call before your visit to confirm the address.
- What is Ivan E. Ramirez De Oleo's specialty?
- Medicare lists Rheumatology as the primary specialty.
- Does Ivan E. Ramirez De Oleo accept Medicare assignment?
- Yes. Medicare's clinician data says Ivan E. Ramirez De Oleo 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 Ivan E. Ramirez De Oleo offer telehealth?
- Medicare's clinician data says Ivan E. Ramirez De Oleo offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ivan E. Ramirez De Oleo?
- (914) 269-1701, as listed in official Medicare / NPI Registry data.
- What is Ivan E. Ramirez De Oleo's NPI number?
- 1013463397. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ivan E. Ramirez De Oleo works
Medicare's Facility Affiliation Data lists Ivan E. Ramirez De Oleo 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
- Phelps HospitalSleepy Hollow, NY · Acute Care Hospital · CCN 330261
Practice locations
Addresses where Ivan E. Ramirez De Oleo is enrolled with Medicare (CMS data updated 2026-10-02).
- 440 S Riverside AveCroton On Hudson, NY 10520 (914) 269‑1701
Group practices
Medicare enrollment lists Ivan E. Ramirez De Oleo as a member of this group (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1013463397 |
| 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