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Nurse Practitioner

Ourania Walraven, NP

Works at hospitals in New York, NY · New York

Summary

Ourania Walraven, NP (Nurse Practitioner) is listed by Medicare at 1 hospital in New York, NY. NPI 1992825632. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ourania Walraven, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
FemaleGender (as listed)
Trustees of Columbia University in the City of New YorkGroup practice

Quick answers

Which hospitals does Ourania Walraven work at?
Medicare's official clinician data lists Ourania Walraven at 1 hospital: New York-Presbyterian Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ourania Walraven see patients?
Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
What is Ourania Walraven's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Ourania Walraven accept Medicare assignment?
Yes. Medicare's clinician data says Ourania Walraven 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 Ourania Walraven?
(212) 305-9876, as listed in official Medicare / NPI Registry data.
What is Ourania Walraven's NPI number?
1992825632. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ourania Walraven works

Medicare's Facility Affiliation Data lists Ourania Walraven at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Ourania Walraven is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ourania Walraven as a member of this group (CMS data updated 2026-10-02).

  • Trustees of Columbia University in the City of New York2,296 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in New York

Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.

All nurse practitioners in New York →

Clinician information

CredentialNP
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992825632
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians