Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Sonja Gschossmann, RN

Individual provider Certified Registered Nurse Anesthetist · NPI 1689807950

Sonja Gschossmann, RN is a Certified Registered Nurse Anesthetist (CRNA) in New York, New York. Graduated from Columbia University College of Physicians and Surgeons in 2009, 17 years ago. Practices with Westchester Medical Center Advanced Physician Services PC, a 880-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
17
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
NY
In the registry since
2009
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

525 E 68th St Box 124
New York, NY 10065-4870
Phone: (212) 746-2949
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 574473-1 (NY)

Record details

NPI number1689807950
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedSeptember 2, 2009
Last updated in NPPESSeptember 2, 2009

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2009 (17 years in practice)
Group practice Westchester Medical Center Advanced Physician Services Pc — 880 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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