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

Mr. William Fremouw Swanson, DNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1477190460

Mr. William Fremouw Swanson, DNP is a Nurse Practitioner in New York, New York. Qualified in 2022, 4 years ago. Practices with Icahn School of Medicine at Mount Sinai, a 2,791-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
4
Licensed in
NY
In the registry since
2019
Specialties on file
2
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.

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Practice location Address checks out

1425 Madison Ave Fl 4 Rm 43
New York, NY 10029
Phone: (212) 659-1381
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 404203 (NY)
Psychiatric/Mental Health Registered Nurse Taxonomy 163WP0808X · Licence 778459 (NY)

Record details

NPI number1477190460
Entity typeIndividual (Type 1)
GenderMale
Credentials DNP
Sole proprietorYes
NPI enumeratedDecember 9, 2019
Last updated in NPPESNovember 1, 2024
Certification dateJuly 21, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Icahn School Of Medicine At Mount Sinai — 2791 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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