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

Mr. Sean Andrew Lewandowski, ACNP

Individual provider Acute Care Nurse Practitioner · NPI 1609948660

Mr. Sean Andrew Lewandowski, ACNP is a Nurse Practitioner in San Francisco, California. Qualified in 1998, 28 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
28
Licensed in
CA
In the registry since
2006
What do these letters mean?
ACNP — Acute Care Nurse Practitioner
A nurse practitioner who treats acutely ill patients, usually in hospital.

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Practice location Address checks out

2425 Geary Blvd
San Francisco, CA 94115-3358
Phone: (415) 833-4300
Fax: (415) 833-3200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 546427 (CA)

Record details

NPI number1609948660
Entity typeIndividual (Type 1)
GenderMale
Credentials ACNP
Sole proprietorNo
NPI enumeratedNovember 14, 2006
Last updated in NPPESJanuary 3, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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